Malware Analysis Report

2025-04-14 05:10

Sample ID 250107-z1ckrsymfv
Target bac0dba63eb15a6f2817cf1740d0151587ca3c02d7d21b5af7d10113d521af54.exe
SHA256 bac0dba63eb15a6f2817cf1740d0151587ca3c02d7d21b5af7d10113d521af54
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

bac0dba63eb15a6f2817cf1740d0151587ca3c02d7d21b5af7d10113d521af54

Threat Level: Known bad

The file bac0dba63eb15a6f2817cf1740d0151587ca3c02d7d21b5af7d10113d521af54.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

2025-01-07 21:10

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-07 21:10

Reported

2025-01-07 21:12

Platform

win7-20240903-en

Max time kernel

84s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bac0dba63eb15a6f2817cf1740d0151587ca3c02d7d21b5af7d10113d521af54.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\bac0dba63eb15a6f2817cf1740d0151587ca3c02d7d21b5af7d10113d521af54.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bac0dba63eb15a6f2817cf1740d0151587ca3c02d7d21b5af7d10113d521af54.exe

"C:\Users\Admin\AppData\Local\Temp\bac0dba63eb15a6f2817cf1740d0151587ca3c02d7d21b5af7d10113d521af54.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -145 -dhtechradar -c23adceeec6444c98f1875766c37a7fc - -ChromeBundle -onbnrlrrjcvfbmnw -393504

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/1256-12-0x000007FEF613E000-0x000007FEF613F000-memory.dmp

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

MD5 f5c883a6900fc719def91e0c169aede4
SHA1 f35856ae62c7498f07b2971f8b6238d0ed7108a6
SHA256 4d1193fec85b59310098592642ec5404db0d263626b07fd2db7aeac359ac0cb5
SHA512 1dba7d9ec24b824b4b14751e8babdabdb258a29640bc52654d039098fd38b0c936c2641c36a97a266bcc329b995db87f9f6ee9fcf25cfdb94680f679dbebb279

memory/1256-14-0x000007FEF5E80000-0x000007FEF681D000-memory.dmp

memory/1256-15-0x000007FEF5E80000-0x000007FEF681D000-memory.dmp

memory/1256-16-0x000007FEF5E80000-0x000007FEF681D000-memory.dmp

memory/1256-17-0x000007FEF5E80000-0x000007FEF681D000-memory.dmp

memory/1256-18-0x000007FEF5E80000-0x000007FEF681D000-memory.dmp

memory/1256-19-0x000007FEF5E80000-0x000007FEF681D000-memory.dmp

memory/1256-20-0x000007FEF5E80000-0x000007FEF681D000-memory.dmp

memory/1256-21-0x000007FEF613E000-0x000007FEF613F000-memory.dmp

memory/1256-22-0x000007FEF5E80000-0x000007FEF681D000-memory.dmp

memory/1256-23-0x000007FEF5E80000-0x000007FEF681D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-07 21:10

Reported

2025-01-07 21:12

Platform

win10v2004-20241007-en

Max time kernel

115s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bac0dba63eb15a6f2817cf1740d0151587ca3c02d7d21b5af7d10113d521af54.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\bac0dba63eb15a6f2817cf1740d0151587ca3c02d7d21b5af7d10113d521af54.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\bac0dba63eb15a6f2817cf1740d0151587ca3c02d7d21b5af7d10113d521af54.exe

"C:\Users\Admin\AppData\Local\Temp\bac0dba63eb15a6f2817cf1740d0151587ca3c02d7d21b5af7d10113d521af54.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -145 -dhtechradar -c23adceeec6444c98f1875766c37a7fc - -ChromeBundle -petuyjmpsvfkouef -524538

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 180.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 85.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 8.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

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

MD5 317ec5f92cfbf04a53e8125b66b3b4af
SHA1 16068b8977b4dc562ae782d91bc009472667e331
SHA256 7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5
SHA512 ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

memory/1596-8-0x00007FF916A55000-0x00007FF916A56000-memory.dmp

memory/1596-9-0x00007FF9167A0000-0x00007FF917141000-memory.dmp

memory/1596-10-0x000000001BFC0000-0x000000001C48E000-memory.dmp

memory/1596-11-0x000000001BA00000-0x000000001BAA6000-memory.dmp

memory/1596-12-0x000000001C560000-0x000000001C5FC000-memory.dmp

memory/1596-13-0x00007FF9167A0000-0x00007FF917141000-memory.dmp

memory/1596-14-0x000000001BAB0000-0x000000001BAB8000-memory.dmp

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

MD5 f5c883a6900fc719def91e0c169aede4
SHA1 f35856ae62c7498f07b2971f8b6238d0ed7108a6
SHA256 4d1193fec85b59310098592642ec5404db0d263626b07fd2db7aeac359ac0cb5
SHA512 1dba7d9ec24b824b4b14751e8babdabdb258a29640bc52654d039098fd38b0c936c2641c36a97a266bcc329b995db87f9f6ee9fcf25cfdb94680f679dbebb279

memory/1596-16-0x00007FF9167A0000-0x00007FF917141000-memory.dmp

memory/1596-17-0x00007FF9167A0000-0x00007FF917141000-memory.dmp

memory/1596-18-0x00007FF9167A0000-0x00007FF917141000-memory.dmp

memory/1596-19-0x00007FF9167A0000-0x00007FF917141000-memory.dmp

memory/1596-20-0x00007FF9167A0000-0x00007FF917141000-memory.dmp

memory/1596-21-0x00007FF9167A0000-0x00007FF917141000-memory.dmp

memory/1596-22-0x00007FF916A55000-0x00007FF916A56000-memory.dmp

memory/1596-23-0x00007FF9167A0000-0x00007FF917141000-memory.dmp

memory/1596-25-0x00007FF9167A0000-0x00007FF917141000-memory.dmp