Malware Analysis Report

2025-01-18 02:57

Sample ID 241205-1fklbasqgw
Target 1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1.exe
SHA256 1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1
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

1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1

Threat Level: Known bad

The file 1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1.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

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-05 21:35

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 21:35

Reported

2024-12-05 21:37

Platform

win7-20240729-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1.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\1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1508 set thread context of 2916 N/A C:\Users\Admin\AppData\Local\Temp\1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1.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\1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1.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 1508 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1508 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1508 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1508 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1508 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1508 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1508 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1508 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1508 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1.exe

"C:\Users\Admin\AppData\Local\Temp\1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1.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 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 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/1508-0-0x0000000000120000-0x0000000000121000-memory.dmp

memory/2916-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2916-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2916-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2916-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2916-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2916-9-0x00000000749D2000-0x00000000749D4000-memory.dmp

memory/2916-10-0x00000000749D2000-0x00000000749D4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-05 21:35

Reported

2024-12-05 21:37

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1.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\1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4588 set thread context of 1224 N/A C:\Users\Admin\AppData\Local\Temp\1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1.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\1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1.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\1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1.exe

"C:\Users\Admin\AppData\Local\Temp\1b7a98e8ed515b285b0f84f7d58062b3f9eeaf0089218028a01d6fbf8048b2b1.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 28.118.140.52.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 26.69.169.192.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.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 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 8.8.8.8:53 196.249.167.52.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 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.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 8.8.8.8:53 240.221.184.93.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 29.243.111.52.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/4588-0-0x0000000004150000-0x0000000004151000-memory.dmp

memory/1224-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1224-5-0x00000000737C2000-0x00000000737C3000-memory.dmp

memory/1224-6-0x00000000737C0000-0x0000000073D71000-memory.dmp

memory/1224-7-0x00000000737C0000-0x0000000073D71000-memory.dmp

memory/1224-8-0x00000000737C2000-0x00000000737C3000-memory.dmp

memory/1224-9-0x00000000737C0000-0x0000000073D71000-memory.dmp

memory/1224-10-0x00000000737C0000-0x0000000073D71000-memory.dmp