Malware Analysis Report

2025-04-14 05:12

Sample ID 250104-ra2g7ssmbv
Target JaffaCakes118_7a12de6df346dbcc530d2e60f2869760
SHA256 9da894a91b7ccc708415a6ad8ca98c6f3433254427cc014d33feb22703fb0085
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

9da894a91b7ccc708415a6ad8ca98c6f3433254427cc014d33feb22703fb0085

Threat Level: Known bad

The file JaffaCakes118_7a12de6df346dbcc530d2e60f2869760 was found to be: Known bad.

Malicious Activity Summary

revengerat discovery stealer trojan

RevengeRAT

Revengerat family

RevengeRat Executable

Loads dropped DLL

Executes dropped EXE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-04 14:00

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-04 14:00

Reported

2025-01-04 14:02

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a12de6df346dbcc530d2e60f2869760.exe"

Signatures

RevengeRAT

trojan revengerat

Revengerat family

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_v71a.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\JaffaCakes118_7a12de6df346dbcc530d2e60f2869760.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a12de6df346dbcc530d2e60f2869760.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a12de6df346dbcc530d2e60f2869760.exe"

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54393806 -chipde -9d29f4a185124491968e34cb32d1055a - -BLUB1 -wusknjocybvndepi -393502

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_v71a.exe

MD5 317ec5f92cfbf04a53e8125b66b3b4af
SHA1 16068b8977b4dc562ae782d91bc009472667e331
SHA256 7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5
SHA512 ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

memory/2748-12-0x000007FEF61BE000-0x000007FEF61BF000-memory.dmp

memory/2748-13-0x000007FEF5F00000-0x000007FEF689D000-memory.dmp

memory/2748-14-0x000007FEF5F00000-0x000007FEF689D000-memory.dmp

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

MD5 251962595416d02dfa80b92a9d5244cf
SHA1 4fed1fbdfefc717bb912e4fe545551f1e92200e9
SHA256 3d83076a0da4d8de024c2b0ef06ac85a7be6d3f764e579d5e44082c610489f9e
SHA512 bf06a1aaf245dac073ca5a326ccf610f7bd4834ccf4f650ffa739bba29c90501869985d0643f0e1c3d5c4ba9f4f929a8abe66f511489bd5f2c02cc2392c3cdc6

memory/2748-16-0x000007FEF5F00000-0x000007FEF689D000-memory.dmp

memory/2748-17-0x000007FEF5F00000-0x000007FEF689D000-memory.dmp

memory/2748-19-0x000007FEF5F00000-0x000007FEF689D000-memory.dmp

memory/2748-18-0x000007FEF5F00000-0x000007FEF689D000-memory.dmp

memory/2748-20-0x000007FEF5F00000-0x000007FEF689D000-memory.dmp

memory/2748-21-0x000007FEF5F00000-0x000007FEF689D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-04 14:00

Reported

2025-01-04 14:02

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a12de6df346dbcc530d2e60f2869760.exe"

Signatures

RevengeRAT

trojan revengerat

Revengerat family

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_v71a.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\JaffaCakes118_7a12de6df346dbcc530d2e60f2869760.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a12de6df346dbcc530d2e60f2869760.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a12de6df346dbcc530d2e60f2869760.exe"

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54393806 -chipde -9d29f4a185124491968e34cb32d1055a - -BLUB1 -ddzkagoekixqvaed -327826

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 113.51.25.184.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 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 bin.download-sponsor.de udp
DE 176.9.175.234:443 bin.download-sponsor.de tcp
US 8.8.8.8:53 237.175.9.176.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 234.175.9.176.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 91.155.216.23.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe

MD5 317ec5f92cfbf04a53e8125b66b3b4af
SHA1 16068b8977b4dc562ae782d91bc009472667e331
SHA256 7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5
SHA512 ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

memory/3284-8-0x00007FFCED675000-0x00007FFCED676000-memory.dmp

memory/3284-9-0x000000001BDE0000-0x000000001C2AE000-memory.dmp

memory/3284-10-0x00007FFCED3C0000-0x00007FFCEDD61000-memory.dmp

memory/3284-11-0x000000001C2B0000-0x000000001C356000-memory.dmp

memory/3284-12-0x000000001C400000-0x000000001C49C000-memory.dmp

memory/3284-13-0x00000000012A0000-0x00000000012A8000-memory.dmp

memory/3284-14-0x00007FFCED3C0000-0x00007FFCEDD61000-memory.dmp

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

MD5 251962595416d02dfa80b92a9d5244cf
SHA1 4fed1fbdfefc717bb912e4fe545551f1e92200e9
SHA256 3d83076a0da4d8de024c2b0ef06ac85a7be6d3f764e579d5e44082c610489f9e
SHA512 bf06a1aaf245dac073ca5a326ccf610f7bd4834ccf4f650ffa739bba29c90501869985d0643f0e1c3d5c4ba9f4f929a8abe66f511489bd5f2c02cc2392c3cdc6

memory/3284-16-0x00007FFCED3C0000-0x00007FFCEDD61000-memory.dmp

memory/3284-17-0x00007FFCED3C0000-0x00007FFCEDD61000-memory.dmp

memory/3284-18-0x00007FFCED3C0000-0x00007FFCEDD61000-memory.dmp

memory/3284-19-0x00007FFCED3C0000-0x00007FFCEDD61000-memory.dmp

memory/3284-20-0x00007FFCED3C0000-0x00007FFCEDD61000-memory.dmp

memory/3284-21-0x00007FFCED3C0000-0x00007FFCEDD61000-memory.dmp

memory/3284-22-0x00007FFCED675000-0x00007FFCED676000-memory.dmp

memory/3284-23-0x00007FFCED3C0000-0x00007FFCEDD61000-memory.dmp

memory/3284-24-0x00007FFCED3C0000-0x00007FFCEDD61000-memory.dmp

memory/3284-26-0x00007FFCED3C0000-0x00007FFCEDD61000-memory.dmp