Malware Analysis Report

2024-10-23 21:20

Sample ID 240905-n3qdvszenl
Target 8f57c881623d03aa46001bd9c08487d0N.exe
SHA256 01d7b9d2e4d7f810bb2b8d01729727c886d0cfc040ed6154f013c04cd9262710
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

01d7b9d2e4d7f810bb2b8d01729727c886d0cfc040ed6154f013c04cd9262710

Threat Level: Known bad

The file 8f57c881623d03aa46001bd9c08487d0N.exe was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

RevengeRAT

Drops startup file

AutoIT Executable

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-05 11:55

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

2024-09-05 11:55

Reported

2024-09-05 11:57

Platform

win7-20240903-en

Max time kernel

100s

Max time network

115s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8f57c881623d03aa46001bd9c08487d0N.exe"

Signatures

RevengeRAT

trojan 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\8f57c881623d03aa46001bd9c08487d0N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2468 set thread context of 2992 N/A C:\Users\Admin\AppData\Local\Temp\8f57c881623d03aa46001bd9c08487d0N.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:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8f57c881623d03aa46001bd9c08487d0N.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 2468 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\8f57c881623d03aa46001bd9c08487d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2468 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\8f57c881623d03aa46001bd9c08487d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2468 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\8f57c881623d03aa46001bd9c08487d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2468 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\8f57c881623d03aa46001bd9c08487d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2468 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\8f57c881623d03aa46001bd9c08487d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2468 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\8f57c881623d03aa46001bd9c08487d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2468 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\8f57c881623d03aa46001bd9c08487d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2468 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\8f57c881623d03aa46001bd9c08487d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2468 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\8f57c881623d03aa46001bd9c08487d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8f57c881623d03aa46001bd9c08487d0N.exe

"C:\Users\Admin\AppData\Local\Temp\8f57c881623d03aa46001bd9c08487d0N.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
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/2468-0-0x0000000000130000-0x0000000000131000-memory.dmp

memory/2992-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2992-3-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2992-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2992-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2992-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2992-10-0x0000000074272000-0x0000000074274000-memory.dmp

memory/2992-11-0x0000000074272000-0x0000000074274000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-05 11:55

Reported

2024-09-05 11:57

Platform

win10v2004-20240802-en

Max time kernel

98s

Max time network

115s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8f57c881623d03aa46001bd9c08487d0N.exe"

Signatures

RevengeRAT

trojan 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\8f57c881623d03aa46001bd9c08487d0N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4328 set thread context of 4644 N/A C:\Users\Admin\AppData\Local\Temp\8f57c881623d03aa46001bd9c08487d0N.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\8f57c881623d03aa46001bd9c08487d0N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 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\8f57c881623d03aa46001bd9c08487d0N.exe

"C:\Users\Admin\AppData\Local\Temp\8f57c881623d03aa46001bd9c08487d0N.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 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/4328-0-0x0000000003B20000-0x0000000003B21000-memory.dmp

memory/4644-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4644-5-0x0000000073B52000-0x0000000073B53000-memory.dmp

memory/4644-6-0x0000000073B50000-0x0000000074101000-memory.dmp

memory/4644-7-0x0000000073B50000-0x0000000074101000-memory.dmp

memory/4644-8-0x0000000073B52000-0x0000000073B53000-memory.dmp

memory/4644-9-0x0000000073B50000-0x0000000074101000-memory.dmp