Malware Analysis Report

2025-01-18 02:55

Sample ID 241127-c41ensyren
Target a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1
SHA256 a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1
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

a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1

Threat Level: Known bad

The file a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1 was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

Revengerat family

RevengeRAT

Drops startup file

AutoIT Executable

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-27 02:38

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

2024-11-27 02:38

Reported

2024-11-27 02:41

Platform

win7-20240903-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1.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\a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2296 set thread context of 2072 N/A C:\Users\Admin\AppData\Local\Temp\a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1.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\a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0 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 2296 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2296 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2296 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2296 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2296 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2296 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2296 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2296 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2296 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1.exe

"C:\Users\Admin\AppData\Local\Temp\a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1.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

Files

memory/2296-0-0x00000000000F0000-0x00000000000F1000-memory.dmp

memory/2072-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2072-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2072-3-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2072-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2072-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2072-10-0x00000000742D2000-0x00000000742D4000-memory.dmp

memory/2072-11-0x00000000742D2000-0x00000000742D4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-27 02:38

Reported

2024-11-27 02:41

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1.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\a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 612 set thread context of 4404 N/A C:\Users\Admin\AppData\Local\Temp\a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1.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\a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1.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\a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1.exe

"C:\Users\Admin\AppData\Local\Temp\a84166dc70ff3ae5c435e548392e514c05663d2a8ae0762936993715bb3d8ae1.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
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 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 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 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.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 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 83.210.23.2.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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 48.229.111.52.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 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/612-0-0x0000000000E80000-0x0000000000E81000-memory.dmp

memory/4404-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4404-5-0x0000000073A72000-0x0000000073A73000-memory.dmp

memory/4404-6-0x0000000073A70000-0x0000000074021000-memory.dmp

memory/4404-7-0x0000000073A70000-0x0000000074021000-memory.dmp

memory/4404-8-0x0000000073A72000-0x0000000073A73000-memory.dmp

memory/4404-9-0x0000000073A70000-0x0000000074021000-memory.dmp

memory/4404-10-0x0000000073A70000-0x0000000074021000-memory.dmp