Malware Analysis Report

2025-01-18 03:00

Sample ID 241205-b4degaxndl
Target 43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2.exe
SHA256 43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2
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

43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2

Threat Level: Known bad

The file 43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2.exe 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

Unsigned PE

System Location Discovery: System Language Discovery

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-05 01:41

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

2024-12-05 01:41

Reported

2024-12-05 01:43

Platform

win7-20241010-en

Max time kernel

119s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2.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\43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2652 set thread context of 2388 N/A C:\Users\Admin\AppData\Local\Temp\43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2.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\43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2.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 2652 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2652 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2652 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2652 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2652 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2652 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2652 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2652 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2652 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2.exe

"C:\Users\Admin\AppData\Local\Temp\43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2.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

Files

memory/2652-0-0x00000000001E0000-0x00000000001E1000-memory.dmp

memory/2388-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2388-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2388-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2388-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2388-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2388-9-0x0000000074422000-0x0000000074424000-memory.dmp

memory/2388-10-0x0000000074422000-0x0000000074424000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-05 01:41

Reported

2024-12-05 01:43

Platform

win10v2004-20241007-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2.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\43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4340 set thread context of 2520 N/A C:\Users\Admin\AppData\Local\Temp\43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2.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\43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2.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\43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2.exe

"C:\Users\Admin\AppData\Local\Temp\43ca3859001288adddae52b2deed9fbd84b72c5a8a9543ce050a0f7957451ec2.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 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 26.69.169.192.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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 8.8.8.8:53 28.118.140.52.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 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.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 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 8.8.8.8:53 172.214.232.199.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 19.229.111.52.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

Files

memory/4340-0-0x0000000003A80000-0x0000000003A81000-memory.dmp

memory/2520-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2520-5-0x0000000074242000-0x0000000074243000-memory.dmp

memory/2520-6-0x0000000074240000-0x00000000747F1000-memory.dmp

memory/2520-7-0x0000000074240000-0x00000000747F1000-memory.dmp

memory/2520-8-0x0000000074242000-0x0000000074243000-memory.dmp

memory/2520-9-0x0000000074240000-0x00000000747F1000-memory.dmp

memory/2520-10-0x0000000074240000-0x00000000747F1000-memory.dmp