Malware Analysis Report

2025-04-14 05:11

Sample ID 250108-n66v1sypdt
Target 64dbca00402e13b9f35d2a31c3b0d141a9c18e6595be81df8218459f7e5fb09bN.exe
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 64dbca00402e13b9f35d2a31c3b0d141a9c18e6595be81df8218459f7e5fb09bN.exe was found to be: Known bad.

Malicious Activity Summary

revengerat discovery stealer trojan

Revengerat family

RevengeRAT

RevengeRat Executable

Loads dropped DLL

Executes dropped EXE

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

2025-01-08 12:01

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-08 12:01

Reported

2025-01-08 12:03

Platform

win7-20240708-en

Max time kernel

15s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\64dbca00402e13b9f35d2a31c3b0d141a9c18e6595be81df8218459f7e5fb09bN.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\64dbca00402e13b9f35d2a31c3b0d141a9c18e6595be81df8218459f7e5fb09bN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\64dbca00402e13b9f35d2a31c3b0d141a9c18e6595be81df8218459f7e5fb09bN.exe

"C:\Users\Admin\AppData\Local\Temp\64dbca00402e13b9f35d2a31c3b0d141a9c18e6595be81df8218459f7e5fb09bN.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 -qmkrlkcpwvxejuvf -393562

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/1944-12-0x000007FEF5AEE000-0x000007FEF5AEF000-memory.dmp

memory/1944-13-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp

memory/1944-14-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp

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

MD5 554c958af8e777de5241f6866c2cb094
SHA1 c57bf0c3deb54c771a388830a42fd1a59919fd38
SHA256 9f99f128ddc8e368c6353f84932c964f3935d49401540bae14a5d69a6684a2eb
SHA512 f2d3b80d91f1595415120e0b18ecf022d7aa40d0478b4795dfb61534c83f18a7b97a86745158e6c52da6d62141b1e4695b1e3241fbb12f64f9dc675f2d7a9ff6

memory/1944-16-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp

memory/1944-17-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp

memory/1944-18-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp

memory/1944-19-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp

memory/1944-20-0x000007FEF5AEE000-0x000007FEF5AEF000-memory.dmp

memory/1944-21-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-08 12:01

Reported

2025-01-08 12:03

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\64dbca00402e13b9f35d2a31c3b0d141a9c18e6595be81df8218459f7e5fb09bN.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\64dbca00402e13b9f35d2a31c3b0d141a9c18e6595be81df8218459f7e5fb09bN.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\64dbca00402e13b9f35d2a31c3b0d141a9c18e6595be81df8218459f7e5fb09bN.exe

"C:\Users\Admin\AppData\Local\Temp\64dbca00402e13b9f35d2a31c3b0d141a9c18e6595be81df8218459f7e5fb09bN.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 -mkfnitedbrzfpcak -262524

Network

Country Destination Domain Proto
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 75.159.190.20.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
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 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 133.130.81.91.in-addr.arpa udp
US 8.8.8.8:53 20.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 134.130.81.91.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/4660-10-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

memory/4660-9-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

memory/4660-8-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

memory/4660-11-0x000000001C030000-0x000000001C4FE000-memory.dmp

memory/4660-12-0x000000001B9E0000-0x000000001BA86000-memory.dmp

memory/4660-13-0x000000001C500000-0x000000001C59C000-memory.dmp

memory/4660-14-0x0000000001570000-0x0000000001578000-memory.dmp

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

MD5 554c958af8e777de5241f6866c2cb094
SHA1 c57bf0c3deb54c771a388830a42fd1a59919fd38
SHA256 9f99f128ddc8e368c6353f84932c964f3935d49401540bae14a5d69a6684a2eb
SHA512 f2d3b80d91f1595415120e0b18ecf022d7aa40d0478b4795dfb61534c83f18a7b97a86745158e6c52da6d62141b1e4695b1e3241fbb12f64f9dc675f2d7a9ff6

memory/4660-16-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

memory/4660-17-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

memory/4660-18-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

memory/4660-19-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

memory/4660-20-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

memory/4660-21-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

memory/4660-22-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

memory/4660-23-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

memory/4660-24-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

memory/4660-26-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp