Malware Analysis Report

2025-04-14 05:12

Sample ID 250104-j4hcessqhn
Target JaffaCakes118_789ed4474b7f36714be603b81336b6b0
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 JaffaCakes118_789ed4474b7f36714be603b81336b6b0 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 WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-04 08:13

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-04 08:13

Reported

2025-01-04 08:15

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_789ed4474b7f36714be603b81336b6b0.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_789ed4474b7f36714be603b81336b6b0.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_789ed4474b7f36714be603b81336b6b0.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_789ed4474b7f36714be603b81336b6b0.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 -kdtwkvoywsojijyp -393558

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/2344-12-0x000007FEF5E0E000-0x000007FEF5E0F000-memory.dmp

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

MD5 691eeb5bb9302d9fb7261bf7117f6dae
SHA1 d089b8cb869ddf0735d07a2e5c7a583432be46ca
SHA256 743ae401a4be5eda66e580aeb4b98539ef58c65c507abe9924f582a7b17bed51
SHA512 4006216867d0ff56feff6e682004ff18f74fed414ddbd6c6703c6a3e6ed6c41291728a07440df87f2a86271dff723d77250967a05f1b6c8cf2f70d6761ef1ce0

memory/2344-14-0x000007FEF5B50000-0x000007FEF64ED000-memory.dmp

memory/2344-15-0x000007FEF5B50000-0x000007FEF64ED000-memory.dmp

memory/2344-16-0x000007FEF5B50000-0x000007FEF64ED000-memory.dmp

memory/2344-17-0x000007FEF5B50000-0x000007FEF64ED000-memory.dmp

memory/2344-18-0x000007FEF5B50000-0x000007FEF64ED000-memory.dmp

memory/2344-20-0x000007FEF5B50000-0x000007FEF64ED000-memory.dmp

memory/2344-19-0x000007FEF5B50000-0x000007FEF64ED000-memory.dmp

memory/2344-21-0x000007FEF5B50000-0x000007FEF64ED000-memory.dmp

memory/2344-22-0x000007FEF5E0E000-0x000007FEF5E0F000-memory.dmp

memory/2344-23-0x000007FEF5B50000-0x000007FEF64ED000-memory.dmp

memory/2344-24-0x000007FEF5B50000-0x000007FEF64ED000-memory.dmp

memory/2344-25-0x000007FEF5B50000-0x000007FEF64ED000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-04 08:13

Reported

2025-01-04 08:15

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_789ed4474b7f36714be603b81336b6b0.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_789ed4474b7f36714be603b81336b6b0.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_789ed4474b7f36714be603b81336b6b0.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_789ed4474b7f36714be603b81336b6b0.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 -uvcriypracuqyjhl -327826

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 13.86.106.20.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 8.8.8.8:53 172.214.232.199.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 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 167.190.18.2.in-addr.arpa udp

Files

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

MD5 317ec5f92cfbf04a53e8125b66b3b4af
SHA1 16068b8977b4dc562ae782d91bc009472667e331
SHA256 7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5
SHA512 ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

memory/2292-8-0x00007FFC4B595000-0x00007FFC4B596000-memory.dmp

memory/2292-9-0x000000001C230000-0x000000001C6FE000-memory.dmp

memory/2292-10-0x00007FFC4B2E0000-0x00007FFC4BC81000-memory.dmp

memory/2292-11-0x000000001BC90000-0x000000001BD36000-memory.dmp

memory/2292-12-0x000000001C7A0000-0x000000001C83C000-memory.dmp

memory/2292-13-0x00007FFC4B2E0000-0x00007FFC4BC81000-memory.dmp

memory/2292-14-0x0000000001580000-0x0000000001588000-memory.dmp

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

MD5 691eeb5bb9302d9fb7261bf7117f6dae
SHA1 d089b8cb869ddf0735d07a2e5c7a583432be46ca
SHA256 743ae401a4be5eda66e580aeb4b98539ef58c65c507abe9924f582a7b17bed51
SHA512 4006216867d0ff56feff6e682004ff18f74fed414ddbd6c6703c6a3e6ed6c41291728a07440df87f2a86271dff723d77250967a05f1b6c8cf2f70d6761ef1ce0

memory/2292-16-0x00007FFC4B2E0000-0x00007FFC4BC81000-memory.dmp

memory/2292-17-0x00007FFC4B2E0000-0x00007FFC4BC81000-memory.dmp

memory/2292-18-0x00007FFC4B2E0000-0x00007FFC4BC81000-memory.dmp

memory/2292-19-0x00007FFC4B2E0000-0x00007FFC4BC81000-memory.dmp

memory/2292-20-0x00007FFC4B2E0000-0x00007FFC4BC81000-memory.dmp

memory/2292-21-0x00007FFC4B2E0000-0x00007FFC4BC81000-memory.dmp

memory/2292-22-0x00007FFC4B595000-0x00007FFC4B596000-memory.dmp

memory/2292-23-0x00007FFC4B2E0000-0x00007FFC4BC81000-memory.dmp

memory/2292-24-0x00007FFC4B2E0000-0x00007FFC4BC81000-memory.dmp

memory/2292-26-0x00007FFC4B2E0000-0x00007FFC4BC81000-memory.dmp