Malware Analysis Report

2025-01-18 03:00

Sample ID 241208-fr2nratrby
Target fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77N.exe
SHA256 fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77
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: 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

fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77

Threat Level: Known bad

The file fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77N.exe was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

RevengeRAT

Revengerat family

Drops startup file

AutoIT Executable

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Checks processor information in registry

Suspicious use of SendNotifyMessage

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-08 05:07

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: behavioral1

Detonation Overview

Submitted

2024-12-08 05:07

Reported

2024-12-08 05:09

Platform

win7-20240903-en

Max time kernel

119s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77N.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\fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2528 set thread context of 3024 N/A C:\Users\Admin\AppData\Local\Temp\fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77N.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\fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77N.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 2528 wrote to memory of 3024 N/A C:\Users\Admin\AppData\Local\Temp\fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2528 wrote to memory of 3024 N/A C:\Users\Admin\AppData\Local\Temp\fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2528 wrote to memory of 3024 N/A C:\Users\Admin\AppData\Local\Temp\fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2528 wrote to memory of 3024 N/A C:\Users\Admin\AppData\Local\Temp\fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2528 wrote to memory of 3024 N/A C:\Users\Admin\AppData\Local\Temp\fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2528 wrote to memory of 3024 N/A C:\Users\Admin\AppData\Local\Temp\fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2528 wrote to memory of 3024 N/A C:\Users\Admin\AppData\Local\Temp\fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2528 wrote to memory of 3024 N/A C:\Users\Admin\AppData\Local\Temp\fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2528 wrote to memory of 3024 N/A C:\Users\Admin\AppData\Local\Temp\fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77N.exe

"C:\Users\Admin\AppData\Local\Temp\fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77N.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/2528-0-0x00000000000B0000-0x00000000000B1000-memory.dmp

memory/3024-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3024-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/3024-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3024-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3024-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3024-9-0x00000000747F2000-0x00000000747F4000-memory.dmp

memory/3024-10-0x00000000747F2000-0x00000000747F4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-08 05:07

Reported

2024-12-08 05:09

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77N.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\fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2696 set thread context of 1056 N/A C:\Users\Admin\AppData\Local\Temp\fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77N.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\fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77N.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\fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77N.exe

"C:\Users\Admin\AppData\Local\Temp\fff3293aedaf3e5b9583e253971b019845f69432612cf30e4f11dedaae245f77N.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.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 8.8.8.8:53 26.69.169.192.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 209.205.72.20.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 8.8.8.8:53 97.17.167.52.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 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 15.164.165.52.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 8.8.8.8:53 24.139.73.23.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 marzorevenger.duckdns.org udp
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 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 23.236.111.52.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
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/2696-0-0x0000000001880000-0x0000000001881000-memory.dmp

memory/1056-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1056-5-0x0000000074342000-0x0000000074343000-memory.dmp

memory/1056-6-0x0000000074340000-0x00000000748F1000-memory.dmp

memory/1056-7-0x0000000074340000-0x00000000748F1000-memory.dmp

memory/1056-8-0x0000000074342000-0x0000000074343000-memory.dmp

memory/1056-9-0x0000000074340000-0x00000000748F1000-memory.dmp

memory/1056-10-0x0000000074340000-0x00000000748F1000-memory.dmp