Malware Analysis Report

2025-04-14 05:12

Sample ID 250104-dzmhpa1nfl
Target JaffaCakes118_77589fbd3a6a806ee039761c9fbe60b0
SHA256 8c2661991097062189bc2c145564cb4d96b687ac0c0ce4cde1bb34bb0fdd0a3c
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

8c2661991097062189bc2c145564cb4d96b687ac0c0ce4cde1bb34bb0fdd0a3c

Threat Level: Known bad

The file JaffaCakes118_77589fbd3a6a806ee039761c9fbe60b0 was found to be: Known bad.

Malicious Activity Summary

revengerat discovery stealer trojan

RevengeRAT

Revengerat family

RevengeRat Executable

Executes dropped EXE

Loads dropped DLL

System Location Discovery: System Language Discovery

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-04 03:26

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-04 03:26

Reported

2025-01-04 03:29

Platform

win7-20240708-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77589fbd3a6a806ee039761c9fbe60b0.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_77589fbd3a6a806ee039761c9fbe60b0.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77589fbd3a6a806ee039761c9fbe60b0.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77589fbd3a6a806ee039761c9fbe60b0.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54393806 -chipde -fdd803f5d5a74a8db7419bad545b84ce - -BLUB2 -itwsesqrtxkqixlm -524774

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/2648-12-0x000007FEF537E000-0x000007FEF537F000-memory.dmp

memory/2648-13-0x000007FEF50C0000-0x000007FEF5A5D000-memory.dmp

memory/2648-14-0x000007FEF50C0000-0x000007FEF5A5D000-memory.dmp

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

MD5 fd9217f84d0905c90c70e5185279ef32
SHA1 3def553d671bd944bf44b441d68a74d32bb60793
SHA256 5adb4ef31afd54f36b53f101f84af18ee40c873e2d62e3ed5bb1a20d51161bf9
SHA512 09c76b53f0dbba7c3114f58850122a24c49070e0a9032322aa7ae7e4f0a1afb8bec14d12ed2d41d590864218945f61d2c3a29d15c9a094d77f3d5cf76a587351

memory/2648-16-0x000007FEF50C0000-0x000007FEF5A5D000-memory.dmp

memory/2648-17-0x000007FEF50C0000-0x000007FEF5A5D000-memory.dmp

memory/2648-18-0x000007FEF50C0000-0x000007FEF5A5D000-memory.dmp

memory/2648-19-0x000007FEF50C0000-0x000007FEF5A5D000-memory.dmp

memory/2648-20-0x000007FEF537E000-0x000007FEF537F000-memory.dmp

memory/2648-21-0x000007FEF50C0000-0x000007FEF5A5D000-memory.dmp

memory/2648-23-0x000007FEF50C0000-0x000007FEF5A5D000-memory.dmp

memory/2648-22-0x000007FEF50C0000-0x000007FEF5A5D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-04 03:26

Reported

2025-01-04 03:29

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77589fbd3a6a806ee039761c9fbe60b0.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_77589fbd3a6a806ee039761c9fbe60b0.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_77589fbd3a6a806ee039761c9fbe60b0.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77589fbd3a6a806ee039761c9fbe60b0.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54393806 -chipde -fdd803f5d5a74a8db7419bad545b84ce - -BLUB2 -vpcmhzvwwmyacsok -196850

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 20.49.80.91.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 95.221.229.192.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 8.8.8.8:53 234.175.9.176.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

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

MD5 317ec5f92cfbf04a53e8125b66b3b4af
SHA1 16068b8977b4dc562ae782d91bc009472667e331
SHA256 7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5
SHA512 ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

memory/3808-8-0x00007FFFA3045000-0x00007FFFA3046000-memory.dmp

memory/3808-10-0x000000001C060000-0x000000001C52E000-memory.dmp

memory/3808-9-0x00007FFFA2D90000-0x00007FFFA3731000-memory.dmp

memory/3808-11-0x000000001BAA0000-0x000000001BB46000-memory.dmp

memory/3808-12-0x000000001C5E0000-0x000000001C67C000-memory.dmp

memory/3808-13-0x00007FFFA2D90000-0x00007FFFA3731000-memory.dmp

memory/3808-14-0x0000000001690000-0x0000000001698000-memory.dmp

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

MD5 fd9217f84d0905c90c70e5185279ef32
SHA1 3def553d671bd944bf44b441d68a74d32bb60793
SHA256 5adb4ef31afd54f36b53f101f84af18ee40c873e2d62e3ed5bb1a20d51161bf9
SHA512 09c76b53f0dbba7c3114f58850122a24c49070e0a9032322aa7ae7e4f0a1afb8bec14d12ed2d41d590864218945f61d2c3a29d15c9a094d77f3d5cf76a587351

memory/3808-16-0x00007FFFA2D90000-0x00007FFFA3731000-memory.dmp

memory/3808-17-0x00007FFFA2D90000-0x00007FFFA3731000-memory.dmp

memory/3808-18-0x00007FFFA2D90000-0x00007FFFA3731000-memory.dmp

memory/3808-19-0x00007FFFA2D90000-0x00007FFFA3731000-memory.dmp

memory/3808-20-0x00007FFFA2D90000-0x00007FFFA3731000-memory.dmp

memory/3808-21-0x00007FFFA2D90000-0x00007FFFA3731000-memory.dmp

memory/3808-22-0x00007FFFA3045000-0x00007FFFA3046000-memory.dmp

memory/3808-23-0x00007FFFA2D90000-0x00007FFFA3731000-memory.dmp

memory/3808-25-0x00007FFFA2D90000-0x00007FFFA3731000-memory.dmp