Malware Analysis Report

2025-04-14 05:10

Sample ID 250106-1tnj5azjbz
Target 4dfcf6d11374bdcc6cbe8063d062f2dd251c5b4de79112abc697f63b5475f39fN.exe
SHA256 4dfcf6d11374bdcc6cbe8063d062f2dd251c5b4de79112abc697f63b5475f39f
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

4dfcf6d11374bdcc6cbe8063d062f2dd251c5b4de79112abc697f63b5475f39f

Threat Level: Known bad

The file 4dfcf6d11374bdcc6cbe8063d062f2dd251c5b4de79112abc697f63b5475f39fN.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 SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-06 21:56

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-06 21:56

Reported

2025-01-06 21:58

Platform

win7-20240729-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4dfcf6d11374bdcc6cbe8063d062f2dd251c5b4de79112abc697f63b5475f39fN.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\4dfcf6d11374bdcc6cbe8063d062f2dd251c5b4de79112abc697f63b5475f39fN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4dfcf6d11374bdcc6cbe8063d062f2dd251c5b4de79112abc697f63b5475f39fN.exe

"C:\Users\Admin\AppData\Local\Temp\4dfcf6d11374bdcc6cbe8063d062f2dd251c5b4de79112abc697f63b5475f39fN.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54403718 -chipde -eb1ff291d8ca41a4b363406a0deea0c8 - -BLUB1 -nlyfrfzcgfayxtiv -459096

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/2804-12-0x000007FEF603E000-0x000007FEF603F000-memory.dmp

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

MD5 f4eaa24f55ce96340d9aad37aa4babf4
SHA1 7cd0598d6a79c919a8d36530786ffff3f1b1a0df
SHA256 ccafc9e20a25cea1f00572789f5873bd2e39662205a481ecafeffe98ace0e357
SHA512 e9dfc156c46e0bc3b92ac3ba50fa841fdf61dc2a52949ff8fc950dc67b550fb44978809e436e89d64c7c80e515dcd088c55aae8dc6499f07cbfb01dbcb2d662b

memory/2804-14-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp

memory/2804-15-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp

memory/2804-16-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp

memory/2804-17-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp

memory/2804-18-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp

memory/2804-19-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp

memory/2804-20-0x000007FEF603E000-0x000007FEF603F000-memory.dmp

memory/2804-21-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp

memory/2804-22-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-06 21:56

Reported

2025-01-06 21:58

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4dfcf6d11374bdcc6cbe8063d062f2dd251c5b4de79112abc697f63b5475f39fN.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\4dfcf6d11374bdcc6cbe8063d062f2dd251c5b4de79112abc697f63b5475f39fN.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\4dfcf6d11374bdcc6cbe8063d062f2dd251c5b4de79112abc697f63b5475f39fN.exe

"C:\Users\Admin\AppData\Local\Temp\4dfcf6d11374bdcc6cbe8063d062f2dd251c5b4de79112abc697f63b5475f39fN.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54403718 -chipde -eb1ff291d8ca41a4b363406a0deea0c8 - -BLUB1 -dvaypeypgmogbymt -393692

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 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 74.32.126.40.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 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 181.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 85.49.80.91.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/4484-8-0x00007FFCCBBC5000-0x00007FFCCBBC6000-memory.dmp

memory/4484-9-0x00007FFCCB910000-0x00007FFCCC2B1000-memory.dmp

memory/4484-10-0x000000001C0D0000-0x000000001C59E000-memory.dmp

memory/4484-11-0x000000001C5A0000-0x000000001C646000-memory.dmp

memory/4484-12-0x00007FFCCB910000-0x00007FFCCC2B1000-memory.dmp

memory/4484-13-0x000000001C6F0000-0x000000001C78C000-memory.dmp

memory/4484-14-0x0000000001420000-0x0000000001428000-memory.dmp

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

MD5 f4eaa24f55ce96340d9aad37aa4babf4
SHA1 7cd0598d6a79c919a8d36530786ffff3f1b1a0df
SHA256 ccafc9e20a25cea1f00572789f5873bd2e39662205a481ecafeffe98ace0e357
SHA512 e9dfc156c46e0bc3b92ac3ba50fa841fdf61dc2a52949ff8fc950dc67b550fb44978809e436e89d64c7c80e515dcd088c55aae8dc6499f07cbfb01dbcb2d662b

memory/4484-16-0x00007FFCCB910000-0x00007FFCCC2B1000-memory.dmp

memory/4484-17-0x00007FFCCB910000-0x00007FFCCC2B1000-memory.dmp

memory/4484-18-0x00007FFCCB910000-0x00007FFCCC2B1000-memory.dmp

memory/4484-19-0x00007FFCCB910000-0x00007FFCCC2B1000-memory.dmp

memory/4484-20-0x00007FFCCB910000-0x00007FFCCC2B1000-memory.dmp

memory/4484-21-0x00007FFCCB910000-0x00007FFCCC2B1000-memory.dmp

memory/4484-22-0x00007FFCCBBC5000-0x00007FFCCBBC6000-memory.dmp

memory/4484-23-0x00007FFCCB910000-0x00007FFCCC2B1000-memory.dmp

memory/4484-25-0x00007FFCCB910000-0x00007FFCCC2B1000-memory.dmp