Malware Analysis Report

2025-01-18 04:54

Sample ID 241012-hgj23aydlh
Target Client.exe
SHA256 4f6242573cd5b7b50a3091449e2df40fa3005d14a0389931b948782d11ab27e9
Tags
stealer guest revengerat discovery 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 Overview

score
10/10

SHA256

4f6242573cd5b7b50a3091449e2df40fa3005d14a0389931b948782d11ab27e9

Threat Level: Known bad

The file Client.exe was found to be: Known bad.

Malicious Activity Summary

stealer guest revengerat discovery trojan

RevengeRat Executable

Revengerat family

RevengeRAT

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Checks processor information in registry

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-12 06:42

Signatures

RevengeRat Executable

stealer
Description Indicator Process Target
N/A N/A N/A N/A

Revengerat family

revengerat

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-12 06:42

Reported

2024-10-12 06:42

Platform

win10v2004-20241007-en

Max time kernel

7s

Max time network

8s

Command Line

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

Signatures

RevengeRAT

trojan revengerat

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1492 set thread context of 1712 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1712 set thread context of 2760 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1492 wrote to memory of 1712 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1492 wrote to memory of 1712 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1492 wrote to memory of 1712 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1492 wrote to memory of 1712 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1492 wrote to memory of 1712 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1492 wrote to memory of 1712 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1492 wrote to memory of 1712 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1492 wrote to memory of 1712 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1712 wrote to memory of 2760 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1712 wrote to memory of 2760 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1712 wrote to memory of 2760 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1712 wrote to memory of 2760 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1712 wrote to memory of 2760 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1712 wrote to memory of 2760 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1712 wrote to memory of 2760 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1712 wrote to memory of 2760 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe

Processes

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

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

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 Pizd11337-26540.portmap.host udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
DE 193.161.193.99:26540 Pizd11337-26540.portmap.host tcp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 99.193.161.193.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp

Files

memory/1492-0-0x00007FFC4B6C5000-0x00007FFC4B6C6000-memory.dmp

memory/1492-1-0x00007FFC4B410000-0x00007FFC4BDB1000-memory.dmp

memory/1492-2-0x000000001BD40000-0x000000001C20E000-memory.dmp

memory/1492-3-0x000000001C210000-0x000000001C2B6000-memory.dmp

memory/1492-4-0x000000001C390000-0x000000001C3F2000-memory.dmp

memory/1712-6-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1492-7-0x00007FFC4B410000-0x00007FFC4BDB1000-memory.dmp

memory/1712-8-0x00000000751F2000-0x00000000751F3000-memory.dmp

memory/1712-9-0x00000000751F0000-0x00000000757A1000-memory.dmp

memory/2760-10-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1712-12-0x00000000751F0000-0x00000000757A1000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\PtYBxGg.txt

MD5 bfbee1ccbe6981fafb1c7bff99680882
SHA1 3866c915b8a7e0592f8728c89faf6bb4d5ecf002
SHA256 74976c31c2c46d066f3d9a70fc73b3a7dd541d5a889a6644a59f09b53960a235
SHA512 6bb98708f97b426a6ef445681a9169671d084f1a876e6ff07b8c595add8f996509d5e003a04b1d58ca10332285df2686bec4e6b470f6b3f8a19e15be256dbd2e

memory/2760-13-0x00000000751F0000-0x00000000757A1000-memory.dmp

memory/2760-14-0x00000000751F0000-0x00000000757A1000-memory.dmp

memory/2760-17-0x00000000751F0000-0x00000000757A1000-memory.dmp

memory/2760-16-0x00000000751F0000-0x00000000757A1000-memory.dmp

memory/1712-18-0x00000000751F2000-0x00000000751F3000-memory.dmp