Malware Analysis Report

2025-04-14 05:11

Sample ID 250107-qhvtyssnds
Target d1e83f23e3c2ba7edca132862d4b1a14c0588cb7c66c16173b938227836ed75d.exe
SHA256 d1e83f23e3c2ba7edca132862d4b1a14c0588cb7c66c16173b938227836ed75d
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

d1e83f23e3c2ba7edca132862d4b1a14c0588cb7c66c16173b938227836ed75d

Threat Level: Known bad

The file d1e83f23e3c2ba7edca132862d4b1a14c0588cb7c66c16173b938227836ed75d.exe 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 WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-07 13:16

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-07 13:16

Reported

2025-01-07 13:18

Platform

win7-20240903-en

Max time kernel

16s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d1e83f23e3c2ba7edca132862d4b1a14c0588cb7c66c16173b938227836ed75d.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\d1e83f23e3c2ba7edca132862d4b1a14c0588cb7c66c16173b938227836ed75d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d1e83f23e3c2ba7edca132862d4b1a14c0588cb7c66c16173b938227836ed75d.exe

"C:\Users\Admin\AppData\Local\Temp\d1e83f23e3c2ba7edca132862d4b1a14c0588cb7c66c16173b938227836ed75d.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54383364 -chipde -f06a3c5087de4b07ba86ab0966510250 - -BLUB2BLUB2 -vjqsliojbpjoiucp -524690

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/1776-12-0x000007FEF60EE000-0x000007FEF60EF000-memory.dmp

memory/1776-13-0x000007FEF5E30000-0x000007FEF67CD000-memory.dmp

memory/1776-14-0x000007FEF5E30000-0x000007FEF67CD000-memory.dmp

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

MD5 f81b0658cd13356d211cccb04473fc46
SHA1 3b63e83d3a8f3fa22e87a18290801c48e7c0e524
SHA256 5ca32249303e65540bb03f65a1ebf109ae058b76f02fbfb7864c4a1cf95862c9
SHA512 19fd14dce241d4b3a05ed817b259a19884bda1c17ccbfa415d4432990d6d448289c08fa142cce6675566af76c206db602ec623ee9a4cf8b2c3aa3f56e772530b

memory/1776-16-0x000007FEF5E30000-0x000007FEF67CD000-memory.dmp

memory/1776-17-0x000007FEF5E30000-0x000007FEF67CD000-memory.dmp

memory/1776-18-0x000007FEF5E30000-0x000007FEF67CD000-memory.dmp

memory/1776-19-0x000007FEF5E30000-0x000007FEF67CD000-memory.dmp

memory/1776-20-0x000007FEF5E30000-0x000007FEF67CD000-memory.dmp

memory/1776-21-0x000007FEF5E30000-0x000007FEF67CD000-memory.dmp

memory/1776-22-0x000007FEF60EE000-0x000007FEF60EF000-memory.dmp

memory/1776-23-0x000007FEF5E30000-0x000007FEF67CD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-07 13:16

Reported

2025-01-07 13:18

Platform

win10v2004-20241007-en

Max time kernel

96s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d1e83f23e3c2ba7edca132862d4b1a14c0588cb7c66c16173b938227836ed75d.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\d1e83f23e3c2ba7edca132862d4b1a14c0588cb7c66c16173b938227836ed75d.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\d1e83f23e3c2ba7edca132862d4b1a14c0588cb7c66c16173b938227836ed75d.exe

"C:\Users\Admin\AppData\Local\Temp\d1e83f23e3c2ba7edca132862d4b1a14c0588cb7c66c16173b938227836ed75d.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54383364 -chipde -f06a3c5087de4b07ba86ab0966510250 - -BLUB2BLUB2 -doqptemjyoqeyijz -327822

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.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 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 166.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 133.130.81.91.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 8.153.16.2.in-addr.arpa udp

Files

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

MD5 317ec5f92cfbf04a53e8125b66b3b4af
SHA1 16068b8977b4dc562ae782d91bc009472667e331
SHA256 7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5
SHA512 ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

memory/624-8-0x00007FFBF2F45000-0x00007FFBF2F46000-memory.dmp

memory/624-9-0x000000001C3D0000-0x000000001C89E000-memory.dmp

memory/624-10-0x000000001C8A0000-0x000000001C946000-memory.dmp

memory/624-11-0x000000001C9F0000-0x000000001CA8C000-memory.dmp

memory/624-12-0x00007FFBF2C90000-0x00007FFBF3631000-memory.dmp

memory/624-14-0x0000000001620000-0x0000000001628000-memory.dmp

memory/624-13-0x00007FFBF2C90000-0x00007FFBF3631000-memory.dmp

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

MD5 f81b0658cd13356d211cccb04473fc46
SHA1 3b63e83d3a8f3fa22e87a18290801c48e7c0e524
SHA256 5ca32249303e65540bb03f65a1ebf109ae058b76f02fbfb7864c4a1cf95862c9
SHA512 19fd14dce241d4b3a05ed817b259a19884bda1c17ccbfa415d4432990d6d448289c08fa142cce6675566af76c206db602ec623ee9a4cf8b2c3aa3f56e772530b

memory/624-16-0x00007FFBF2C90000-0x00007FFBF3631000-memory.dmp

memory/624-17-0x00007FFBF2C90000-0x00007FFBF3631000-memory.dmp

memory/624-18-0x00007FFBF2C90000-0x00007FFBF3631000-memory.dmp

memory/624-19-0x00007FFBF2C90000-0x00007FFBF3631000-memory.dmp

memory/624-20-0x00007FFBF2C90000-0x00007FFBF3631000-memory.dmp

memory/624-21-0x00007FFBF2C90000-0x00007FFBF3631000-memory.dmp

memory/624-22-0x00007FFBF2F45000-0x00007FFBF2F46000-memory.dmp

memory/624-23-0x00007FFBF2C90000-0x00007FFBF3631000-memory.dmp

memory/624-25-0x00007FFBF2C90000-0x00007FFBF3631000-memory.dmp