Malware Analysis Report

2025-04-14 05:12

Sample ID 250104-gm5ehsxpfj
Target JaffaCakes118_7807f36ae4b5685b7219c3afb6d1cf40
SHA256 db927b742687c4dbae86fd0c5adb206968c854df2382a1b9a742d85aa5d704ac
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

db927b742687c4dbae86fd0c5adb206968c854df2382a1b9a742d85aa5d704ac

Threat Level: Known bad

The file JaffaCakes118_7807f36ae4b5685b7219c3afb6d1cf40 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 AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-04 05:56

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-04 05:56

Reported

2025-01-04 05:58

Platform

win7-20241010-en

Max time kernel

14s

Max time network

20s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7807f36ae4b5685b7219c3afb6d1cf40.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\JaffaCakes118_7807f36ae4b5685b7219c3afb6d1cf40.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7807f36ae4b5685b7219c3afb6d1cf40.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7807f36ae4b5685b7219c3afb6d1cf40.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 -wekpuwyidxfthbua -459146

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/2716-12-0x000007FEF4ACE000-0x000007FEF4ACF000-memory.dmp

memory/2716-13-0x000007FEF4810000-0x000007FEF51AD000-memory.dmp

memory/2716-14-0x000007FEF4810000-0x000007FEF51AD000-memory.dmp

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

MD5 7335cc42425efd01318993ee9cd5c87c
SHA1 d7159492536dfa3efa206caad0708e12726b4130
SHA256 fb80addb7a3e97ff1e1a2c64505951dd2408c7a82bff44f60922551832ce859e
SHA512 c7f0a416cd98c3f39d01f03da73d39481168536d72b82f4b8f854fa9fa0d1b068d09e8b9dc1aae8ef137068ac6bcc8635c42ec3ebd8cbf495fde5b1465943339

memory/2716-16-0x000007FEF4810000-0x000007FEF51AD000-memory.dmp

memory/2716-17-0x000007FEF4810000-0x000007FEF51AD000-memory.dmp

memory/2716-18-0x000007FEF4810000-0x000007FEF51AD000-memory.dmp

memory/2716-19-0x000007FEF4810000-0x000007FEF51AD000-memory.dmp

memory/2716-20-0x000007FEF4ACE000-0x000007FEF4ACF000-memory.dmp

memory/2716-21-0x000007FEF4810000-0x000007FEF51AD000-memory.dmp

memory/2716-22-0x000007FEF4810000-0x000007FEF51AD000-memory.dmp

memory/2716-23-0x000007FEF4810000-0x000007FEF51AD000-memory.dmp

memory/2716-24-0x000007FEF4810000-0x000007FEF51AD000-memory.dmp

memory/2716-25-0x000007FEF4810000-0x000007FEF51AD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-04 05:56

Reported

2025-01-04 05:58

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7807f36ae4b5685b7219c3afb6d1cf40.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\JaffaCakes118_7807f36ae4b5685b7219c3afb6d1cf40.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\JaffaCakes118_7807f36ae4b5685b7219c3afb6d1cf40.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7807f36ae4b5685b7219c3afb6d1cf40.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 -jkldllsibjddwjxp -655448

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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.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
US 8.8.8.8:53 237.175.9.176.in-addr.arpa udp
DE 176.9.175.234:443 bin.download-sponsor.de tcp
US 8.8.8.8:53 234.175.9.176.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 166.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 181.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

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

MD5 317ec5f92cfbf04a53e8125b66b3b4af
SHA1 16068b8977b4dc562ae782d91bc009472667e331
SHA256 7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5
SHA512 ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

memory/1084-8-0x00007FFEC9995000-0x00007FFEC9996000-memory.dmp

memory/1084-10-0x000000001BD90000-0x000000001C25E000-memory.dmp

memory/1084-9-0x00007FFEC96E0000-0x00007FFECA081000-memory.dmp

memory/1084-11-0x000000001B7E0000-0x000000001B886000-memory.dmp

memory/1084-12-0x000000001C300000-0x000000001C39C000-memory.dmp

memory/1084-13-0x00000000011E0000-0x00000000011E8000-memory.dmp

memory/1084-14-0x00007FFEC96E0000-0x00007FFECA081000-memory.dmp

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

MD5 7335cc42425efd01318993ee9cd5c87c
SHA1 d7159492536dfa3efa206caad0708e12726b4130
SHA256 fb80addb7a3e97ff1e1a2c64505951dd2408c7a82bff44f60922551832ce859e
SHA512 c7f0a416cd98c3f39d01f03da73d39481168536d72b82f4b8f854fa9fa0d1b068d09e8b9dc1aae8ef137068ac6bcc8635c42ec3ebd8cbf495fde5b1465943339

memory/1084-16-0x00007FFEC96E0000-0x00007FFECA081000-memory.dmp

memory/1084-17-0x00007FFEC96E0000-0x00007FFECA081000-memory.dmp

memory/1084-18-0x00007FFEC96E0000-0x00007FFECA081000-memory.dmp

memory/1084-19-0x00007FFEC96E0000-0x00007FFECA081000-memory.dmp

memory/1084-20-0x00007FFEC96E0000-0x00007FFECA081000-memory.dmp

memory/1084-21-0x00007FFEC96E0000-0x00007FFECA081000-memory.dmp

memory/1084-22-0x00007FFEC9995000-0x00007FFEC9996000-memory.dmp

memory/1084-23-0x00007FFEC96E0000-0x00007FFECA081000-memory.dmp

memory/1084-24-0x00007FFEC96E0000-0x00007FFECA081000-memory.dmp

memory/1084-26-0x00007FFEC96E0000-0x00007FFECA081000-memory.dmp