Malware Analysis Report

2025-04-14 05:10

Sample ID 250104-v4egbazjex
Target JaffaCakes118_7aedabb492d31f2fbbcaed1c553093f0
SHA256 c1ed11c0eb0d7854508bef0cb895db384766d8a69d2aa10281ab2f5ea93c849b
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c1ed11c0eb0d7854508bef0cb895db384766d8a69d2aa10281ab2f5ea93c849b

Threat Level: Known bad

The file JaffaCakes118_7aedabb492d31f2fbbcaed1c553093f0 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 17:32

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-04 17:32

Reported

2025-01-04 17:34

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7aedabb492d31f2fbbcaed1c553093f0.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_7aedabb492d31f2fbbcaed1c553093f0.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_7aedabb492d31f2fbbcaed1c553093f0.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7aedabb492d31f2fbbcaed1c553093f0.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54418863 -chipde -0e55874a34074d45adbbbdd3c6c68fc5 - -BLUB1 -epbuaaxzhssiivyf -327826

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 72.164.16.2.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.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 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 122.164.16.2.in-addr.arpa udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

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

MD5 317ec5f92cfbf04a53e8125b66b3b4af
SHA1 16068b8977b4dc562ae782d91bc009472667e331
SHA256 7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5
SHA512 ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

memory/4352-8-0x00007FFD561A5000-0x00007FFD561A6000-memory.dmp

memory/4352-9-0x000000001B730000-0x000000001BBFE000-memory.dmp

memory/4352-10-0x000000001BC00000-0x000000001BCA6000-memory.dmp

memory/4352-11-0x00007FFD55EF0000-0x00007FFD56891000-memory.dmp

memory/4352-12-0x000000001BDB0000-0x000000001BE4C000-memory.dmp

memory/4352-13-0x00007FFD55EF0000-0x00007FFD56891000-memory.dmp

memory/4352-14-0x000000001BCB0000-0x000000001BCB8000-memory.dmp

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

MD5 51d5b493f35696705495798983e61956
SHA1 276f9e652eb2f98a9acc7dc26e3253c490336c97
SHA256 4e37da71c46bfe283bbbc6c7857fb986d91798da89dd7b2e2c1cd91f02a4b8fd
SHA512 614c6c7475052c6b2f1ccc84f6ff528f611d707f060eeb39099b6ae1e037fdac88e256c2d095a8dea437c6db5dbb29eede427646a82da4df10ff7a2bb34fadbe

memory/4352-16-0x00007FFD55EF0000-0x00007FFD56891000-memory.dmp

memory/4352-17-0x00007FFD55EF0000-0x00007FFD56891000-memory.dmp

memory/4352-18-0x00007FFD55EF0000-0x00007FFD56891000-memory.dmp

memory/4352-19-0x00007FFD55EF0000-0x00007FFD56891000-memory.dmp

memory/4352-20-0x00007FFD55EF0000-0x00007FFD56891000-memory.dmp

memory/4352-21-0x00007FFD55EF0000-0x00007FFD56891000-memory.dmp

memory/4352-22-0x00007FFD561A5000-0x00007FFD561A6000-memory.dmp

memory/4352-23-0x00007FFD55EF0000-0x00007FFD56891000-memory.dmp

memory/4352-24-0x00007FFD55EF0000-0x00007FFD56891000-memory.dmp

memory/4352-26-0x00007FFD55EF0000-0x00007FFD56891000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-04 17:32

Reported

2025-01-04 17:34

Platform

win7-20241010-en

Max time kernel

14s

Max time network

18s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7aedabb492d31f2fbbcaed1c553093f0.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_7aedabb492d31f2fbbcaed1c553093f0.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7aedabb492d31f2fbbcaed1c553093f0.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7aedabb492d31f2fbbcaed1c553093f0.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54418863 -chipde -0e55874a34074d45adbbbdd3c6c68fc5 - -BLUB1 -yyavetjcvvlcibvx -524700

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/1824-12-0x000007FEF643E000-0x000007FEF643F000-memory.dmp

memory/1824-13-0x000007FEF6180000-0x000007FEF6B1D000-memory.dmp

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

MD5 51d5b493f35696705495798983e61956
SHA1 276f9e652eb2f98a9acc7dc26e3253c490336c97
SHA256 4e37da71c46bfe283bbbc6c7857fb986d91798da89dd7b2e2c1cd91f02a4b8fd
SHA512 614c6c7475052c6b2f1ccc84f6ff528f611d707f060eeb39099b6ae1e037fdac88e256c2d095a8dea437c6db5dbb29eede427646a82da4df10ff7a2bb34fadbe

memory/1824-15-0x000007FEF6180000-0x000007FEF6B1D000-memory.dmp

memory/1824-16-0x000007FEF6180000-0x000007FEF6B1D000-memory.dmp

memory/1824-17-0x000007FEF6180000-0x000007FEF6B1D000-memory.dmp

memory/1824-18-0x000007FEF6180000-0x000007FEF6B1D000-memory.dmp

memory/1824-19-0x000007FEF6180000-0x000007FEF6B1D000-memory.dmp

memory/1824-20-0x000007FEF6180000-0x000007FEF6B1D000-memory.dmp

memory/1824-21-0x000007FEF6180000-0x000007FEF6B1D000-memory.dmp

memory/1824-22-0x000007FEF643E000-0x000007FEF643F000-memory.dmp

memory/1824-23-0x000007FEF6180000-0x000007FEF6B1D000-memory.dmp

memory/1824-24-0x000007FEF6180000-0x000007FEF6B1D000-memory.dmp

memory/1824-25-0x000007FEF6180000-0x000007FEF6B1D000-memory.dmp

memory/1824-26-0x000007FEF6180000-0x000007FEF6B1D000-memory.dmp

memory/1824-27-0x000007FEF6180000-0x000007FEF6B1D000-memory.dmp

memory/1824-28-0x000007FEF6180000-0x000007FEF6B1D000-memory.dmp