Malware Analysis Report

2025-04-14 05:12

Sample ID 250104-k3t59svmcj
Target JaffaCakes118_78d6fcf1d224e7c7e9aedacd6813e630
SHA256 64dbca00402e13b9f35d2a31c3b0d141a9c18e6595be81df8218459f7e5fb09b
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

64dbca00402e13b9f35d2a31c3b0d141a9c18e6595be81df8218459f7e5fb09b

Threat Level: Known bad

The file JaffaCakes118_78d6fcf1d224e7c7e9aedacd6813e630 was found to be: Known bad.

Malicious Activity Summary

revengerat discovery stealer trojan

Revengerat family

RevengeRAT

RevengeRat Executable

Executes dropped EXE

Loads dropped DLL

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

2025-01-04 09:07

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-04 09:07

Reported

2025-01-04 09:10

Platform

win7-20240729-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78d6fcf1d224e7c7e9aedacd6813e630.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_78d6fcf1d224e7c7e9aedacd6813e630.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78d6fcf1d224e7c7e9aedacd6813e630.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78d6fcf1d224e7c7e9aedacd6813e630.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54394990 -chipde -f92b6440e5eb44fbaf79dea058dbd554 - -BLUB1 -xopfviykrvrlcfqp -459150

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/880-12-0x000007FEF5D0E000-0x000007FEF5D0F000-memory.dmp

memory/880-13-0x000007FEF5A50000-0x000007FEF63ED000-memory.dmp

memory/880-14-0x000007FEF5A50000-0x000007FEF63ED000-memory.dmp

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

MD5 554c958af8e777de5241f6866c2cb094
SHA1 c57bf0c3deb54c771a388830a42fd1a59919fd38
SHA256 9f99f128ddc8e368c6353f84932c964f3935d49401540bae14a5d69a6684a2eb
SHA512 f2d3b80d91f1595415120e0b18ecf022d7aa40d0478b4795dfb61534c83f18a7b97a86745158e6c52da6d62141b1e4695b1e3241fbb12f64f9dc675f2d7a9ff6

memory/880-16-0x000007FEF5A50000-0x000007FEF63ED000-memory.dmp

memory/880-17-0x000007FEF5A50000-0x000007FEF63ED000-memory.dmp

memory/880-18-0x000007FEF5A50000-0x000007FEF63ED000-memory.dmp

memory/880-19-0x000007FEF5A50000-0x000007FEF63ED000-memory.dmp

memory/880-20-0x000007FEF5A50000-0x000007FEF63ED000-memory.dmp

memory/880-21-0x000007FEF5A50000-0x000007FEF63ED000-memory.dmp

memory/880-22-0x000007FEF5A50000-0x000007FEF63ED000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-04 09:07

Reported

2025-01-04 09:10

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78d6fcf1d224e7c7e9aedacd6813e630.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_78d6fcf1d224e7c7e9aedacd6813e630.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_78d6fcf1d224e7c7e9aedacd6813e630.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78d6fcf1d224e7c7e9aedacd6813e630.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54394990 -chipde -f92b6440e5eb44fbaf79dea058dbd554 - -BLUB1 -jzbjmwwyyhrmptag -327824

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 60.153.16.2.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 95.221.229.192.in-addr.arpa udp
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 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 8.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 13.73.50.20.in-addr.arpa udp

Files

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

MD5 317ec5f92cfbf04a53e8125b66b3b4af
SHA1 16068b8977b4dc562ae782d91bc009472667e331
SHA256 7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5
SHA512 ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

memory/2032-8-0x00007FF918895000-0x00007FF918896000-memory.dmp

memory/2032-9-0x00007FF9185E0000-0x00007FF918F81000-memory.dmp

memory/2032-10-0x000000001BE50000-0x000000001C31E000-memory.dmp

memory/2032-11-0x000000001B8A0000-0x000000001B946000-memory.dmp

memory/2032-12-0x000000001C3C0000-0x000000001C45C000-memory.dmp

memory/2032-13-0x0000000001510000-0x0000000001518000-memory.dmp

memory/2032-14-0x00007FF9185E0000-0x00007FF918F81000-memory.dmp

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

MD5 554c958af8e777de5241f6866c2cb094
SHA1 c57bf0c3deb54c771a388830a42fd1a59919fd38
SHA256 9f99f128ddc8e368c6353f84932c964f3935d49401540bae14a5d69a6684a2eb
SHA512 f2d3b80d91f1595415120e0b18ecf022d7aa40d0478b4795dfb61534c83f18a7b97a86745158e6c52da6d62141b1e4695b1e3241fbb12f64f9dc675f2d7a9ff6

memory/2032-16-0x00007FF9185E0000-0x00007FF918F81000-memory.dmp

memory/2032-17-0x00007FF9185E0000-0x00007FF918F81000-memory.dmp

memory/2032-18-0x00007FF9185E0000-0x00007FF918F81000-memory.dmp

memory/2032-19-0x00007FF9185E0000-0x00007FF918F81000-memory.dmp

memory/2032-20-0x00007FF9185E0000-0x00007FF918F81000-memory.dmp

memory/2032-21-0x00007FF9185E0000-0x00007FF918F81000-memory.dmp

memory/2032-22-0x00007FF918895000-0x00007FF918896000-memory.dmp

memory/2032-23-0x00007FF9185E0000-0x00007FF918F81000-memory.dmp

memory/2032-25-0x00007FF9185E0000-0x00007FF918F81000-memory.dmp