Malware Analysis Report

2025-04-14 05:10

Sample ID 250107-nptt5azjat
Target eca76175f6383e64a87703ea66d87a19f8d79f8cc070054ac7227700e8c60b1e.exe
SHA256 eca76175f6383e64a87703ea66d87a19f8d79f8cc070054ac7227700e8c60b1e
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

eca76175f6383e64a87703ea66d87a19f8d79f8cc070054ac7227700e8c60b1e

Threat Level: Known bad

The file eca76175f6383e64a87703ea66d87a19f8d79f8cc070054ac7227700e8c60b1e.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 WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-07 11:34

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-07 11:34

Reported

2025-01-07 11:36

Platform

win7-20240903-en

Max time kernel

15s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\eca76175f6383e64a87703ea66d87a19f8d79f8cc070054ac7227700e8c60b1e.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\eca76175f6383e64a87703ea66d87a19f8d79f8cc070054ac7227700e8c60b1e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\eca76175f6383e64a87703ea66d87a19f8d79f8cc070054ac7227700e8c60b1e.exe

"C:\Users\Admin\AppData\Local\Temp\eca76175f6383e64a87703ea66d87a19f8d79f8cc070054ac7227700e8c60b1e.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54426709 -chipde -e0beb46587cb4c9ab330b1054a555956 - -BLUB1 -kamnvmamrflqyhlx -524704

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/2092-12-0x000007FEF628E000-0x000007FEF628F000-memory.dmp

memory/2092-13-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

memory/2092-15-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

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

MD5 7335cc42425efd01318993ee9cd5c87c
SHA1 d7159492536dfa3efa206caad0708e12726b4130
SHA256 fb80addb7a3e97ff1e1a2c64505951dd2408c7a82bff44f60922551832ce859e
SHA512 c7f0a416cd98c3f39d01f03da73d39481168536d72b82f4b8f854fa9fa0d1b068d09e8b9dc1aae8ef137068ac6bcc8635c42ec3ebd8cbf495fde5b1465943339

memory/2092-16-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

memory/2092-17-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

memory/2092-18-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

memory/2092-19-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

memory/2092-20-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

memory/2092-21-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

memory/2092-22-0x000007FEF628E000-0x000007FEF628F000-memory.dmp

memory/2092-23-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

memory/2092-24-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

memory/2092-25-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-07 11:34

Reported

2025-01-07 11:36

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\eca76175f6383e64a87703ea66d87a19f8d79f8cc070054ac7227700e8c60b1e.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\eca76175f6383e64a87703ea66d87a19f8d79f8cc070054ac7227700e8c60b1e.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\eca76175f6383e64a87703ea66d87a19f8d79f8cc070054ac7227700e8c60b1e.exe

"C:\Users\Admin\AppData\Local\Temp\eca76175f6383e64a87703ea66d87a19f8d79f8cc070054ac7227700e8c60b1e.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54426709 -chipde -e0beb46587cb4c9ab330b1054a555956 - -BLUB1 -ozdxpmiqvszxogln -327826

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 8.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.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 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.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 86.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 181.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

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

MD5 317ec5f92cfbf04a53e8125b66b3b4af
SHA1 16068b8977b4dc562ae782d91bc009472667e331
SHA256 7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5
SHA512 ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

memory/3872-8-0x00007FFDC0B05000-0x00007FFDC0B06000-memory.dmp

memory/3872-10-0x000000001BBA0000-0x000000001C06E000-memory.dmp

memory/3872-9-0x00007FFDC0850000-0x00007FFDC11F1000-memory.dmp

memory/3872-11-0x000000001B5E0000-0x000000001B686000-memory.dmp

memory/3872-12-0x000000001C150000-0x000000001C1EC000-memory.dmp

memory/3872-13-0x000000001B6A0000-0x000000001B6A8000-memory.dmp

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

MD5 7335cc42425efd01318993ee9cd5c87c
SHA1 d7159492536dfa3efa206caad0708e12726b4130
SHA256 fb80addb7a3e97ff1e1a2c64505951dd2408c7a82bff44f60922551832ce859e
SHA512 c7f0a416cd98c3f39d01f03da73d39481168536d72b82f4b8f854fa9fa0d1b068d09e8b9dc1aae8ef137068ac6bcc8635c42ec3ebd8cbf495fde5b1465943339

memory/3872-15-0x00007FFDC0850000-0x00007FFDC11F1000-memory.dmp

memory/3872-16-0x00007FFDC0850000-0x00007FFDC11F1000-memory.dmp

memory/3872-17-0x00007FFDC0850000-0x00007FFDC11F1000-memory.dmp

memory/3872-18-0x00007FFDC0850000-0x00007FFDC11F1000-memory.dmp

memory/3872-19-0x00007FFDC0850000-0x00007FFDC11F1000-memory.dmp

memory/3872-20-0x00007FFDC0850000-0x00007FFDC11F1000-memory.dmp

memory/3872-21-0x00007FFDC0850000-0x00007FFDC11F1000-memory.dmp

memory/3872-22-0x00007FFDC0B05000-0x00007FFDC0B06000-memory.dmp

memory/3872-23-0x00007FFDC0850000-0x00007FFDC11F1000-memory.dmp

memory/3872-25-0x00007FFDC0850000-0x00007FFDC11F1000-memory.dmp