Malware Analysis Report

2025-04-14 05:10

Sample ID 250104-fz2zgstpev
Target c6ca8220099d1fa3a6d8e114d903f367bc9ff7a359313de1608f1af70b2ebdb4
SHA256 c6ca8220099d1fa3a6d8e114d903f367bc9ff7a359313de1608f1af70b2ebdb4
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

c6ca8220099d1fa3a6d8e114d903f367bc9ff7a359313de1608f1af70b2ebdb4

Threat Level: Known bad

The file c6ca8220099d1fa3a6d8e114d903f367bc9ff7a359313de1608f1af70b2ebdb4 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 SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-04 05:19

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-04 05:19

Reported

2025-01-04 05:21

Platform

win7-20240903-en

Max time kernel

121s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c6ca8220099d1fa3a6d8e114d903f367bc9ff7a359313de1608f1af70b2ebdb4.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\c6ca8220099d1fa3a6d8e114d903f367bc9ff7a359313de1608f1af70b2ebdb4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c6ca8220099d1fa3a6d8e114d903f367bc9ff7a359313de1608f1af70b2ebdb4.exe

"C:\Users\Admin\AppData\Local\Temp\c6ca8220099d1fa3a6d8e114d903f367bc9ff7a359313de1608f1af70b2ebdb4.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -241 -dhtechradar -8e52ddcdae4e4a00a35583c2e06a7e22 - - -fzjmzxbkjoedltke -655764

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/2792-12-0x000007FEF574E000-0x000007FEF574F000-memory.dmp

memory/2792-13-0x000007FEF5490000-0x000007FEF5E2D000-memory.dmp

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

MD5 e834bfd5ee423f2442c6856c3a4a1398
SHA1 4ef79149be8fbc71de3f9f386ca2d3cd461a77b9
SHA256 05c5ae7b15cdafd4e71ffb9e44dae44a77c7fb8a789c67d1081410b97eb69dc2
SHA512 9aa1746dc64acf6f5529f957a53027cf8c00540f2a4241079bfa48f9721b2cc27341b89a20e98c09f43a768649f16cc7dff311e6368db313590ffabc59754d18

memory/2792-15-0x000007FEF5490000-0x000007FEF5E2D000-memory.dmp

memory/2792-16-0x000007FEF5490000-0x000007FEF5E2D000-memory.dmp

memory/2792-17-0x000007FEF5490000-0x000007FEF5E2D000-memory.dmp

memory/2792-18-0x000007FEF5490000-0x000007FEF5E2D000-memory.dmp

memory/2792-19-0x000007FEF5490000-0x000007FEF5E2D000-memory.dmp

memory/2792-20-0x000007FEF5490000-0x000007FEF5E2D000-memory.dmp

memory/2792-21-0x000007FEF5490000-0x000007FEF5E2D000-memory.dmp

memory/2792-22-0x000007FEF574E000-0x000007FEF574F000-memory.dmp

memory/2792-23-0x000007FEF5490000-0x000007FEF5E2D000-memory.dmp

memory/2792-24-0x000007FEF5490000-0x000007FEF5E2D000-memory.dmp

memory/2792-25-0x000007FEF5490000-0x000007FEF5E2D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-04 05:19

Reported

2025-01-04 05:22

Platform

win10v2004-20241007-en

Max time kernel

96s

Max time network

100s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c6ca8220099d1fa3a6d8e114d903f367bc9ff7a359313de1608f1af70b2ebdb4.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\c6ca8220099d1fa3a6d8e114d903f367bc9ff7a359313de1608f1af70b2ebdb4.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\c6ca8220099d1fa3a6d8e114d903f367bc9ff7a359313de1608f1af70b2ebdb4.exe

"C:\Users\Admin\AppData\Local\Temp\c6ca8220099d1fa3a6d8e114d903f367bc9ff7a359313de1608f1af70b2ebdb4.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -241 -dhtechradar -8e52ddcdae4e4a00a35583c2e06a7e22 - - -nejxnzueknusndfs -393362

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 8.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.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 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 167.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 60.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

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

MD5 317ec5f92cfbf04a53e8125b66b3b4af
SHA1 16068b8977b4dc562ae782d91bc009472667e331
SHA256 7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5
SHA512 ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

memory/4272-8-0x00007FF9D5CD5000-0x00007FF9D5CD6000-memory.dmp

memory/4272-9-0x00007FF9D5A20000-0x00007FF9D63C1000-memory.dmp

memory/4272-10-0x000000001C4B0000-0x000000001C97E000-memory.dmp

memory/4272-11-0x000000001C980000-0x000000001CA26000-memory.dmp

memory/4272-12-0x000000001CAD0000-0x000000001CB6C000-memory.dmp

memory/4272-13-0x00007FF9D5A20000-0x00007FF9D63C1000-memory.dmp

memory/4272-14-0x0000000001990000-0x0000000001998000-memory.dmp

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

MD5 e834bfd5ee423f2442c6856c3a4a1398
SHA1 4ef79149be8fbc71de3f9f386ca2d3cd461a77b9
SHA256 05c5ae7b15cdafd4e71ffb9e44dae44a77c7fb8a789c67d1081410b97eb69dc2
SHA512 9aa1746dc64acf6f5529f957a53027cf8c00540f2a4241079bfa48f9721b2cc27341b89a20e98c09f43a768649f16cc7dff311e6368db313590ffabc59754d18

memory/4272-16-0x00007FF9D5A20000-0x00007FF9D63C1000-memory.dmp

memory/4272-17-0x00007FF9D5A20000-0x00007FF9D63C1000-memory.dmp

memory/4272-18-0x00007FF9D5A20000-0x00007FF9D63C1000-memory.dmp

memory/4272-19-0x00007FF9D5A20000-0x00007FF9D63C1000-memory.dmp

memory/4272-20-0x00007FF9D5A20000-0x00007FF9D63C1000-memory.dmp

memory/4272-21-0x00007FF9D5A20000-0x00007FF9D63C1000-memory.dmp

memory/4272-22-0x00007FF9D5A20000-0x00007FF9D63C1000-memory.dmp

memory/4272-23-0x00007FF9D5CD5000-0x00007FF9D5CD6000-memory.dmp

memory/4272-24-0x00007FF9D5A20000-0x00007FF9D63C1000-memory.dmp

memory/4272-26-0x00007FF9D5A20000-0x00007FF9D63C1000-memory.dmp