Malware Analysis Report

2025-04-14 05:12

Sample ID 250104-gre1esxqhq
Target JaffaCakes118_780f452978645501eeaa25a4e670e3d0
SHA256 86bfa814764b774286e4a83757294853e39d6a6f0f065c07df0dfd5c73a898f7
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

86bfa814764b774286e4a83757294853e39d6a6f0f065c07df0dfd5c73a898f7

Threat Level: Known bad

The file JaffaCakes118_780f452978645501eeaa25a4e670e3d0 was found to be: Known bad.

Malicious Activity Summary

revengerat discovery stealer trojan

Revengerat family

RevengeRAT

RevengeRat Executable

Loads dropped DLL

Executes dropped EXE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-04 06:02

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-04 06:02

Reported

2025-01-04 06:04

Platform

win7-20240903-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_780f452978645501eeaa25a4e670e3d0.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_780f452978645501eeaa25a4e670e3d0.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_780f452978645501eeaa25a4e670e3d0.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_780f452978645501eeaa25a4e670e3d0.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54415075 -chipde -e33652a8fabc46ce8a92e38e4f18054b - -BLUB1 -rkomersqkgoojhue -459162

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/2392-12-0x000007FEF5C8E000-0x000007FEF5C8F000-memory.dmp

memory/2392-13-0x000007FEF59D0000-0x000007FEF636D000-memory.dmp

memory/2392-14-0x000007FEF59D0000-0x000007FEF636D000-memory.dmp

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

MD5 155d9825080bd9262b151466a30cadc2
SHA1 fe79ed0c9b86fd239b20c6fdf7e1c8685a146f5b
SHA256 f6e7b0231a4ca12894bc7ac5dd60741df89b50cde8ee0da83493a23a19c9b9e2
SHA512 c1b0ba62ae9668f8603ceb682368d55780b8597784ab32be11552bf80720ff8e88e2bce69a5a35e50a302147410f76d60196448b6740848cfa384ca1c3cf126b

memory/2392-16-0x000007FEF59D0000-0x000007FEF636D000-memory.dmp

memory/2392-17-0x000007FEF59D0000-0x000007FEF636D000-memory.dmp

memory/2392-18-0x000007FEF59D0000-0x000007FEF636D000-memory.dmp

memory/2392-19-0x000007FEF59D0000-0x000007FEF636D000-memory.dmp

memory/2392-20-0x000007FEF59D0000-0x000007FEF636D000-memory.dmp

memory/2392-21-0x000007FEF59D0000-0x000007FEF636D000-memory.dmp

memory/2392-22-0x000007FEF59D0000-0x000007FEF636D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-04 06:02

Reported

2025-01-04 06:04

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_780f452978645501eeaa25a4e670e3d0.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_780f452978645501eeaa25a4e670e3d0.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_780f452978645501eeaa25a4e670e3d0.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_780f452978645501eeaa25a4e670e3d0.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54415075 -chipde -e33652a8fabc46ce8a92e38e4f18054b - -BLUB1 -tmloylfnnssfydos -327826

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 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 8.8.8.8:53 237.175.9.176.in-addr.arpa udp
US 8.8.8.8:53 234.175.9.176.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

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

MD5 317ec5f92cfbf04a53e8125b66b3b4af
SHA1 16068b8977b4dc562ae782d91bc009472667e331
SHA256 7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5
SHA512 ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

memory/2940-8-0x00007FFCA19E5000-0x00007FFCA19E6000-memory.dmp

memory/2940-9-0x00007FFCA1730000-0x00007FFCA20D1000-memory.dmp

memory/2940-10-0x000000001C3F0000-0x000000001C8BE000-memory.dmp

memory/2940-11-0x000000001C970000-0x000000001CA16000-memory.dmp

memory/2940-12-0x000000001CAC0000-0x000000001CB5C000-memory.dmp

memory/2940-13-0x00007FFCA1730000-0x00007FFCA20D1000-memory.dmp

memory/2940-14-0x00000000017E0000-0x00000000017E8000-memory.dmp

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

MD5 155d9825080bd9262b151466a30cadc2
SHA1 fe79ed0c9b86fd239b20c6fdf7e1c8685a146f5b
SHA256 f6e7b0231a4ca12894bc7ac5dd60741df89b50cde8ee0da83493a23a19c9b9e2
SHA512 c1b0ba62ae9668f8603ceb682368d55780b8597784ab32be11552bf80720ff8e88e2bce69a5a35e50a302147410f76d60196448b6740848cfa384ca1c3cf126b

memory/2940-16-0x00007FFCA1730000-0x00007FFCA20D1000-memory.dmp

memory/2940-17-0x00007FFCA1730000-0x00007FFCA20D1000-memory.dmp

memory/2940-18-0x00007FFCA1730000-0x00007FFCA20D1000-memory.dmp

memory/2940-19-0x00007FFCA1730000-0x00007FFCA20D1000-memory.dmp

memory/2940-20-0x00007FFCA1730000-0x00007FFCA20D1000-memory.dmp

memory/2940-21-0x00007FFCA1730000-0x00007FFCA20D1000-memory.dmp

memory/2940-22-0x00007FFCA19E5000-0x00007FFCA19E6000-memory.dmp

memory/2940-23-0x00007FFCA1730000-0x00007FFCA20D1000-memory.dmp

memory/2940-25-0x00007FFCA1730000-0x00007FFCA20D1000-memory.dmp