Malware Analysis Report

2025-04-14 05:10

Sample ID 250107-j983bsvkal
Target 9b217ed26002163a78fbabb57743cb9fa9aeea7710dff1aaf627205a2f78a0beN.exe
SHA256 9b217ed26002163a78fbabb57743cb9fa9aeea7710dff1aaf627205a2f78a0be
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

9b217ed26002163a78fbabb57743cb9fa9aeea7710dff1aaf627205a2f78a0be

Threat Level: Known bad

The file 9b217ed26002163a78fbabb57743cb9fa9aeea7710dff1aaf627205a2f78a0beN.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 SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-07 08:23

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-07 08:23

Reported

2025-01-07 08:25

Platform

win7-20240903-en

Max time kernel

21s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9b217ed26002163a78fbabb57743cb9fa9aeea7710dff1aaf627205a2f78a0beN.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\9b217ed26002163a78fbabb57743cb9fa9aeea7710dff1aaf627205a2f78a0beN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9b217ed26002163a78fbabb57743cb9fa9aeea7710dff1aaf627205a2f78a0beN.exe

"C:\Users\Admin\AppData\Local\Temp\9b217ed26002163a78fbabb57743cb9fa9aeea7710dff1aaf627205a2f78a0beN.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -58380328 -chipde -3385c4d5bbba41aea19e98aac695592f - -BLUB1 -fqeslcazpcwecves -393562

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/2724-12-0x000007FEF5CEE000-0x000007FEF5CEF000-memory.dmp

memory/2724-13-0x000007FEF5A30000-0x000007FEF63CD000-memory.dmp

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

MD5 691eeb5bb9302d9fb7261bf7117f6dae
SHA1 d089b8cb869ddf0735d07a2e5c7a583432be46ca
SHA256 743ae401a4be5eda66e580aeb4b98539ef58c65c507abe9924f582a7b17bed51
SHA512 4006216867d0ff56feff6e682004ff18f74fed414ddbd6c6703c6a3e6ed6c41291728a07440df87f2a86271dff723d77250967a05f1b6c8cf2f70d6761ef1ce0

memory/2724-14-0x000007FEF5A30000-0x000007FEF63CD000-memory.dmp

memory/2724-16-0x000007FEF5A30000-0x000007FEF63CD000-memory.dmp

memory/2724-17-0x000007FEF5A30000-0x000007FEF63CD000-memory.dmp

memory/2724-18-0x000007FEF5A30000-0x000007FEF63CD000-memory.dmp

memory/2724-19-0x000007FEF5A30000-0x000007FEF63CD000-memory.dmp

memory/2724-20-0x000007FEF5A30000-0x000007FEF63CD000-memory.dmp

memory/2724-21-0x000007FEF5A30000-0x000007FEF63CD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-07 08:23

Reported

2025-01-07 08:25

Platform

win10v2004-20241007-en

Max time kernel

92s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9b217ed26002163a78fbabb57743cb9fa9aeea7710dff1aaf627205a2f78a0beN.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\9b217ed26002163a78fbabb57743cb9fa9aeea7710dff1aaf627205a2f78a0beN.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\9b217ed26002163a78fbabb57743cb9fa9aeea7710dff1aaf627205a2f78a0beN.exe

"C:\Users\Admin\AppData\Local\Temp\9b217ed26002163a78fbabb57743cb9fa9aeea7710dff1aaf627205a2f78a0beN.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -58380328 -chipde -3385c4d5bbba41aea19e98aac695592f - -BLUB1 -ayhhangqlfoauvsn -262290

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 20.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 thinklabs-ltd.de udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa 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 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 182.129.81.91.in-addr.arpa udp

Files

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

MD5 317ec5f92cfbf04a53e8125b66b3b4af
SHA1 16068b8977b4dc562ae782d91bc009472667e331
SHA256 7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5
SHA512 ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

memory/4536-8-0x00007FFDE16B5000-0x00007FFDE16B6000-memory.dmp

memory/4536-10-0x000000001BE60000-0x000000001C32E000-memory.dmp

memory/4536-9-0x00007FFDE1400000-0x00007FFDE1DA1000-memory.dmp

memory/4536-12-0x000000001B8A0000-0x000000001B946000-memory.dmp

memory/4536-11-0x00007FFDE1400000-0x00007FFDE1DA1000-memory.dmp

memory/4536-13-0x000000001C410000-0x000000001C4AC000-memory.dmp

memory/4536-14-0x000000001B960000-0x000000001B968000-memory.dmp

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

MD5 691eeb5bb9302d9fb7261bf7117f6dae
SHA1 d089b8cb869ddf0735d07a2e5c7a583432be46ca
SHA256 743ae401a4be5eda66e580aeb4b98539ef58c65c507abe9924f582a7b17bed51
SHA512 4006216867d0ff56feff6e682004ff18f74fed414ddbd6c6703c6a3e6ed6c41291728a07440df87f2a86271dff723d77250967a05f1b6c8cf2f70d6761ef1ce0

memory/4536-16-0x00007FFDE1400000-0x00007FFDE1DA1000-memory.dmp

memory/4536-17-0x00007FFDE1400000-0x00007FFDE1DA1000-memory.dmp

memory/4536-18-0x00007FFDE1400000-0x00007FFDE1DA1000-memory.dmp

memory/4536-19-0x00007FFDE1400000-0x00007FFDE1DA1000-memory.dmp

memory/4536-20-0x00007FFDE1400000-0x00007FFDE1DA1000-memory.dmp

memory/4536-21-0x00007FFDE1400000-0x00007FFDE1DA1000-memory.dmp

memory/4536-22-0x00007FFDE16B5000-0x00007FFDE16B6000-memory.dmp

memory/4536-23-0x00007FFDE1400000-0x00007FFDE1DA1000-memory.dmp

memory/4536-24-0x00007FFDE1400000-0x00007FFDE1DA1000-memory.dmp

memory/4536-26-0x00007FFDE1400000-0x00007FFDE1DA1000-memory.dmp