Malware Analysis Report

2025-01-18 03:01

Sample ID 241203-cfr4dstqfv
Target 9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10.exe
SHA256 9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10
Tags
revengerat marzo26 discovery trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10

Threat Level: Known bad

The file 9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10.exe was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

Revengerat family

RevengeRAT

Drops startup file

AutoIT Executable

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-03 02:01

Signatures

AutoIT Executable

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

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-03 02:01

Reported

2024-12-03 02:03

Platform

win10v2004-20241007-en

Max time kernel

119s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10.exe"

Signatures

RevengeRAT

trojan revengerat

Revengerat family

revengerat

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AudioHandlers.url C:\Users\Admin\AppData\Local\Temp\9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2388 set thread context of 744 N/A C:\Users\Admin\AppData\Local\Temp\9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

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\9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.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\RegAsm.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10.exe

"C:\Users\Admin\AppData\Local\Temp\9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 marzorevenger.duckdns.org udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 25.125.209.23.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.69.169.192.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
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 83.121.18.2.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp

Files

memory/2388-0-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

memory/744-1-0x0000000000590000-0x0000000000598000-memory.dmp

memory/744-5-0x0000000073D52000-0x0000000073D53000-memory.dmp

memory/744-6-0x0000000073D50000-0x0000000074301000-memory.dmp

memory/744-7-0x0000000073D50000-0x0000000074301000-memory.dmp

memory/744-8-0x0000000073D52000-0x0000000073D53000-memory.dmp

memory/744-9-0x0000000073D50000-0x0000000074301000-memory.dmp

memory/744-10-0x0000000073D50000-0x0000000074301000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-03 02:01

Reported

2024-12-03 02:03

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10.exe"

Signatures

RevengeRAT

trojan revengerat

Revengerat family

revengerat

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AudioHandlers.url C:\Users\Admin\AppData\Local\Temp\9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2148 set thread context of 2168 N/A C:\Users\Admin\AppData\Local\Temp\9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

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\9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.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\RegAsm.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2148 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2148 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2148 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2148 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2148 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2148 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2148 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2148 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2148 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10.exe

"C:\Users\Admin\AppData\Local\Temp\9a2fcf99caf8e8b9a55fba73084d0f046321e8792af64086adee16699be60e10.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 marzorevenger.duckdns.org udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp

Files

memory/2148-0-0x0000000000160000-0x0000000000161000-memory.dmp

memory/2168-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2168-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2168-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2168-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2168-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2168-9-0x0000000074182000-0x0000000074184000-memory.dmp

memory/2168-10-0x0000000074182000-0x0000000074184000-memory.dmp