Malware Analysis Report

2025-04-14 05:10

Sample ID 250108-c1zzqssmcn
Target cbc34e0d0243c9388578a2a875d941cc509e168f551ab9ff925446edc3634804.exe
SHA256 cbc34e0d0243c9388578a2a875d941cc509e168f551ab9ff925446edc3634804
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

cbc34e0d0243c9388578a2a875d941cc509e168f551ab9ff925446edc3634804

Threat Level: Known bad

The file cbc34e0d0243c9388578a2a875d941cc509e168f551ab9ff925446edc3634804.exe 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 AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-08 02:33

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-08 02:33

Reported

2025-01-08 02:35

Platform

win7-20240729-en

Max time kernel

16s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cbc34e0d0243c9388578a2a875d941cc509e168f551ab9ff925446edc3634804.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\cbc34e0d0243c9388578a2a875d941cc509e168f551ab9ff925446edc3634804.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cbc34e0d0243c9388578a2a875d941cc509e168f551ab9ff925446edc3634804.exe

"C:\Users\Admin\AppData\Local\Temp\cbc34e0d0243c9388578a2a875d941cc509e168f551ab9ff925446edc3634804.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -58118521 -chipde -a06c734230844599933adf84896de868 - -BLUB1 -fagwvlklgwebrckg -459154

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/2696-12-0x000007FEF66CE000-0x000007FEF66CF000-memory.dmp

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

MD5 82424358153b44fe081ad8c6887366ed
SHA1 ef24163f7c129e431bf80739808e40e6166fcc77
SHA256 4daa1d69937b15c88a4c7d704c82e6e9edc060a8b9e680231f9f233b7e195b77
SHA512 cfa1c67e7455ca16dc5e4ad839743c2e534656e2466c20862c9565a4d2cfd64e7dc73884e4367da7d9482eb322f623bfb59b2151efdde6d50e618b09debf61c6

memory/2696-14-0x000007FEF6410000-0x000007FEF6DAD000-memory.dmp

memory/2696-15-0x000007FEF6410000-0x000007FEF6DAD000-memory.dmp

memory/2696-16-0x000007FEF6410000-0x000007FEF6DAD000-memory.dmp

memory/2696-17-0x000007FEF6410000-0x000007FEF6DAD000-memory.dmp

memory/2696-20-0x000007FEF6410000-0x000007FEF6DAD000-memory.dmp

memory/2696-19-0x000007FEF6410000-0x000007FEF6DAD000-memory.dmp

memory/2696-18-0x000007FEF6410000-0x000007FEF6DAD000-memory.dmp

memory/2696-21-0x000007FEF6410000-0x000007FEF6DAD000-memory.dmp

memory/2696-22-0x000007FEF6410000-0x000007FEF6DAD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-08 02:33

Reported

2025-01-08 02:35

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cbc34e0d0243c9388578a2a875d941cc509e168f551ab9ff925446edc3634804.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\cbc34e0d0243c9388578a2a875d941cc509e168f551ab9ff925446edc3634804.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\cbc34e0d0243c9388578a2a875d941cc509e168f551ab9ff925446edc3634804.exe

"C:\Users\Admin\AppData\Local\Temp\cbc34e0d0243c9388578a2a875d941cc509e168f551ab9ff925446edc3634804.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -58118521 -chipde -a06c734230844599933adf84896de868 - -BLUB1 -bxafwbguqspajgbp -327824

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 60.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.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 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
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 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 22.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

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

MD5 317ec5f92cfbf04a53e8125b66b3b4af
SHA1 16068b8977b4dc562ae782d91bc009472667e331
SHA256 7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5
SHA512 ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

memory/2860-8-0x00007FFEEBD85000-0x00007FFEEBD86000-memory.dmp

memory/2860-10-0x000000001C110000-0x000000001C5DE000-memory.dmp

memory/2860-9-0x00007FFEEBAD0000-0x00007FFEEC471000-memory.dmp

memory/2860-11-0x000000001C690000-0x000000001C736000-memory.dmp

memory/2860-12-0x000000001C7E0000-0x000000001C87C000-memory.dmp

memory/2860-13-0x0000000001650000-0x0000000001658000-memory.dmp

memory/2860-15-0x00007FFEEBAD0000-0x00007FFEEC471000-memory.dmp

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

MD5 82424358153b44fe081ad8c6887366ed
SHA1 ef24163f7c129e431bf80739808e40e6166fcc77
SHA256 4daa1d69937b15c88a4c7d704c82e6e9edc060a8b9e680231f9f233b7e195b77
SHA512 cfa1c67e7455ca16dc5e4ad839743c2e534656e2466c20862c9565a4d2cfd64e7dc73884e4367da7d9482eb322f623bfb59b2151efdde6d50e618b09debf61c6

memory/2860-16-0x00007FFEEBAD0000-0x00007FFEEC471000-memory.dmp

memory/2860-17-0x00007FFEEBAD0000-0x00007FFEEC471000-memory.dmp

memory/2860-18-0x00007FFEEBAD0000-0x00007FFEEC471000-memory.dmp

memory/2860-19-0x00007FFEEBAD0000-0x00007FFEEC471000-memory.dmp

memory/2860-20-0x00007FFEEBAD0000-0x00007FFEEC471000-memory.dmp

memory/2860-21-0x00007FFEEBAD0000-0x00007FFEEC471000-memory.dmp

memory/2860-22-0x00007FFEEBD85000-0x00007FFEEBD86000-memory.dmp

memory/2860-23-0x00007FFEEBAD0000-0x00007FFEEC471000-memory.dmp

memory/2860-25-0x00007FFEEBAD0000-0x00007FFEEC471000-memory.dmp