Malware Analysis Report

2025-01-18 03:01

Sample ID 241124-2rbcfstphv
Target 55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442
SHA256 55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442
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

55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442

Threat Level: Known bad

The file 55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442 was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

RevengeRAT

Revengerat family

Drops startup file

Suspicious use of SetThreadContext

AutoIT Executable

System Location Discovery: System Language Discovery

Unsigned PE

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-24 22:48

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

2024-11-24 22:48

Reported

2024-11-24 22:51

Platform

win7-20240903-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.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\55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2436 set thread context of 2096 N/A C:\Users\Admin\AppData\Local\Temp\55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.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\55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.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 2436 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2436 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2436 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2436 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2436 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2436 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2436 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2436 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2436 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe

"C:\Users\Admin\AppData\Local\Temp\55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.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 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 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 tcp

Files

memory/2436-0-0x0000000000290000-0x0000000000291000-memory.dmp

memory/2096-1-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2096-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2096-3-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2096-9-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2096-8-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2096-10-0x0000000073F02000-0x0000000073F04000-memory.dmp

memory/2096-11-0x0000000073F02000-0x0000000073F04000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-24 22:48

Reported

2024-11-24 22:51

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.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\55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2056 set thread context of 3856 N/A C:\Users\Admin\AppData\Local\Temp\55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.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\55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.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\55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe

"C:\Users\Admin\AppData\Local\Temp\55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.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 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.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 74.32.126.40.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 8.8.8.8:53 104.219.191.52.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 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
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 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 8.8.8.8:53 11.227.111.52.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 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

Files

memory/2056-0-0x0000000001070000-0x0000000001071000-memory.dmp

memory/3856-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3856-5-0x0000000073D72000-0x0000000073D73000-memory.dmp

memory/3856-6-0x0000000073D70000-0x0000000074321000-memory.dmp

memory/3856-7-0x0000000073D70000-0x0000000074321000-memory.dmp

memory/3856-8-0x0000000073D72000-0x0000000073D73000-memory.dmp

memory/3856-9-0x0000000073D70000-0x0000000074321000-memory.dmp

memory/3856-10-0x0000000073D70000-0x0000000074321000-memory.dmp