Malware Analysis Report

2025-04-14 05:10

Sample ID 250108-qw3rqatrfr
Target c3a98180060aca10f4d85fe443013c4bbbb919ca14f68f8c8072bee45670d086.exe
SHA256 c3a98180060aca10f4d85fe443013c4bbbb919ca14f68f8c8072bee45670d086
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

c3a98180060aca10f4d85fe443013c4bbbb919ca14f68f8c8072bee45670d086

Threat Level: Known bad

The file c3a98180060aca10f4d85fe443013c4bbbb919ca14f68f8c8072bee45670d086.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 WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-08 13:37

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-08 13:37

Reported

2025-01-08 13:39

Platform

win7-20241010-en

Max time kernel

17s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c3a98180060aca10f4d85fe443013c4bbbb919ca14f68f8c8072bee45670d086.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\c3a98180060aca10f4d85fe443013c4bbbb919ca14f68f8c8072bee45670d086.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c3a98180060aca10f4d85fe443013c4bbbb919ca14f68f8c8072bee45670d086.exe

"C:\Users\Admin\AppData\Local\Temp\c3a98180060aca10f4d85fe443013c4bbbb919ca14f68f8c8072bee45670d086.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54372629 -chipde -c5c41b73ab2a4185aa02f0dc090f4c97 - -BLUB1 -hrocsfwqsjyxqprb -393564

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/2712-12-0x000007FEF540E000-0x000007FEF540F000-memory.dmp

memory/2712-13-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

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

MD5 1cf4bf6b18756598471c38f1f49a08a7
SHA1 dd4cf2b390cd7c868433ba371f633d4d77e657b3
SHA256 d9d1574f2917cb8a43b835562f0cabf34e930fc17105d483d1605e094d97cd1f
SHA512 2c46bc1db4fa7450086d706714e59da83f5f8b403f9aefb7ddb0ed53df3fedda342aab6e869453322ad5aa8129ffa983bf1b4dc832eafd141de4efa88d97f6a8

memory/2712-15-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

memory/2712-16-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

memory/2712-17-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

memory/2712-18-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

memory/2712-19-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

memory/2712-20-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

memory/2712-21-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-08 13:37

Reported

2025-01-08 13:39

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c3a98180060aca10f4d85fe443013c4bbbb919ca14f68f8c8072bee45670d086.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\c3a98180060aca10f4d85fe443013c4bbbb919ca14f68f8c8072bee45670d086.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\c3a98180060aca10f4d85fe443013c4bbbb919ca14f68f8c8072bee45670d086.exe

"C:\Users\Admin\AppData\Local\Temp\c3a98180060aca10f4d85fe443013c4bbbb919ca14f68f8c8072bee45670d086.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54372629 -chipde -c5c41b73ab2a4185aa02f0dc090f4c97 - -BLUB1 -nsikxazroahazoup -327826

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 8.153.16.2.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 8.8.8.8:53 234.175.9.176.in-addr.arpa udp
US 8.8.8.8:53 237.175.9.176.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp

Files

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

MD5 317ec5f92cfbf04a53e8125b66b3b4af
SHA1 16068b8977b4dc562ae782d91bc009472667e331
SHA256 7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5
SHA512 ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

memory/544-8-0x00007FF94BF15000-0x00007FF94BF16000-memory.dmp

memory/544-9-0x000000001B640000-0x000000001BB0E000-memory.dmp

memory/544-10-0x00007FF94BC60000-0x00007FF94C601000-memory.dmp

memory/544-11-0x000000001B020000-0x000000001B0C6000-memory.dmp

memory/544-12-0x000000001BBB0000-0x000000001BC4C000-memory.dmp

memory/544-13-0x0000000000B40000-0x0000000000B48000-memory.dmp

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

MD5 1cf4bf6b18756598471c38f1f49a08a7
SHA1 dd4cf2b390cd7c868433ba371f633d4d77e657b3
SHA256 d9d1574f2917cb8a43b835562f0cabf34e930fc17105d483d1605e094d97cd1f
SHA512 2c46bc1db4fa7450086d706714e59da83f5f8b403f9aefb7ddb0ed53df3fedda342aab6e869453322ad5aa8129ffa983bf1b4dc832eafd141de4efa88d97f6a8

memory/544-15-0x00007FF94BC60000-0x00007FF94C601000-memory.dmp

memory/544-16-0x00007FF94BC60000-0x00007FF94C601000-memory.dmp

memory/544-17-0x00007FF94BC60000-0x00007FF94C601000-memory.dmp

memory/544-18-0x00007FF94BC60000-0x00007FF94C601000-memory.dmp

memory/544-19-0x00007FF94BC60000-0x00007FF94C601000-memory.dmp

memory/544-20-0x00007FF94BC60000-0x00007FF94C601000-memory.dmp

memory/544-21-0x00007FF94BC60000-0x00007FF94C601000-memory.dmp

memory/544-22-0x00007FF94BC60000-0x00007FF94C601000-memory.dmp

memory/544-23-0x00007FF94BF15000-0x00007FF94BF16000-memory.dmp

memory/544-25-0x00007FF94BC60000-0x00007FF94C601000-memory.dmp