Malware Analysis Report

2025-01-18 02:55

Sample ID 241203-lvk33avrbm
Target a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe
SHA256 a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd
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

a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd

Threat Level: Known bad

The file a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

Revengerat family

RevengeRAT

Drops startup file

Suspicious use of SetThreadContext

AutoIT Executable

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Checks processor information in registry

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-03 09:51

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

2024-12-03 09:51

Reported

2024-12-03 09:53

Platform

win7-20240903-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.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\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1416 set thread context of 2216 N/A C:\Users\Admin\AppData\Local\Temp\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.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\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.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 1416 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1416 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1416 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1416 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1416 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1416 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1416 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1416 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1416 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe

"C:\Users\Admin\AppData\Local\Temp\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.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
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/1416-0-0x0000000000160000-0x0000000000161000-memory.dmp

memory/2216-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2216-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2216-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2216-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2216-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2216-9-0x00000000740D2000-0x00000000740D4000-memory.dmp

memory/2216-10-0x00000000740D2000-0x00000000740D4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-03 09:51

Reported

2024-12-03 09:53

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.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\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 828 set thread context of 3516 N/A C:\Users\Admin\AppData\Local\Temp\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.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\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.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\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe

"C:\Users\Admin\AppData\Local\Temp\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.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 8.8.8.8:53 154.239.44.20.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 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.69.169.192.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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 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 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 59.238.56.23.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 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 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

Files

memory/828-0-0x0000000001290000-0x0000000001291000-memory.dmp

memory/3516-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3516-5-0x00000000734A2000-0x00000000734A3000-memory.dmp

memory/3516-6-0x00000000734A0000-0x0000000073A51000-memory.dmp

memory/3516-7-0x00000000734A0000-0x0000000073A51000-memory.dmp

memory/3516-8-0x00000000734A2000-0x00000000734A3000-memory.dmp

memory/3516-9-0x00000000734A0000-0x0000000073A51000-memory.dmp

memory/3516-10-0x00000000734A0000-0x0000000073A51000-memory.dmp