Malware Analysis Report

2025-04-14 05:11

Sample ID 250108-kn5y8asnhs
Target 14b3ee879c5359fba5383b2614fe6a3d767152a3f5fba2826c3e21719397cb51.exe
SHA256 14b3ee879c5359fba5383b2614fe6a3d767152a3f5fba2826c3e21719397cb51
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

14b3ee879c5359fba5383b2614fe6a3d767152a3f5fba2826c3e21719397cb51

Threat Level: Known bad

The file 14b3ee879c5359fba5383b2614fe6a3d767152a3f5fba2826c3e21719397cb51.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 AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-08 08:45

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-08 08:45

Reported

2025-01-08 08:47

Platform

win7-20241010-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\14b3ee879c5359fba5383b2614fe6a3d767152a3f5fba2826c3e21719397cb51.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\14b3ee879c5359fba5383b2614fe6a3d767152a3f5fba2826c3e21719397cb51.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\14b3ee879c5359fba5383b2614fe6a3d767152a3f5fba2826c3e21719397cb51.exe

"C:\Users\Admin\AppData\Local\Temp\14b3ee879c5359fba5383b2614fe6a3d767152a3f5fba2826c3e21719397cb51.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54393806 -chipde -fdd803f5d5a74a8db7419bad545b84ce - -BLUB2 -rvylbthdxsivvcsg -524696

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

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

MD5 317ec5f92cfbf04a53e8125b66b3b4af
SHA1 16068b8977b4dc562ae782d91bc009472667e331
SHA256 7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5
SHA512 ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

memory/2528-12-0x000007FEF647E000-0x000007FEF647F000-memory.dmp

memory/2528-13-0x000007FEF61C0000-0x000007FEF6B5D000-memory.dmp

memory/2528-14-0x000007FEF61C0000-0x000007FEF6B5D000-memory.dmp

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

MD5 fd9217f84d0905c90c70e5185279ef32
SHA1 3def553d671bd944bf44b441d68a74d32bb60793
SHA256 5adb4ef31afd54f36b53f101f84af18ee40c873e2d62e3ed5bb1a20d51161bf9
SHA512 09c76b53f0dbba7c3114f58850122a24c49070e0a9032322aa7ae7e4f0a1afb8bec14d12ed2d41d590864218945f61d2c3a29d15c9a094d77f3d5cf76a587351

memory/2528-16-0x000007FEF61C0000-0x000007FEF6B5D000-memory.dmp

memory/2528-18-0x000007FEF61C0000-0x000007FEF6B5D000-memory.dmp

memory/2528-17-0x000007FEF61C0000-0x000007FEF6B5D000-memory.dmp

memory/2528-20-0x000007FEF61C0000-0x000007FEF6B5D000-memory.dmp

memory/2528-19-0x000007FEF61C0000-0x000007FEF6B5D000-memory.dmp

memory/2528-21-0x000007FEF61C0000-0x000007FEF6B5D000-memory.dmp

memory/2528-22-0x000007FEF61C0000-0x000007FEF6B5D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-08 08:45

Reported

2025-01-08 08:47

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\14b3ee879c5359fba5383b2614fe6a3d767152a3f5fba2826c3e21719397cb51.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\14b3ee879c5359fba5383b2614fe6a3d767152a3f5fba2826c3e21719397cb51.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\14b3ee879c5359fba5383b2614fe6a3d767152a3f5fba2826c3e21719397cb51.exe

"C:\Users\Admin\AppData\Local\Temp\14b3ee879c5359fba5383b2614fe6a3d767152a3f5fba2826c3e21719397cb51.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54393806 -chipde -fdd803f5d5a74a8db7419bad545b84ce - -BLUB2 -cmnfmqmgllehretg -393574

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 180.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.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 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 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/4384-8-0x00007FFEFA385000-0x00007FFEFA386000-memory.dmp

memory/4384-9-0x00007FFEFA0D0000-0x00007FFEFAA71000-memory.dmp

memory/4384-10-0x000000001BB90000-0x000000001C05E000-memory.dmp

memory/4384-11-0x000000001C110000-0x000000001C1B6000-memory.dmp

memory/4384-12-0x000000001C260000-0x000000001C2FC000-memory.dmp

memory/4384-13-0x00007FFEFA0D0000-0x00007FFEFAA71000-memory.dmp

memory/4384-14-0x0000000000E90000-0x0000000000E98000-memory.dmp

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

MD5 fd9217f84d0905c90c70e5185279ef32
SHA1 3def553d671bd944bf44b441d68a74d32bb60793
SHA256 5adb4ef31afd54f36b53f101f84af18ee40c873e2d62e3ed5bb1a20d51161bf9
SHA512 09c76b53f0dbba7c3114f58850122a24c49070e0a9032322aa7ae7e4f0a1afb8bec14d12ed2d41d590864218945f61d2c3a29d15c9a094d77f3d5cf76a587351

memory/4384-16-0x00007FFEFA0D0000-0x00007FFEFAA71000-memory.dmp

memory/4384-17-0x00007FFEFA0D0000-0x00007FFEFAA71000-memory.dmp

memory/4384-18-0x00007FFEFA0D0000-0x00007FFEFAA71000-memory.dmp

memory/4384-19-0x00007FFEFA0D0000-0x00007FFEFAA71000-memory.dmp

memory/4384-20-0x00007FFEFA0D0000-0x00007FFEFAA71000-memory.dmp

memory/4384-21-0x00007FFEFA0D0000-0x00007FFEFAA71000-memory.dmp

memory/4384-22-0x00007FFEFA385000-0x00007FFEFA386000-memory.dmp

memory/4384-23-0x00007FFEFA0D0000-0x00007FFEFAA71000-memory.dmp

memory/4384-25-0x00007FFEFA0D0000-0x00007FFEFAA71000-memory.dmp