Malware Analysis Report

2025-04-14 05:10

Sample ID 250108-z9sckstqa1
Target eada1b1bd0ff4b90ac8e2c524edb9b9f727a4ffb24f8e4e61610b6d03408b42cN.exe
SHA256 eada1b1bd0ff4b90ac8e2c524edb9b9f727a4ffb24f8e4e61610b6d03408b42c
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

eada1b1bd0ff4b90ac8e2c524edb9b9f727a4ffb24f8e4e61610b6d03408b42c

Threat Level: Known bad

The file eada1b1bd0ff4b90ac8e2c524edb9b9f727a4ffb24f8e4e61610b6d03408b42cN.exe was found to be: Known bad.

Malicious Activity Summary

revengerat discovery stealer trojan

Revengerat family

RevengeRAT

RevengeRat Executable

Executes dropped EXE

Loads dropped DLL

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-08 21:25

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-08 21:25

Reported

2025-01-08 21:27

Platform

win7-20240903-en

Max time kernel

15s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\eada1b1bd0ff4b90ac8e2c524edb9b9f727a4ffb24f8e4e61610b6d03408b42cN.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\eada1b1bd0ff4b90ac8e2c524edb9b9f727a4ffb24f8e4e61610b6d03408b42cN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\eada1b1bd0ff4b90ac8e2c524edb9b9f727a4ffb24f8e4e61610b6d03408b42cN.exe

"C:\Users\Admin\AppData\Local\Temp\eada1b1bd0ff4b90ac8e2c524edb9b9f727a4ffb24f8e4e61610b6d03408b42cN.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -63844147 -chipde -5498a814a1b54a22b73c01830f69c4dc - -BLUB1 -henzrilgcudfmcbd -524702

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/2232-12-0x000007FEF61CE000-0x000007FEF61CF000-memory.dmp

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

MD5 272e8336963f3e6867e9adfa13972864
SHA1 56f15b8faa92316a85a99897c9cf6fcdcd26bc94
SHA256 fda17c8cff015be352ab2a4347b9cbc9a1c42c007094d8c526db3ab0e7cad0a5
SHA512 d5a521f4ae5bb56b57e52eecd95fab4bc4cf3f60ec8b1a6c4c22f3f978ad96b74dc6b5a8aea27959e4edde68621fc4374cd2a2f4544e59a087f559b1ffc10ab8

memory/2232-14-0x000007FEF5F10000-0x000007FEF68AD000-memory.dmp

memory/2232-15-0x000007FEF5F10000-0x000007FEF68AD000-memory.dmp

memory/2232-16-0x000007FEF5F10000-0x000007FEF68AD000-memory.dmp

memory/2232-18-0x000007FEF5F10000-0x000007FEF68AD000-memory.dmp

memory/2232-17-0x000007FEF5F10000-0x000007FEF68AD000-memory.dmp

memory/2232-20-0x000007FEF5F10000-0x000007FEF68AD000-memory.dmp

memory/2232-19-0x000007FEF5F10000-0x000007FEF68AD000-memory.dmp

memory/2232-21-0x000007FEF5F10000-0x000007FEF68AD000-memory.dmp

memory/2232-22-0x000007FEF61CE000-0x000007FEF61CF000-memory.dmp

memory/2232-23-0x000007FEF5F10000-0x000007FEF68AD000-memory.dmp

memory/2232-24-0x000007FEF5F10000-0x000007FEF68AD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-08 21:25

Reported

2025-01-08 21:27

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\eada1b1bd0ff4b90ac8e2c524edb9b9f727a4ffb24f8e4e61610b6d03408b42cN.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\eada1b1bd0ff4b90ac8e2c524edb9b9f727a4ffb24f8e4e61610b6d03408b42cN.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\eada1b1bd0ff4b90ac8e2c524edb9b9f727a4ffb24f8e4e61610b6d03408b42cN.exe

"C:\Users\Admin\AppData\Local\Temp\eada1b1bd0ff4b90ac8e2c524edb9b9f727a4ffb24f8e4e61610b6d03408b42cN.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -63844147 -chipde -5498a814a1b54a22b73c01830f69c4dc - -BLUB1 -kmnbjrcccxhhnvap -589936

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 60.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 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 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 181.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 8.153.16.2.in-addr.arpa 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/4416-8-0x00007FFB8A0B5000-0x00007FFB8A0B6000-memory.dmp

memory/4416-9-0x000000001BE50000-0x000000001C31E000-memory.dmp

memory/4416-10-0x00007FFB89E00000-0x00007FFB8A7A1000-memory.dmp

memory/4416-11-0x000000001C320000-0x000000001C3C6000-memory.dmp

memory/4416-12-0x000000001C470000-0x000000001C50C000-memory.dmp

memory/4416-13-0x00007FFB89E00000-0x00007FFB8A7A1000-memory.dmp

memory/4416-14-0x0000000001190000-0x0000000001198000-memory.dmp

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

MD5 272e8336963f3e6867e9adfa13972864
SHA1 56f15b8faa92316a85a99897c9cf6fcdcd26bc94
SHA256 fda17c8cff015be352ab2a4347b9cbc9a1c42c007094d8c526db3ab0e7cad0a5
SHA512 d5a521f4ae5bb56b57e52eecd95fab4bc4cf3f60ec8b1a6c4c22f3f978ad96b74dc6b5a8aea27959e4edde68621fc4374cd2a2f4544e59a087f559b1ffc10ab8

memory/4416-16-0x00007FFB89E00000-0x00007FFB8A7A1000-memory.dmp

memory/4416-17-0x00007FFB89E00000-0x00007FFB8A7A1000-memory.dmp

memory/4416-18-0x00007FFB89E00000-0x00007FFB8A7A1000-memory.dmp

memory/4416-19-0x00007FFB89E00000-0x00007FFB8A7A1000-memory.dmp

memory/4416-20-0x00007FFB89E00000-0x00007FFB8A7A1000-memory.dmp

memory/4416-21-0x00007FFB8A0B5000-0x00007FFB8A0B6000-memory.dmp

memory/4416-22-0x00007FFB89E00000-0x00007FFB8A7A1000-memory.dmp

memory/4416-23-0x00007FFB89E00000-0x00007FFB8A7A1000-memory.dmp

memory/4416-24-0x00007FFB89E00000-0x00007FFB8A7A1000-memory.dmp

memory/4416-26-0x00007FFB89E00000-0x00007FFB8A7A1000-memory.dmp