Mapbox partners Microsoft, Intel to provide self-driving car maps

(Reuters) - Mapping startup Mapbox Inc said on Wednesday it is teaming up with Microsoft Corp, Intel Corp and Softbank Group Corp's ARM Holdings chip unit to deepen its push into providing maps for self-driving cars.


from Reuters: Technology News https://ift.tt/2xrXmgz

Papua New Guinea Wants to Ban Facebook. It Shouldn't

The island nation is considering blocking Facebook for one month in order to collect information on fake profiles, pornography, and more. But the impact could be severe.

from Security Latest https://ift.tt/2H0YKGh

FBI issues alert over two new malware linked to Hidden Cobra hackers

The US-CERT has released a joint technical alert from the DHS and the FBI, warning about two newly identified malware being used by the prolific North Korean APT hacking group known as Hidden Cobra. Hidden Cobra, often known as Lazarus Group and Guardians of Peace, is believed to be backed by the North Korean government and known to launch attacks against media organizations, aerospace,


from The Hacker News https://ift.tt/2Jf4LEF

Learn Ethical Hacking Online: A to Z Training Course Pack

Good news for you is that this week's THN Deals brings Ethical Hacking A to Z Bundle that let you get started regardless of your experience level. The Ethical Hacking A to Z Bundle will walk you through the very basic skills you need to start your journey towards becoming a professional ethical hacker. The 45 hours of course that includes total 384 in-depth lectures, usually cost $1,273, but


from The Hacker News https://ift.tt/2L766uk

Belgium's Bpost eyes cross-border deliveries boost with DHL partnership

(Reuters) - Belgian postal operator Bpost said on Wednesday it was teaming up with DHL for e-commerce deliveries in the Benelux region, in a move to boost its position in cross-border deliveries of online purchases.


from Reuters: Technology News https://ift.tt/2L2vp0w

Panasonic plans to develop cobalt-free car batteries

TOKYO (Reuters) - Tesla Inc's battery cell supplier Panasonic Corp said on Wednesday it is aiming to develop automotive batteries without using cobalt in the near future amid soaring prices of the key battery ingredient.


from Reuters: Technology News https://ift.tt/2LGMi2h

Belgium's Bpost teams up with DHL for e-commerce deliveries

(Reuters) - Belgian postal operator Bpost said on Wednesday it was teaming up with DHL for e-commerce deliveries in Benelux, in a move to harness the benefits of growing volumes of online shopping.


from Reuters: Technology News https://ift.tt/2L7kLWr

At Beijing security fair, an arms race for surveillance tech

BEIJING (Reuters) - It can crack your smartphone password in seconds, rip personal data from call and messaging apps, and peruse your contact book.


from Reuters: Technology News https://ift.tt/2LGpYpq

Russia asks Apple to remove Telegram Messenger from the App Store

Russia's communications regulator Roskomnadzor has threatened Apple to face the consequences if the company does not remove secure messaging app Telegram from its App Store. Back in April, the Russian government banned Telegram in the country for the company's refusal to hand over private encryption keys to Russian state security services to access messages sent using the secure service.


from The Hacker News https://ift.tt/2xnstKg

Number of electric vehicles on roads reaches three million: IEA

LONDON (Reuters) - The number of electric vehicles on roads worldwide rose to a record high of 3.1 million in 2017, but more research, policies and incentives are needed to drive further uptake, the International Energy Agency (IEA) said.


from Reuters: Technology News https://ift.tt/2LKbB3h

Yahoo Hacker linked to Russian Intelligence Gets 5 Years in U.S. Prison

A 23-year-old Canadian man, who pleaded guilty last year for his role in helping Russian government spies hack into email accounts of Yahoo users and other services, has been sentenced to five years in prison. Karim Baratov (a.k.a Karim Taloverov, a.k.a Karim Akehmet Tokbergenov), a Kazakhstan-born Canadian citizen, was also ordered on Tuesday by United States Judge Vince Chhabria to pay a


from The Hacker News https://ift.tt/2L6hhDy

AR18-149A: MAR-10135536-3 - HIDDEN COBRA RAT/Worm

Original release date: May 29, 2018

Description

Notification

This report is provided "as is" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained within. The DHS does not endorse any commercial product or service, referenced in this bulletin or otherwise.

This document is marked TLP:WHITE. Disclosure is not limited. Sources may use TLP:WHITE when information carries minimal or no foreseeable risk of misuse, in accordance with applicable rules and procedures for public release. Subject to standard copyright rules, TLP:WHITE information may be distributed without restriction. For more information on the Traffic Light Protocol, see https://ift.tt/1qJcHPA.

Summary

Description

This submission includes four unique files. The first is an installer for additional malware: a Remote Access Trojan (RAT) and a malicious Dynamic Link Library (DLL) that functions as a Server Message Block (SMB) Worm. The fourth file is another SMB worm in the form of a Windows 32-bit executable.

Both SMB worms attempt to spread locally and to random IP addresses on the public Internet by attempting to brute force vulnerable systems using a built-in list of common passwords. The RAT included with the SMB worm provides the attacker with the ability to deliver additional malware, run local commands, and exfiltrate data.

For a downloadable copy of IOCs see:

Emails (2)

misswang8107@gmail.com

redhat@gmail.com

Submitted Files (4)

077d9e0e12357d27f7f0c336239e961a7049971446f7a3f10268d9439ef67885 (4731CBAEE7ACA37B596E38690160A7...)

a1c483b0ee740291b91b11e18dd05f0a460127acfc19d47b446d11cd0e26d717 (scardprv.dll)

ea46ed5aed900cd9f01156a1cd446cbb3e10191f9f980e9f710ea1c20440c781 (Wmmvsvc.dll)

fe7d35d19af5f5ae2939457a06868754b8bdd022e1ff5bdbe4e7c135c48f9a16 (298775B04A166FF4B8FBD3609E7169...)

Findings

077d9e0e12357d27f7f0c336239e961a7049971446f7a3f10268d9439ef67885

Tags

backdoortrojanworm

Details
Name 4731CBAEE7ACA37B596E38690160A749
Size 208896 bytes
Type PE32 executable (GUI) Intel 80386, for MS Windows
MD5 4731cbaee7aca37b596e38690160a749
SHA1 80fac6361184a3e24b33f6acb8688a6b7276b0f2
SHA256 077d9e0e12357d27f7f0c336239e961a7049971446f7a3f10268d9439ef67885
SHA512 9fdc1bf087d3e2fa80ff4ed749b11a2b3f863bed7a59850f6330fc1467c38eed052eee0337d2f82f9fe8e145f68199b966ae3c08f7ad1475b665beb8cd29f6d7
ssdeep 6144:M6atGpHk4NdSksOBbNUyb4ajb1TWiYW9ebYwtJEGLYMYR4:Msdk4NdSksOv
Entropy 7.731026
Antivirus
AVG BackDoor.Generic14.ARHX
Ahnlab Trojan/Win32.Npkon
Avira BDS/Joanap.A.11
BitDefender Gen:Variant.Barys.57573
ClamAV Win.Trojan.Agent-1388737
Cyren W32/Zegost.AA.gen!Eldorado
ESET Win32/Scadprv.A trojan
Emsisoft Gen:Variant.Barys.57573 (B)
F-secure Gen:Variant.Barys.57573
Ikarus Worm.Win32.Agent
K7 Backdoor ( 04c4b9d11 )
McAfee W32/FunCash!worm
Microsoft Security Essentials Backdoor:Win32/Joanap.J!dha
NANOAV Trojan.Win32.Agent.crilzb
Quick Heal Backdoor.Joanap
Sophos Mal/EncPk-AGS
Symantec Trojan.Gen.2
Systweak trojan.agent
TrendMicro BKDR_JOANAP.AC
TrendMicro House Call BKDR_JOANAP.AC
Vir.IT eXplorer Backdoor.Win32.Generic.ARHX
VirusBlokAda Worm.Agent
Zillya! Worm.Agent.Win32.3373
nProtect Worm/W32.Agent.208896.AK
Yara Rules
hidden_cobra_consolidated.yara rule Enfal_Generic { meta: author = "NCCIC trusted 3rd party" incident = "10135536" date = "2018-04-12" category = "hidden_cobra" family = "BRAMBUL,JOANAP" MD5_1 = "483B95B1498B615A1481345270BFF87D" MD5_2 = "4731CBAEE7ACA37B596E38690160A749" MD5_3 = "CD60FD107BAACCAFA6C24C1478C345C8" MD5_4 = "298775B04A166FF4B8FBD3609E716945" Info = "Detects Hidden Cobra SMB Worm / RAT" strings: $s0 = {6D737373636172647072762E6178} $s1 = {6E3472626872697138393076393D3032333D30312A2628542D30513332354A314E3B4C4B} $s2 = {72656468617440676D61696C2E636F6D} $s3 = {6D69737377616E673831303740676D61696C2E636F6D} $s4 = {534232755365435632564474} $s5 = {794159334D6559704275415756426341} $s6 = {705641325941774242347A41346167664B6232614F7A4259} $s7 = {AE8591916D586DE4F6FB8EE2F0BBF1F9} $s8 = {F96D5DD36D6D9A87DD6D506D6D6D516D} $s9 = {43616E6E6F74206372656174652072656D6F74652066696C652E} $s10 = {43616E6E6F74206F70656E2072656D6F74652066696C65} $s11 = {663D547D75128D85FCFEFFFF5056} $s12 = {663D547D75128D85FCFEFFFF5056E88C060000E9A9000000663D557D7512} $s13 = {663D567D750F8D85FCFEFFFF5056E891070000EB7C663D577D} $s14 = {3141327A3342347935433678374438773945307624465F754774487349724A71} $s15 = {393032356A6864686F333965686532} condition: ($s0) or ($s1) or ($s2) or ($s3) or ($s4 and $s5 and $s6) or ($s7 and $s8) or ($s9 and $s10 and $s11) or ($s12 and $s13) or ($s14 and $s15) }
ssdeep Matches

No matches found.

PE Metadata
Compile Date 2011-09-14 01:53:24-04:00
Import Hash e8cd12071a8e823ebc434c8ee3e23203
PE Sections
MD5 Name Raw Size Entropy
bf69e0e64bdafa28b31e3c2134e1d696 header 4096 0.658046
27f1df91dc992ababc89460f771a6026 .text 24576 6.227301
249e10a4ad0a58c3db84eb2f69db5db5 .rdata 4096 4.367702
88b5582d4d361c92e9234abf0942ed9e .data 4096 2.546586
a18b7869b3bfd4a2ef0d03c96fa09221 .rsrc 172032 7.969250
Packers/Compilers/Cryptors
Installer VISE Custom
Process List
Process PID PPID
077d9e0e12357d27f7f0c336239e961a7049971446f7a3f10268d9439ef67885.exe 2628 (2588)
Relationships
077d9e0e12... Dropped a1c483b0ee740291b91b11e18dd05f0a460127acfc19d47b446d11cd0e26d717
077d9e0e12... Dropped ea46ed5aed900cd9f01156a1cd446cbb3e10191f9f980e9f710ea1c20440c781
Description

This 32-bit Windows executable file drops two malicious applications.

The first (a1c483b0ee740291b91b11e18dd05f0a460127acfc19d47b446d11cd0e26d717) is a fully functioning RAT.

The second application (ea46ed5aed900cd9f01156a1cd446cbb3e10191f9f980e9f710ea1c20440c781) is a SMB worm that will spread to local subnets and external networks.

a1c483b0ee740291b91b11e18dd05f0a460127acfc19d47b446d11cd0e26d717

Tags

backdoorbottrojanworm

Details
Name scardprv.dll
Size 77824 bytes
Type PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
MD5 4613f51087f01715bf9132c704aea2c2
SHA1 6b1ddf0e63e04146d68cd33b0e18e668b29035c4
SHA256 a1c483b0ee740291b91b11e18dd05f0a460127acfc19d47b446d11cd0e26d717
SHA512 37fa5336d1554557250e4a3bcb4ccfca79f4873264cb161dee340d35a2f8f17f7853fe942809bb343ac1eae0a37122b5e8fd703a9b820ec96abb65c8327c1b6a
ssdeep 768:qtT2AxNtcgpqLepcy2y6/chYdP8KuSFM+Cs5CBaho9S4AJKqBz8MZdVsrQVBnVGa:qwONtBqL1dDMrs5CN9S4A3HOYBnVL
Entropy 6.138177
Antivirus
AVG Agent3.BAPF
Ahnlab Trojan/Win32.Dllbot
Avira TR/Gendal.6762100
BitDefender Gen:Variant.Graftor.Elzob.3935
ClamAV Win.Trojan.Agent-1388765
ESET a variant of Win32/Scadprv.A trojan
Emsisoft Gen:Variant.Graftor.Elzob.3935 (B)
F-secure Gen:Variant.Graftor.Elzob.3935
Ikarus Worm.Win32.Agent
K7 Trojan ( 0001659c1 )
McAfee W32/FunCash!worm
Microsoft Security Essentials Backdoor:Win32/Joanap.B!dha
NANOAV Trojan.Win32.Agent.cwccco
Quick Heal Backdoor.Duzzer.A5
Sophos Mal/Generic-L
Symantec Backdoor.Joanap
Systweak malware.gen-20120501
TrendMicro BKDR_JOANAP.AC
TrendMicro House Call BKDR_JOANAP.AC
Vir.IT eXplorer Trojan.Win32.Agent3.BAPF
VirusBlokAda Worm.Agent
Zillya! Worm.Agent.Win32.5702
nProtect Worm/W32.Agent.77824.CJ
Yara Rules
hidden_cobra_consolidated.yara rule Enfal_Generic { meta: author = "NCCIC trusted 3rd party" incident = "10135536" date = "2018-04-12" category = "hidden_cobra" family = "BRAMBUL,JOANAP" MD5_1 = "483B95B1498B615A1481345270BFF87D" MD5_2 = "4731CBAEE7ACA37B596E38690160A749" MD5_3 = "CD60FD107BAACCAFA6C24C1478C345C8" MD5_4 = "298775B04A166FF4B8FBD3609E716945" Info = "Detects Hidden Cobra SMB Worm / RAT" strings: $s0 = {6D737373636172647072762E6178} $s1 = {6E3472626872697138393076393D3032333D30312A2628542D30513332354A314E3B4C4B} $s2 = {72656468617440676D61696C2E636F6D} $s3 = {6D69737377616E673831303740676D61696C2E636F6D} $s4 = {534232755365435632564474} $s5 = {794159334D6559704275415756426341} $s6 = {705641325941774242347A41346167664B6232614F7A4259} $s7 = {AE8591916D586DE4F6FB8EE2F0BBF1F9} $s8 = {F96D5DD36D6D9A87DD6D506D6D6D516D} $s9 = {43616E6E6F74206372656174652072656D6F74652066696C652E} $s10 = {43616E6E6F74206F70656E2072656D6F74652066696C65} $s11 = {663D547D75128D85FCFEFFFF5056} $s12 = {663D547D75128D85FCFEFFFF5056E88C060000E9A9000000663D557D7512} $s13 = {663D567D750F8D85FCFEFFFF5056E891070000EB7C663D577D} $s14 = {3141327A3342347935433678374438773945307624465F754774487349724A71} $s15 = {393032356A6864686F333965686532} condition: ($s0) or ($s1) or ($s2) or ($s3) or ($s4 and $s5 and $s6) or ($s7 and $s8) or ($s9 and $s10 and $s11) or ($s12 and $s13) or ($s14 and $s15) }
ssdeep Matches

No matches found.

PE Metadata
Compile Date 2011-09-14 01:38:38-04:00
Import Hash f6f7b2e00921129d18061822197111cd
PE Sections
MD5 Name Raw Size Entropy
c745765d5ae0458d76c721b8a82eca52 header 4096 0.763991
f16ff24a6d95e0e0711eccae4283bbe5 .text 40960 6.506011
b89bb8a288d739a27d7021183336413c .rdata 20480 6.655349
fcd7ede94211c9d653bd8cc776feb8be .data 4096 4.326483
56dc69f697f36158eefefdde895f39b6 .rsrc 4096 0.613739
20601cf5d6aecb9837dcc1747847c5a2 .reloc 4096 4.068756
Packers/Compilers/Cryptors
Microsoft Visual C++ 6.0 DLL
Relationships
a1c483b0ee... Dropped_By 077d9e0e12357d27f7f0c336239e961a7049971446f7a3f10268d9439ef67885
Description

This 32-bit Windows DLL is written to disk and then loaded by the file "4731CBAEE7ACA37B596E38690160A749".

This malware has been identified as a RAT, providing a remote actor with the ability to exfiltrate data, drop and run secondary payloads, and provide proxy capabilities on a compromised Windows device. The malware binds to port 443 and listens for incoming connections from a remote operator, using the Rivest Cipher 4 (RC4) encryption algorithm to protect communications with its Command and Control (C2).

The malware also creates a log entry in a file named “mssscardprv.ax”, located in the %WINDIR%\system32 folder. The log entry includes the victim's Internet Protocol (IP) address, host name, and current system time.

ea46ed5aed900cd9f01156a1cd446cbb3e10191f9f980e9f710ea1c20440c781

Tags

backdoorbottrojanworm

Details
Name Wmmvsvc.dll
Size 91664 bytes
Type PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
MD5 e86c2f4fc88918246bf697b6a404c3ea
SHA1 9b7609349a4b9128b9db8f11ac1c77728258862c
SHA256 ea46ed5aed900cd9f01156a1cd446cbb3e10191f9f980e9f710ea1c20440c781
SHA512 f6097c66a526ba7a3c918b1c7fccae03c812046d642a4adb62ee7a24cbcee889c0348020ae7e2e82ee3f284b311f049ed596edb22b90153cadc11c646d4f9a45
ssdeep 768:9eY/pEwKWcwP/bY4XxlGLup3Tq1LpDLJkDcw3f9zj:MitnU4viJJDw3Z
Entropy 3.156854
Antivirus
AVG PSW.Generic9.ACQQ
Ahnlab Trojan/Win32.Dllbot
Avira BDS/Joanap.A.8
BitDefender Gen:Variant.Symmi.49274
ClamAV Win.Trojan.Agent-1388727
Cyren W32/Trojan.WXKV-0327
ESET a variant of Win32/Agent.NJF worm
Emsisoft Gen:Variant.Symmi.49274 (B)
F-secure Gen:Variant.Symmi.49274
Ikarus Worm.Win32.Agent
K7 Trojan ( 00515bda1 )
McAfee Generic PWS.tr
Microsoft Security Essentials Backdoor:Win32/Joanap.A!dha
NANOAV Trojan.Win32.Agent.cqilax
NetGate Trojan.Win32.Malware
Quick Heal Backdoor.Joanap
Sophos Mal/Generic-L
Symantec W32.Brambul
Vir.IT eXplorer Trojan.Win32.Generic.ACQQ
VirusBlokAda Worm.Agent
Zillya! Worm.Agent.Win32.3549
nProtect Worm/W32.Agent.91664
Yara Rules
hidden_cobra_consolidated.yara rule Enfal_Generic { meta: author = "NCCIC trusted 3rd party" incident = "10135536" date = "2018-04-12" category = "hidden_cobra" family = "BRAMBUL,JOANAP" MD5_1 = "483B95B1498B615A1481345270BFF87D" MD5_2 = "4731CBAEE7ACA37B596E38690160A749" MD5_3 = "CD60FD107BAACCAFA6C24C1478C345C8" MD5_4 = "298775B04A166FF4B8FBD3609E716945" Info = "Detects Hidden Cobra SMB Worm / RAT" strings: $s0 = {6D737373636172647072762E6178} $s1 = {6E3472626872697138393076393D3032333D30312A2628542D30513332354A314E3B4C4B} $s2 = {72656468617440676D61696C2E636F6D} $s3 = {6D69737377616E673831303740676D61696C2E636F6D} $s4 = {534232755365435632564474} $s5 = {794159334D6559704275415756426341} $s6 = {705641325941774242347A41346167664B6232614F7A4259} $s7 = {AE8591916D586DE4F6FB8EE2F0BBF1F9} $s8 = {F96D5DD36D6D9A87DD6D506D6D6D516D} $s9 = {43616E6E6F74206372656174652072656D6F74652066696C652E} $s10 = {43616E6E6F74206F70656E2072656D6F74652066696C65} $s11 = {663D547D75128D85FCFEFFFF5056} $s12 = {663D547D75128D85FCFEFFFF5056E88C060000E9A9000000663D557D7512} $s13 = {663D567D750F8D85FCFEFFFF5056E891070000EB7C663D577D} $s14 = {3141327A3342347935433678374438773945307624465F754774487349724A71} $s15 = {393032356A6864686F333965686532} condition: ($s0) or ($s1) or ($s2) or ($s3) or ($s4 and $s5 and $s6) or ($s7 and $s8) or ($s9 and $s10 and $s11) or ($s12 and $s13) or ($s14 and $s15) }
ssdeep Matches

No matches found.

PE Metadata
Compile Date 2011-09-14 11:42:30-04:00
Import Hash f0087d7b90876a2769f2229c6789fcf3
Company Name Microsoft Corporation
File Description Microsoft XML Encoder/Transcoder
Internal Name xpsshrm.dll
Legal Copyright © Microsoft Corporation. All rights reserved.
Original Filename xpsshrm.dll
Product Name Microsoft® Windows Media Services
Product Version 9.00.00.4503
PE Sections
MD5 Name Raw Size Entropy
037e97300efd533dd48d334d30bdc408 header 4096 0.759334
4b5019185bb0b82273442dae3f15f105 .text 24576 6.083997
9e5a1cfda72f8944cd5e35e33a2a73b0 .rdata 4096 3.267725
47982ac1b20cac03adcfd62f5881b79c .data 49152 1.087883
b971ab49349a660c70cb6987b7fb3ed3 .rsrc 4096 1.140488
ad5750c9584c0eba32643810ab6e8a53 .reloc 4096 2.515288
Packers/Compilers/Cryptors
Microsoft Visual C++ 6.0 DLL
Relationships
ea46ed5aed... Dropped_By 077d9e0e12357d27f7f0c336239e961a7049971446f7a3f10268d9439ef67885
ea46ed5aed... Connected_To redhat@gmail.com
ea46ed5aed... Connected_To misswang8107@gmail.com
Description

This file is a malicious 32-bit Windows DLL that is written to disk then loaded by the file "4731CBAEE7ACA37B596E38690160A749".

When executed, the DLL attempts to contact all of the Internet Protocol (IP) addresses on the victim's local subnet. If the malware is able to connect to these IP addresses, it will attempt to gain unauthorized access via the SMB protocol on port 445 using a brute-force password attack. The malware contains an embedded password list consisting of commonly used passwords and generates random external IP addresses, which it attempts to attack.

If the malware successfully gains access to another system, it will send an email containing the system's IP address, hostname, username, and password to the following addresses:

--Begin email addresses--
redhat@gmail.com
misswang8107@gmail.com
--End email addresses--

The malware uses the victim's system folder to create a shared folder named "adnim$" by running the following commands via a remotely run service:

--Begin commands utilized to create SMB share--
cmd.exe /q /c net share adnim$=%SystemRoot%
cmd.exe /q /c net share adnim$=%%SystemRoot%% /GRANT:%s,FULL
--End commands utilized to create SMB share--

The malware will then copy itself to newly created shared folder as a file named "mssscardprv.ax". After copying the malware to the new system it then runs the file on the victim system using a malicious service. The adnim$ share will then be deleted from the remote system using the following command:

--Begin command used to delete share--
'cmd.exe /q /c net share adnim$ /delete'
--End command used to delete share--

The malware determines if Remote Desktop Protocol (RDP) is enabled by attempting to connect to port 3389. If it is able to connect to this port, the malware will report RDP is available on the compromised system. This information is provided to the operator using the malicious email address provided earlier.

This malware can communicate with the RAT identified as "scardprv.dll" (4613f51087f01715bf9132c704aea2c2). The communication is protected with the Rivest Cipher 4 (RC4) encryption protocol. When attempting to propagate, the malware uses the following three usernames combined with a password brute-force attack:

--Begin malicious usernames used by SMB worm--
Administrateur
Administrador
Administrator
--End malicious usernames used by SMB worm--

Although the malware uses numerous embedded passwords in its brute force attacks, within our environment the malware consistently used the following "Lan Manager Response" in its SMB attacks:

--Begin static Lan Manager response--
8C15084FA541079A000000000000000000
--End static Lan Manager response--

This hexadecimal value may be useful in detecting this worm as it communicates over port 445 and attempts to spread. Specifically, when the malware attempts to run a remote service to create the "adnim$" share, the following network traffic is generated:

--Begin network signature--
ASCII: cmd.exe /q /c net share adnim$=%SystemRoot% /GRANT:Administrator,FULL
HEX: 636D642E657865202F71202F63206E65742073686172652061646E696D243D2553797374656D526F6F7425202F4752414E543A41646D696E6973747261746F722C46554C4C
--End network signature--

fe7d35d19af5f5ae2939457a06868754b8bdd022e1ff5bdbe4e7c135c48f9a16

Tags

backdoortrojanworm

Details
Name 298775B04A166FF4B8FBD3609E716945
Size 86016 bytes
Type PE32 executable (GUI) Intel 80386, for MS Windows
MD5 298775b04a166ff4b8fbd3609e716945
SHA1 2e0f666831f64d7383a11b444e2c16b38231f481
SHA256 fe7d35d19af5f5ae2939457a06868754b8bdd022e1ff5bdbe4e7c135c48f9a16
SHA512 adc9bb5a2116134ddf57d1b1765d5981c55828aa8c6719964b0e2eeb6c9068a2acaa98c2e03227a406a4fbfa2f007f5eb9f57a61e3749b8eb0d73b1881328fbf
ssdeep 768:i+cDn8nAQ5Toz4c0+u5jrdXs+W+aCNkiC8xeC3cs:i+M8ndTozOn5jxF/US0s
Entropy 2.873816
Antivirus
ClamAV Win.Trojan.Agent-1388727
ESET a variant of Win32/Agent.NVC worm
McAfee GenericRXCB-TI!298775B04A16
Microsoft Security Essentials Backdoor:Win32/Joanap.A!dha
Symantec Heur.AdvML.B
Yara Rules
hidden_cobra_consolidated.yara rule Enfal_Generic { meta: author = "NCCIC trusted 3rd party" incident = "10135536" date = "2018-04-12" category = "hidden_cobra" family = "BRAMBUL,JOANAP" MD5_1 = "483B95B1498B615A1481345270BFF87D" MD5_2 = "4731CBAEE7ACA37B596E38690160A749" MD5_3 = "CD60FD107BAACCAFA6C24C1478C345C8" MD5_4 = "298775B04A166FF4B8FBD3609E716945" Info = "Detects Hidden Cobra SMB Worm / RAT" strings: $s0 = {6D737373636172647072762E6178} $s1 = {6E3472626872697138393076393D3032333D30312A2628542D30513332354A314E3B4C4B} $s2 = {72656468617440676D61696C2E636F6D} $s3 = {6D69737377616E673831303740676D61696C2E636F6D} $s4 = {534232755365435632564474} $s5 = {794159334D6559704275415756426341} $s6 = {705641325941774242347A41346167664B6232614F7A4259} $s7 = {AE8591916D586DE4F6FB8EE2F0BBF1F9} $s8 = {F96D5DD36D6D9A87DD6D506D6D6D516D} $s9 = {43616E6E6F74206372656174652072656D6F74652066696C652E} $s10 = {43616E6E6F74206F70656E2072656D6F74652066696C65} $s11 = {663D547D75128D85FCFEFFFF5056} $s12 = {663D547D75128D85FCFEFFFF5056E88C060000E9A9000000663D557D7512} $s13 = {663D567D750F8D85FCFEFFFF5056E891070000EB7C663D577D} $s14 = {3141327A3342347935433678374438773945307624465F754774487349724A71} $s15 = {393032356A6864686F333965686532} condition: ($s0) or ($s1) or ($s2) or ($s3) or ($s4 and $s5 and $s6) or ($s7 and $s8) or ($s9 and $s10 and $s11) or ($s12 and $s13) or ($s14 and $s15) }
ssdeep Matches

No matches found.

PE Metadata
Compile Date 2018-01-05 01:22:45-05:00
Import Hash 9f298eba36baa47b98a60cf36fdb2301
PE Sections
MD5 Name Raw Size Entropy
8a5b06109c3bd4323fa3318f9874d529 header 4096 0.703885
413f30d4d86037b75958b45b9efbe1de .text 20480 6.302858
82b41fefc9aa74a2430f1421fd5fe5b3 .rdata 4096 3.748024
b6f17870ca5f45d4c75e18024e6e1180 .data 53248 1.067897
cda5ef1038742e5ef46b9cfa269b0434 .rsrc 4096 0.608792
Packers/Compilers/Cryptors
Microsoft Visual C++ v6.0
Process List
Process PID PPID
fe7d35d19af5f5ae2939457a06868754b8bdd022e1ff5bdbe4e7c135c48f9a16.exe 2436 (2408)
Description

This file is a malicious 32-bit Windows executable file designed to scan the local network and the Internet for machines that are accessible and have open SMB ports. Once the malware gains access to a remote machine, it will deliver a malicious payload. This file accepts the following command-line arguments for execution:

--Begin arguments--
-i ==> Create service
-u ==> Control and delete service
-s ==> Start service
-r ==> Run not as a service
-k ==> ControlService
--End arguments--


When executed with the "-i" argument, the malware installs and executes itself as the following service:

--Begin service information--
ServiceName = "RdpCertification"
DisplayName = "Remote Desktop Certification Services"
DesiredAccess = SERVICE_ALL_ACCESS
ServiceType = SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS
StartType = SERVICE_AUTO_START
BinaryPathName = "%current directory%\298775B04A166FF4B8FBD3609E716945.exe"
--End service information--


The malware creates a mutual exclusion (Mutex) object named "PlatFormSDK20150201", then generates a list of IP addresses using a domain generation algorithm (DGA). The DGA uses the system time in the algorithm to create the list of IP addresses.

It generates network traffic over Transmission Control Protocol (TCP) ports 80 and 445 via the victims' IP addresses and the generated IP addresses.

Sample HTTP request:

--Begin HTTP request--
OPTIONS / HTTP/1.1
translate: f
User-Agent: Microsoft-WebDAV-MiniRedir/5.1.2600
Host: 159.154.100.0
Content-Length: 0
Connection: Keep-Alive
--End HTTP request--

Once successfully connected to other Windows hosts or the generated IP addresses using port 445, the malware attempts to use a hard-coded list of passwords for SMB connections. If the password is correctly guessed, a file share is established. The malware uses the following methods to access shares on the remote systems:

To gain access to remote systems it uses ($IPC) share via “\\remote system IP\$IPC”
It checks for existing shares by using “\\hostname\adnim$\system32”

It will create a new share named "adnim$" using the following command:

--Begin new share command--
“cmd.exe /q /c net share adnim$=%SystemRoot%”
“cmd.exe /q /c net share adnim$=%%SystemRoot%% /GRANT:%s,FULL”
--End new share command—


Once a file share is successfully established, the malware uploads a copy of a payload "C:\WINDOWS\TEMP\TMP1.tmp" and installs it as a service. The malware payload that is uploaded and then run on the newly infected host was not available at the time of analysis.

The remote network share is removed after infection using the following command:

--Begin command--
“cmd.exe /q /c net share adnim$ /delete”
--End command--

Once the payload has been uploaded and executed, the malware uses Simple Mail Transfer Protocol (SMTP) to send collected data. The data provides infection status to a remote operator.

Displayed below are the domain names of the service providers used to send data:

--Begin SMTP domain information--
"www.hotmail.com"
--End SMTP domain information--

Displayed is the structure of the email sent:

--Begin email structure format--
SUBJECT: %s%s%s
TO: Joana <%s>%s
FROM: <%s>%s
DATA%s
RCPT TO: <%s>%s
MAIL FROM: <%s>%s
AUTH LOGIN%s
HELO %s%s
--End email structure format--


Displayed is a list of brute force passwords used to establish connections:

--Begin brute force password--
!@#$
!@#$%
!@#$%^
!@#$%^&
!@#$%^&*
!@#$%^&*()
"KGS!@#$%"
0000
00000
000000
00000000
1111
11111
111111
11111111
11122212
1212
121212
123123
123321
1234
12345
123456
1234567
12345678
123456789
123456^%$#@!
1234qwer
123abc
123asd
123qwe
1313
1q2w3e
1q2w3e4r
1qaz2wsx
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
4321
54321
654321
6969
666666
7777
8888
88888
888888
8888888
88888888
Admin
abc123
abc@123
abcd
admin
admin123
admin!23
admin!@#
administrator
administrador
asdf
asdfg
asdfgh
asdf123
asdf!23
baseball
backup
blank
cisco
compaq
control
computer
cookie123
database
dbpassword
db1234
default
dell
enable
fish
foobar
gateway
guest
golf
harley
home
iloveyou
internet
letmein
Login
login
love
manager
oracle
owner
pass
passwd
password
p@ssword
password1
password!
passw0rd
Password1
pa55w0rd
pw123
q1w2e3
q1w2e3r4
q1w2e3r4t5
q1w2e3r4t5y6
qazwsx
qazwsxedc
qwer
qwert
qwerty
!QAZxsw2
root
secret
server
sqlexec
shadow
super
sybase
temp
temp123
test
test!
test1
test123
test!23
winxp
win2000
win2003
Welcome1
Welcome123
xxxx
yxcv
zxcv
Administrator
Admin
--End brute force password--

redhat@gmail.com

Details
Address redhat@gmail.com
Relationships
redhat@gmail.com Connected_From ea46ed5aed900cd9f01156a1cd446cbb3e10191f9f980e9f710ea1c20440c781

misswang8107@gmail.com

Details
Address misswang8107@gmail.com
Relationships
misswang8107@gmail.com Connected_From ea46ed5aed900cd9f01156a1cd446cbb3e10191f9f980e9f710ea1c20440c781

Relationship Summary

077d9e0e12... Dropped a1c483b0ee740291b91b11e18dd05f0a460127acfc19d47b446d11cd0e26d717
077d9e0e12... Dropped ea46ed5aed900cd9f01156a1cd446cbb3e10191f9f980e9f710ea1c20440c781
a1c483b0ee... Dropped_By 077d9e0e12357d27f7f0c336239e961a7049971446f7a3f10268d9439ef67885
ea46ed5aed... Dropped_By 077d9e0e12357d27f7f0c336239e961a7049971446f7a3f10268d9439ef67885
ea46ed5aed... Connected_To redhat@gmail.com
ea46ed5aed... Connected_To misswang8107@gmail.com
redhat@gmail.com Connected_From ea46ed5aed900cd9f01156a1cd446cbb3e10191f9f980e9f710ea1c20440c781
misswang8107@gmail.com Connected_From ea46ed5aed900cd9f01156a1cd446cbb3e10191f9f980e9f710ea1c20440c781

Recommendations

NCCIC would like to remind users and administrators to consider using the following best practices to strengthen the security posture of their organization's systems. Any configuration changes should be reviewed by system owners and administrators prior to implementation to avoid unwanted impacts.

  • Maintain up-to-date antivirus signatures and engines.
  • Keep operating system patches up-to-date.
  • Disable File and Printer sharing services. If these services are required, use strong passwords or Active Directory authentication.
  • Restrict users' ability (permissions) to install and run unwanted software applications. Do not add users to the local administrators group unless required.
  • Enforce a strong password policy and implement regular password changes.
  • Exercise caution when opening e-mail attachments even if the attachment is expected and the sender appears to be known.
  • Enable a personal firewall on agency workstations, configured to deny unsolicited connection requests.
  • Disable unnecessary services on agency workstations and servers.
  • Scan for and remove suspicious e-mail attachments; ensure the scanned attachment is its "true file type" (i.e., the extension matches the file header).
  • Monitor users' web browsing habits; restrict access to sites with unfavorable content.
  • Exercise caution when using removable media (e.g., USB thumbdrives, external drives, CDs, etc.).
  • Scan all software downloaded from the Internet prior to executing.
  • Maintain situational awareness of the latest threats and implement appropriate ACLs.

Additional information on malware incident prevention and handling can be found in NIST's Special Publication 800-83, Guide to Malware Incident Prevention & Handling for Desktops and Laptops.

Contact Information

NCCIC continuously strives to improve its products and services. You can help by answering a very short series of questions about this product at the following URL: https://us-cert.gov/forms/feedback/

Document FAQ

What is a MAR? A Malware Analysis Report (MAR) is intended to provide organizations with more detailed malware analysis acquired via manual reverse engineering. To request additional analysis, please contact US-CERT and provide information regarding the level of desired analysis.

Can I edit this document? This document is not to be edited in any way by recipients. All comments or questions related to this document should be directed to the NCCIC at 1-888-282-0870 or soc@us-cert.gov.

Can I submit malware to NCCIC? Malware samples can be submitted via three methods:

NCCIC encourages you to report any suspicious activity, including cybersecurity incidents, possible malicious code, software vulnerabilities, and phishing-related scams. Reporting forms can be found on the NCCIC/US-CERT homepage at www.us-cert.gov.

Revisions

  • May 29, 2018: Initial version

This product is provided subject to this Notification and this Privacy & Use policy.




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North Korean Malicious Cyber Activity

Original release date: May 29, 2018

The Department of Homeland Security (DHS) and the Federal Bureau of Investigation (FBI) released a joint Technical Alert (TA) that identifies two families of malware—referred to as Joanap and Brambul—used by the North Korean government. The U.S. Government refers to malicious cyber activity by the North Korean government as HIDDEN COBRA.

In conjunction with the release of this TA, NCCIC has released a Malware Analysis Report (MAR) that provides analysis on samples of Joanap and Brambul malware.

NCCIC encourages users and administrators to review TA18-149A: HIDDEN COBRA – Joanap Backdoor Trojan and Brambul Server Message Block Worm and MAR-10135536-3 – RAT/Worm. For more information, visit https://www.us-cert.gov/HiddenCobra.


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TA18-149A: HIDDEN COBRA – Joanap Backdoor Trojan and Brambul Server Message Block Worm

Original release date: May 29, 2018

Systems Affected

Network systems

Overview

This joint Technical Alert (TA) is the result of analytic efforts between the Department of Homeland Security (DHS) and the Federal Bureau of Investigation (FBI). Working with U.S. government partners, DHS and FBI identified Internet Protocol (IP) addresses and other indicators of compromise (IOCs) associated with two families of malware used by the North Korean government:

  • a remote access tool (RAT), commonly known as Joanap; and
  • a Server Message Block (SMB) worm, commonly known as Brambul.

The U.S. Government refers to malicious cyber activity by the North Korean government as HIDDEN COBRA. For more information on HIDDEN COBRA activity, visit https://www.us-cert.gov/hiddencobra.

FBI has high confidence that HIDDEN COBRA actors are using the IP addresses—listed in this report’s IOC files—to maintain a presence on victims’ networks and enable network exploitation. DHS and FBI are distributing these IP addresses and other IOCs to enable network defense and reduce exposure to any North Korean government malicious cyber activity.

This alert also includes suggested response actions to the IOCs provided, recommended mitigation techniques, and information on how to report incidents. If users or administrators detect activity associated with these malware families, they should immediately flag it, report it to the DHS National Cybersecurity and Communications Integration Center (NCCIC) or the FBI Cyber Watch (CyWatch), and give it the highest priority for enhanced mitigation.

See the following links for a downloadable copy of IOCs:

NCCIC conducted analysis on four malware samples and produced a Malware Analysis Report (MAR). MAR-10135536.3 – RAT/Worm examines the tactics, techniques, and procedures observed in the malware. Visit MAR-10135536.3 – RAT/Worm for the report and associated IOCs.

Description

According to reporting of trusted third parties, HIDDEN COBRA actors have likely been using both Joanap and Brambul malware since at least 2009 to target multiple victims globally and in the United States—including the media, aerospace, financial, and critical infrastructure sectors. Users and administrators should review the information related to Joanap and Brambul from the Operation Blockbuster Destructive Malware Report [1] in conjunction with the IP addresses listed in the .csv and .stix files provided within this alert. Like many of the families of malware used by HIDDEN COBRA actors, Joanap, Brambul, and other previously reported custom malware tools, may be found on compromised network nodes. Each malware tool has different purposes and functionalities.

Joanap malware is a fully functional RAT that is able to receive multiple commands, which can be issued by HIDDEN COBRA actors remotely from a command and control server. Joanap typically infects a system as a file dropped by other HIDDEN COBRA malware, which users unknowingly downloaded either when they visit sites compromised by HIDDEN COBRA actors, or when they open malicious email attachments.

During analysis of the infrastructure used by Joanap malware, the U.S. Government identified 87 compromised network nodes. The countries in which the infected IP addresses are registered are as follows:

  • Argentina
  • Belgium
  • Brazil
  • Cambodia
  • China
  • Colombia
  • Egypt
  • India
  • Iran
  • Jordan
  • Pakistan
  • Saudi Arabia
  • Spain
  • Sri Lanka
  • Sweden
  • Taiwan
  • Tunisia

Malware often infects servers and systems without the knowledge of system users and owners. If the malware can establish persistence, it could move laterally through a victim’s network and any connected networks to infect nodes beyond those identified in this alert.

Brambul malware is a brute-force authentication worm that spreads through SMB shares. SMBs enable shared access to files between users on a network. Brambul malware typically spreads by using a list of hard-coded login credentials to launch a brute-force password attack against an SMB protocol for access to a victim’s networks.

Technical Details

Joanap

Joanap is a two-stage malware used to establish peer-to-peer communications and to manage botnets designed to enable other operations. Joanap malware provides HIDDEN COBRA actors with the ability to exfiltrate data, drop and run secondary payloads, and initialize proxy communications on a compromised Windows device. Other notable functions include

  • file management,
  • process management,
  • creation and deletion of directories, and
  • node management.

Analysis indicates the malware encodes data using Rivest Cipher 4 encryption to protect its communication with HIDDEN COBRA actors. Once installed, the malware creates a log entry within the Windows System Directory in a file named mssscardprv.ax. HIDDEN COBRA actors use this file to capture and store victims’ information such as the host IP address, host name, and the current system time.

Brambul

Brambul malware is a malicious Windows 32-bit SMB worm that functions as a service dynamic link library file or a portable executable file often dropped and installed onto victims’ networks by dropper malware. When executed, the malware attempts to establish contact with victim systems and IP addresses on victims’ local subnets. If successful, the application attempts to gain unauthorized access via the SMB protocol (ports 139 and 445) by launching brute-force password attacks using a list of embedded passwords. Additionally, the malware generates random IP addresses for further attacks.

Analysts suspect the malware targets insecure or unsecured user accounts and spreads through poorly secured network shares. Once the malware establishes unauthorized access on the victim’s systems, it communicates information about victim’s systems to HIDDEN COBRA actors using malicious email addresses. This information includes the IP address and host name—as well as the username and password—of each victim’s system. HIDDEN COBRA actors can use this information to remotely access a compromised system via the SMB protocol.

Analysis of a newer variant of Brambul malware identified the following built-in functions for remote operations:

  • harvesting system information,
  • accepting command-line arguments,
  • generating and executing a suicide script,
  • propagating across the network using SMB,
  • brute forcing SMB login credentials, and
  • generating Simple Mail Transport Protocol email messages containing target host system information.

Detection and Response

This alert’s IOC files provide HIDDEN COBRA IOCs related to Joanap and Brambul. DHS and FBI recommend that network administrators review the information provided, identify whether any of the provided IP addresses fall within their organizations’ allocated IP address space, and—if found—take necessary measures to remove the malware.

When reviewing network perimeter logs for the IP addresses, organizations may find instances of these IP addresses attempting to connect to their systems. Upon reviewing the traffic from these IP addresses, system owners may find some traffic relates to malicious activity and some traffic relates to legitimate activity.

Impact

A successful network intrusion can have severe impacts, particularly if the compromise becomes public. Possible impacts include

  • temporary or permanent loss of sensitive or proprietary information,
  • disruption to regular operations,
  • financial losses incurred to restore systems and files, and
  • potential harm to an organization’s reputation.

Solution

Mitigation Strategies

DHS recommends that users and administrators use the following best practices as preventive measures to protect their computer networks:

  • Keep operating systems and software up-to-date with the latest patches. Most attacks target vulnerable applications and operating systems. Patching with the latest updates greatly reduces the number of exploitable entry points available to an attacker.
  • Maintain up-to-date antivirus software, and scan all software downloaded from the internet before executing.
  • Restrict users’ abilities (permissions) to install and run unwanted software applications, and apply the principle of least privilege to all systems and services. Restricting these privileges may prevent malware from running or limit its capability to spread through the network.
  • Scan for and remove suspicious email attachments. If a user opens a malicious attachment and enables macros, embedded code will execute the malware on the machine. Enterprises and organizations should consider blocking email messages from suspicious sources that contain attachments. For information on safely handling email attachments, see Using Caution with Email Attachments. Follow safe practices when browsing the web. See Good Security Habits and Safeguarding Your Data for additional details.
  • Disable Microsoft’s File and Printer Sharing service, if not required by the user’s organization. If this service is required, use strong passwords or Active Directory authentication. See Choosing and Protecting Passwords for more information on creating strong passwords.
  • Enable a personal firewall on organization workstations and configure it to deny unsolicited connection requests.

Response to Unauthorized Network Access

Contact DHS or your local FBI office immediately. To report an intrusion and request resources for incident response or technical assistance, contact DHS NCCIC (NCCICCustomerService@hq.dhs.gov or 888-282-0870), FBI through a local field office, or FBI’s Cyber Division (CyWatch@fbi.gov or 855-292-3937).

References

Revision History

  • May 29, 2018: Initial version

This product is provided subject to this Notification and this Privacy & Use policy.




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