Malware Analysis Report

2024-10-23 21:20

Sample ID 240906-j61a1swdkc
Target bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042
SHA256 bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042
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

bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042

Threat Level: Known bad

The file bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042 was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

RevengeRAT

Drops startup file

Suspicious use of SetThreadContext

AutoIT Executable

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-06 08:17

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

2024-09-06 08:17

Reported

2024-09-06 08:20

Platform

win7-20240903-en

Max time kernel

147s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042.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\bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2640 set thread context of 1780 N/A C:\Users\Admin\AppData\Local\Temp\bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042.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\bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042.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 2640 wrote to memory of 1780 N/A C:\Users\Admin\AppData\Local\Temp\bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2640 wrote to memory of 1780 N/A C:\Users\Admin\AppData\Local\Temp\bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2640 wrote to memory of 1780 N/A C:\Users\Admin\AppData\Local\Temp\bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2640 wrote to memory of 1780 N/A C:\Users\Admin\AppData\Local\Temp\bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2640 wrote to memory of 1780 N/A C:\Users\Admin\AppData\Local\Temp\bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2640 wrote to memory of 1780 N/A C:\Users\Admin\AppData\Local\Temp\bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2640 wrote to memory of 1780 N/A C:\Users\Admin\AppData\Local\Temp\bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2640 wrote to memory of 1780 N/A C:\Users\Admin\AppData\Local\Temp\bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2640 wrote to memory of 1780 N/A C:\Users\Admin\AppData\Local\Temp\bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042.exe

"C:\Users\Admin\AppData\Local\Temp\bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042.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
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

Files

memory/2640-0-0x00000000000B0000-0x00000000000B1000-memory.dmp

memory/1780-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1780-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1780-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1780-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1780-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1780-9-0x0000000073FB2000-0x0000000073FB4000-memory.dmp

memory/1780-10-0x0000000073FB2000-0x0000000073FB4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-06 08:17

Reported

2024-09-06 08:20

Platform

win10v2004-20240802-en

Max time kernel

146s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042.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\bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 432 set thread context of 3460 N/A C:\Users\Admin\AppData\Local\Temp\bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042.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\bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042.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\bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042.exe

"C:\Users\Admin\AppData\Local\Temp\bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042.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
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.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 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 25.211.222.173.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 52.111.227.11:443 tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
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

Files

memory/432-0-0x0000000004430000-0x0000000004431000-memory.dmp

memory/3460-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3460-5-0x00000000738F2000-0x00000000738F3000-memory.dmp

memory/3460-6-0x00000000738F0000-0x0000000073EA1000-memory.dmp

memory/3460-7-0x00000000738F0000-0x0000000073EA1000-memory.dmp

memory/3460-8-0x00000000738F2000-0x00000000738F3000-memory.dmp

memory/3460-9-0x00000000738F0000-0x0000000073EA1000-memory.dmp