Malware Analysis Report

2025-01-18 04:47

Sample ID 241019-1c6z5szfjd
Target 5ec4184027a7bd0a061cdbca475d3217_JaffaCakes118
SHA256 2dfa3ed19b53b34a0cb48c8e54481cd21bc297ba77294f855c385216db75563b
Tags
revengerat discovery stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

2dfa3ed19b53b34a0cb48c8e54481cd21bc297ba77294f855c385216db75563b

Threat Level: Known bad

The file 5ec4184027a7bd0a061cdbca475d3217_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

revengerat discovery stealer trojan

RevengeRAT

RevengeRat Executable

Executes dropped EXE

Loads dropped DLL

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-19 21:31

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-19 21:31

Reported

2024-10-19 21:33

Platform

win7-20240729-en

Max time kernel

15s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ec4184027a7bd0a061cdbca475d3217_JaffaCakes118.exe"

Signatures

RevengeRAT

trojan revengerat

RevengeRat Executable

stealer
Description Indicator Process Target
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v7f.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\5ec4184027a7bd0a061cdbca475d3217_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5ec4184027a7bd0a061cdbca475d3217_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5ec4184027a7bd0a061cdbca475d3217_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v7f.exe

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v7f.exe -install -176337 -dcu -54bcba117b144f12b8d8e2e5ef5023a6 - -noJS -cqiwemxwcerhtkpe -393510

Network

Country Destination Domain Proto
US 8.8.8.8:53 thinklabs-ltd.de udp
DE 176.9.175.237:80 thinklabs-ltd.de tcp
US 8.8.8.8:53 bin.download-sponsor.de udp
DE 176.9.175.234:443 bin.download-sponsor.de tcp

Files

\Users\Admin\AppData\Local\Temp\OCS\ocs_v7f.exe

MD5 ea3ccd42dbdc3500e3888daf53d8ef5d
SHA1 848c686280eaa04b172fccffbd312132a0c46172
SHA256 cd166eede0e0e5303fc3f5fe5f0dd44999020f116bde2adea15319cc214751b5
SHA512 7126ec10c2301354f32f3f813958c61eaef63fe946b804ebd6f5934068b344ab75857886d867373f7a2ccf47f18a5a0f1dbe652e9649963a9fdea2b3de6dba50

memory/1132-12-0x000007FEF50CE000-0x000007FEF50CF000-memory.dmp

memory/1132-13-0x000007FEF4E10000-0x000007FEF57AD000-memory.dmp

memory/1132-14-0x000007FEF4E10000-0x000007FEF57AD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\OCS\cqiwemxwcerhtkpe.dat

MD5 0a3f15c0799a6131415052bca7a1240f
SHA1 55db59d7918eb56a8f0619c18abea844d8d1ac20
SHA256 b195bce571a284d6402cd66e09cfcd82f09e15e28c997205ee3cc6fde87cff59
SHA512 b5762f1f2d27d488ee445cf9d3354e297ea2502849cb6453bc5a766932bd9953b33c77690bad2d38d1c4043ce752063ca1722760f355373091eabafe3eb1bd81

memory/1132-16-0x000007FEF4E10000-0x000007FEF57AD000-memory.dmp

memory/1132-17-0x000007FEF4E10000-0x000007FEF57AD000-memory.dmp

memory/1132-18-0x000007FEF4E10000-0x000007FEF57AD000-memory.dmp

memory/1132-19-0x000007FEF4E10000-0x000007FEF57AD000-memory.dmp

memory/1132-20-0x000007FEF4E10000-0x000007FEF57AD000-memory.dmp

memory/1132-21-0x000007FEF50CE000-0x000007FEF50CF000-memory.dmp

memory/1132-22-0x000007FEF4E10000-0x000007FEF57AD000-memory.dmp

memory/1132-23-0x000007FEF4E10000-0x000007FEF57AD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-19 21:31

Reported

2024-10-19 21:33

Platform

win10v2004-20241007-en

Max time kernel

142s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ec4184027a7bd0a061cdbca475d3217_JaffaCakes118.exe"

Signatures

RevengeRAT

trojan revengerat

RevengeRat Executable

stealer
Description Indicator Process Target
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v7f.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\5ec4184027a7bd0a061cdbca475d3217_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v7f.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5ec4184027a7bd0a061cdbca475d3217_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5ec4184027a7bd0a061cdbca475d3217_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v7f.exe

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v7f.exe -install -176337 -dcu -54bcba117b144f12b8d8e2e5ef5023a6 - -noJS -gwtfgxuvgilsrhcg -327828

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 72.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 thinklabs-ltd.de udp
DE 176.9.175.237:80 thinklabs-ltd.de tcp
US 8.8.8.8:53 bin.download-sponsor.de udp
DE 176.9.175.234:443 bin.download-sponsor.de tcp
US 8.8.8.8:53 234.175.9.176.in-addr.arpa udp
US 8.8.8.8:53 237.175.9.176.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 69.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v7f.exe

MD5 ea3ccd42dbdc3500e3888daf53d8ef5d
SHA1 848c686280eaa04b172fccffbd312132a0c46172
SHA256 cd166eede0e0e5303fc3f5fe5f0dd44999020f116bde2adea15319cc214751b5
SHA512 7126ec10c2301354f32f3f813958c61eaef63fe946b804ebd6f5934068b344ab75857886d867373f7a2ccf47f18a5a0f1dbe652e9649963a9fdea2b3de6dba50

memory/4520-8-0x00007FF943235000-0x00007FF943236000-memory.dmp

memory/4520-9-0x000000001BA10000-0x000000001BEDE000-memory.dmp

memory/4520-10-0x00007FF942F80000-0x00007FF943921000-memory.dmp

memory/4520-11-0x000000001B420000-0x000000001B4C6000-memory.dmp

memory/4520-12-0x000000001BF80000-0x000000001C01C000-memory.dmp

memory/4520-13-0x0000000000E40000-0x0000000000E48000-memory.dmp

memory/4520-14-0x00007FF942F80000-0x00007FF943921000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\OCS\gwtfgxuvgilsrhcg.dat

MD5 0a3f15c0799a6131415052bca7a1240f
SHA1 55db59d7918eb56a8f0619c18abea844d8d1ac20
SHA256 b195bce571a284d6402cd66e09cfcd82f09e15e28c997205ee3cc6fde87cff59
SHA512 b5762f1f2d27d488ee445cf9d3354e297ea2502849cb6453bc5a766932bd9953b33c77690bad2d38d1c4043ce752063ca1722760f355373091eabafe3eb1bd81

memory/4520-16-0x00007FF942F80000-0x00007FF943921000-memory.dmp

memory/4520-17-0x00007FF942F80000-0x00007FF943921000-memory.dmp

memory/4520-18-0x00007FF942F80000-0x00007FF943921000-memory.dmp

memory/4520-19-0x00007FF942F80000-0x00007FF943921000-memory.dmp

memory/4520-20-0x00007FF942F80000-0x00007FF943921000-memory.dmp

memory/4520-21-0x00007FF943235000-0x00007FF943236000-memory.dmp

memory/4520-22-0x00007FF942F80000-0x00007FF943921000-memory.dmp

memory/4520-23-0x00007FF942F80000-0x00007FF943921000-memory.dmp

memory/4520-25-0x00007FF942F80000-0x00007FF943921000-memory.dmp