Malware Analysis Report

2024-10-23 21:20

Sample ID 240905-3h2zgsvcrd
Target 64061cbfc7f5e66f286371be1c108cc0N.exe
SHA256 dbf41105a452de98478f1a4b150ca072fd602d2a64b5539d954cf7ffe96c08fe
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

dbf41105a452de98478f1a4b150ca072fd602d2a64b5539d954cf7ffe96c08fe

Threat Level: Known bad

The file 64061cbfc7f5e66f286371be1c108cc0N.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 FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-05 23:31

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 23:31

Reported

2024-09-05 23:33

Platform

win7-20240903-en

Max time kernel

100s

Max time network

110s

Command Line

"C:\Users\Admin\AppData\Local\Temp\64061cbfc7f5e66f286371be1c108cc0N.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\64061cbfc7f5e66f286371be1c108cc0N.exe N/A

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2516 set thread context of 2372 N/A C:\Users\Admin\AppData\Local\Temp\64061cbfc7f5e66f286371be1c108cc0N.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\64061cbfc7f5e66f286371be1c108cc0N.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2516 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\64061cbfc7f5e66f286371be1c108cc0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2516 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\64061cbfc7f5e66f286371be1c108cc0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2516 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\64061cbfc7f5e66f286371be1c108cc0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2516 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\64061cbfc7f5e66f286371be1c108cc0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2516 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\64061cbfc7f5e66f286371be1c108cc0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2516 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\64061cbfc7f5e66f286371be1c108cc0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2516 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\64061cbfc7f5e66f286371be1c108cc0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2516 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\64061cbfc7f5e66f286371be1c108cc0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2516 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\64061cbfc7f5e66f286371be1c108cc0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\64061cbfc7f5e66f286371be1c108cc0N.exe

"C:\Users\Admin\AppData\Local\Temp\64061cbfc7f5e66f286371be1c108cc0N.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/2516-0-0x00000000011A0000-0x0000000001293000-memory.dmp

memory/2516-1-0x00000000000B0000-0x00000000000B1000-memory.dmp

memory/2372-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2372-4-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2372-2-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2372-9-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2372-10-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2372-11-0x0000000074792000-0x0000000074794000-memory.dmp

memory/2516-12-0x00000000011A0000-0x0000000001293000-memory.dmp

memory/2372-13-0x0000000074792000-0x0000000074794000-memory.dmp

memory/2516-17-0x00000000011A0000-0x0000000001293000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-05 23:31

Reported

2024-09-05 23:33

Platform

win10v2004-20240802-en

Max time kernel

97s

Max time network

114s

Command Line

"C:\Users\Admin\AppData\Local\Temp\64061cbfc7f5e66f286371be1c108cc0N.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\64061cbfc7f5e66f286371be1c108cc0N.exe N/A

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2404 set thread context of 4556 N/A C:\Users\Admin\AppData\Local\Temp\64061cbfc7f5e66f286371be1c108cc0N.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\64061cbfc7f5e66f286371be1c108cc0N.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\64061cbfc7f5e66f286371be1c108cc0N.exe

"C:\Users\Admin\AppData\Local\Temp\64061cbfc7f5e66f286371be1c108cc0N.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 8.8.8.8:53 149.220.183.52.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 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/2404-0-0x0000000000D70000-0x0000000000E63000-memory.dmp

memory/2404-1-0x0000000003FD0000-0x0000000003FD1000-memory.dmp

memory/4556-2-0x00000000001F0000-0x00000000001F8000-memory.dmp

memory/4556-6-0x0000000073732000-0x0000000073733000-memory.dmp

memory/4556-7-0x0000000073730000-0x0000000073CE1000-memory.dmp

memory/4556-8-0x0000000073730000-0x0000000073CE1000-memory.dmp

memory/2404-9-0x0000000000D70000-0x0000000000E63000-memory.dmp

memory/4556-10-0x0000000073732000-0x0000000073733000-memory.dmp

memory/4556-11-0x0000000073730000-0x0000000073CE1000-memory.dmp

memory/2404-15-0x0000000000D70000-0x0000000000E63000-memory.dmp