Malware Analysis Report

2025-04-14 05:12

Sample ID 250104-ng1byazjfl
Target JaffaCakes118_796a6ca0d6d847a14e99c4f3e4d8ecc0
SHA256 eada1b1bd0ff4b90ac8e2c524edb9b9f727a4ffb24f8e4e61610b6d03408b42c
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

eada1b1bd0ff4b90ac8e2c524edb9b9f727a4ffb24f8e4e61610b6d03408b42c

Threat Level: Known bad

The file JaffaCakes118_796a6ca0d6d847a14e99c4f3e4d8ecc0 was found to be: Known bad.

Malicious Activity Summary

revengerat discovery stealer trojan

RevengeRAT

Revengerat family

RevengeRat Executable

Loads dropped DLL

Executes dropped EXE

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

2025-01-04 11:22

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-04 11:22

Reported

2025-01-04 11:25

Platform

win7-20241023-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_796a6ca0d6d847a14e99c4f3e4d8ecc0.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_796a6ca0d6d847a14e99c4f3e4d8ecc0.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_796a6ca0d6d847a14e99c4f3e4d8ecc0.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_796a6ca0d6d847a14e99c4f3e4d8ecc0.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -63844147 -chipde -5498a814a1b54a22b73c01830f69c4dc - -BLUB1 -hnfkxhoqqzvbvejo -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

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

MD5 317ec5f92cfbf04a53e8125b66b3b4af
SHA1 16068b8977b4dc562ae782d91bc009472667e331
SHA256 7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5
SHA512 ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

memory/2088-12-0x000007FEF6AFE000-0x000007FEF6AFF000-memory.dmp

memory/2088-13-0x000007FEF6840000-0x000007FEF71DD000-memory.dmp

memory/2088-14-0x000007FEF6840000-0x000007FEF71DD000-memory.dmp

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

MD5 272e8336963f3e6867e9adfa13972864
SHA1 56f15b8faa92316a85a99897c9cf6fcdcd26bc94
SHA256 fda17c8cff015be352ab2a4347b9cbc9a1c42c007094d8c526db3ab0e7cad0a5
SHA512 d5a521f4ae5bb56b57e52eecd95fab4bc4cf3f60ec8b1a6c4c22f3f978ad96b74dc6b5a8aea27959e4edde68621fc4374cd2a2f4544e59a087f559b1ffc10ab8

memory/2088-16-0x000007FEF6840000-0x000007FEF71DD000-memory.dmp

memory/2088-17-0x000007FEF6840000-0x000007FEF71DD000-memory.dmp

memory/2088-18-0x000007FEF6840000-0x000007FEF71DD000-memory.dmp

memory/2088-20-0x000007FEF6840000-0x000007FEF71DD000-memory.dmp

memory/2088-19-0x000007FEF6840000-0x000007FEF71DD000-memory.dmp

memory/2088-21-0x000007FEF6840000-0x000007FEF71DD000-memory.dmp

memory/2088-22-0x000007FEF6840000-0x000007FEF71DD000-memory.dmp

memory/2088-23-0x000007FEF6840000-0x000007FEF71DD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-04 11:22

Reported

2025-01-04 11:25

Platform

win10v2004-20241007-en

Max time kernel

96s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_796a6ca0d6d847a14e99c4f3e4d8ecc0.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_796a6ca0d6d847a14e99c4f3e4d8ecc0.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_796a6ca0d6d847a14e99c4f3e4d8ecc0.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_796a6ca0d6d847a14e99c4f3e4d8ecc0.exe"

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

C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -63844147 -chipde -5498a814a1b54a22b73c01830f69c4dc - -BLUB1 -reudhettesrmrgko -589928

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.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 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 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 22.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 182.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

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

MD5 317ec5f92cfbf04a53e8125b66b3b4af
SHA1 16068b8977b4dc562ae782d91bc009472667e331
SHA256 7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5
SHA512 ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

memory/4272-8-0x00007FFAC2485000-0x00007FFAC2486000-memory.dmp

memory/4272-9-0x000000001B760000-0x000000001BC2E000-memory.dmp

memory/4272-10-0x00007FFAC21D0000-0x00007FFAC2B71000-memory.dmp

memory/4272-11-0x000000001BCE0000-0x000000001BD86000-memory.dmp

memory/4272-12-0x000000001BE50000-0x000000001BEEC000-memory.dmp

memory/4272-13-0x00007FFAC21D0000-0x00007FFAC2B71000-memory.dmp

memory/4272-14-0x0000000000E80000-0x0000000000E88000-memory.dmp

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

MD5 272e8336963f3e6867e9adfa13972864
SHA1 56f15b8faa92316a85a99897c9cf6fcdcd26bc94
SHA256 fda17c8cff015be352ab2a4347b9cbc9a1c42c007094d8c526db3ab0e7cad0a5
SHA512 d5a521f4ae5bb56b57e52eecd95fab4bc4cf3f60ec8b1a6c4c22f3f978ad96b74dc6b5a8aea27959e4edde68621fc4374cd2a2f4544e59a087f559b1ffc10ab8

memory/4272-16-0x00007FFAC21D0000-0x00007FFAC2B71000-memory.dmp

memory/4272-17-0x00007FFAC21D0000-0x00007FFAC2B71000-memory.dmp

memory/4272-18-0x00007FFAC21D0000-0x00007FFAC2B71000-memory.dmp

memory/4272-19-0x00007FFAC21D0000-0x00007FFAC2B71000-memory.dmp

memory/4272-20-0x00007FFAC21D0000-0x00007FFAC2B71000-memory.dmp

memory/4272-21-0x00007FFAC21D0000-0x00007FFAC2B71000-memory.dmp

memory/4272-22-0x00007FFAC2485000-0x00007FFAC2486000-memory.dmp

memory/4272-23-0x00007FFAC21D0000-0x00007FFAC2B71000-memory.dmp

memory/4272-24-0x00007FFAC21D0000-0x00007FFAC2B71000-memory.dmp

memory/4272-26-0x00007FFAC21D0000-0x00007FFAC2B71000-memory.dmp