Malware Analysis Report

2025-04-14 05:11

Sample ID 250109-cgakqstjew
Target 75bec88796f685c375306df89b5d760166f643fc3016153c791f4a3c1e8e9051.exe
SHA256 75bec88796f685c375306df89b5d760166f643fc3016153c791f4a3c1e8e9051
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

75bec88796f685c375306df89b5d760166f643fc3016153c791f4a3c1e8e9051

Threat Level: Known bad

The file 75bec88796f685c375306df89b5d760166f643fc3016153c791f4a3c1e8e9051.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

Unsigned PE

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

2025-01-09 02:02

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-09 02:02

Reported

2025-01-09 02:04

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\75bec88796f685c375306df89b5d760166f643fc3016153c791f4a3c1e8e9051.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\75bec88796f685c375306df89b5d760166f643fc3016153c791f4a3c1e8e9051.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\75bec88796f685c375306df89b5d760166f643fc3016153c791f4a3c1e8e9051.exe

"C:\Users\Admin\AppData\Local\Temp\75bec88796f685c375306df89b5d760166f643fc3016153c791f4a3c1e8e9051.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -1810 -winsoftware -e1ac8fb70a084649b6dc336e6c6f9316 - - -ljdrdfrtuuvbzmhf -393560

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/2324-12-0x000007FEF5B2E000-0x000007FEF5B2F000-memory.dmp

memory/2324-13-0x000007FEF5870000-0x000007FEF620D000-memory.dmp

memory/2324-14-0x000007FEF5870000-0x000007FEF620D000-memory.dmp

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

MD5 1134068ed14168f35a6a80a1bd412fe5
SHA1 c916231e51a8308a362d2b18f6419141616e5137
SHA256 99b59ce842dfbacbe26e8749b0a76205e8eb061acb7647adb5121f25c82317e4
SHA512 50008f8b09490be5bf2e23d85f436b31be2bbab0c95842ac34be5bf4da6cd9d6aeaaa699d180cc2106c2405a053b9f5586aa976535fe85e883394a5ebbf3df09

memory/2324-16-0x000007FEF5870000-0x000007FEF620D000-memory.dmp

memory/2324-17-0x000007FEF5870000-0x000007FEF620D000-memory.dmp

memory/2324-18-0x000007FEF5870000-0x000007FEF620D000-memory.dmp

memory/2324-19-0x000007FEF5870000-0x000007FEF620D000-memory.dmp

memory/2324-20-0x000007FEF5870000-0x000007FEF620D000-memory.dmp

memory/2324-21-0x000007FEF5B2E000-0x000007FEF5B2F000-memory.dmp

memory/2324-22-0x000007FEF5870000-0x000007FEF620D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-09 02:02

Reported

2025-01-09 02:04

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\75bec88796f685c375306df89b5d760166f643fc3016153c791f4a3c1e8e9051.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\75bec88796f685c375306df89b5d760166f643fc3016153c791f4a3c1e8e9051.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\75bec88796f685c375306df89b5d760166f643fc3016153c791f4a3c1e8e9051.exe

"C:\Users\Admin\AppData\Local\Temp\75bec88796f685c375306df89b5d760166f643fc3016153c791f4a3c1e8e9051.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -1810 -winsoftware -e1ac8fb70a084649b6dc336e6c6f9316 - - -umgswtcmyllrvocr -786510

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 20.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.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 95.221.229.192.in-addr.arpa udp
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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 86.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 60.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp

Files

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

MD5 317ec5f92cfbf04a53e8125b66b3b4af
SHA1 16068b8977b4dc562ae782d91bc009472667e331
SHA256 7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5
SHA512 ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

memory/2192-8-0x00007FF9E30B5000-0x00007FF9E30B6000-memory.dmp

memory/2192-9-0x00007FF9E2E00000-0x00007FF9E37A1000-memory.dmp

memory/2192-10-0x000000001BBE0000-0x000000001C0AE000-memory.dmp

memory/2192-11-0x000000001B510000-0x000000001B5B6000-memory.dmp

memory/2192-12-0x000000001C0B0000-0x000000001C14C000-memory.dmp

memory/2192-13-0x0000000000F30000-0x0000000000F38000-memory.dmp

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

MD5 1134068ed14168f35a6a80a1bd412fe5
SHA1 c916231e51a8308a362d2b18f6419141616e5137
SHA256 99b59ce842dfbacbe26e8749b0a76205e8eb061acb7647adb5121f25c82317e4
SHA512 50008f8b09490be5bf2e23d85f436b31be2bbab0c95842ac34be5bf4da6cd9d6aeaaa699d180cc2106c2405a053b9f5586aa976535fe85e883394a5ebbf3df09

memory/2192-15-0x00007FF9E2E00000-0x00007FF9E37A1000-memory.dmp

memory/2192-16-0x00007FF9E2E00000-0x00007FF9E37A1000-memory.dmp

memory/2192-17-0x00007FF9E2E00000-0x00007FF9E37A1000-memory.dmp

memory/2192-18-0x00007FF9E2E00000-0x00007FF9E37A1000-memory.dmp

memory/2192-19-0x00007FF9E2E00000-0x00007FF9E37A1000-memory.dmp

memory/2192-20-0x00007FF9E2E00000-0x00007FF9E37A1000-memory.dmp

memory/2192-21-0x00007FF9E2E00000-0x00007FF9E37A1000-memory.dmp

memory/2192-22-0x00007FF9E30B5000-0x00007FF9E30B6000-memory.dmp

memory/2192-23-0x00007FF9E2E00000-0x00007FF9E37A1000-memory.dmp

memory/2192-25-0x00007FF9E2E00000-0x00007FF9E37A1000-memory.dmp