Malware Analysis Report

2025-01-18 03:00

Sample ID 241203-t719tayrdl
Target 87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe
SHA256 87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8
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

87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8

Threat Level: Known bad

The file 87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe 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 AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-03 16:42

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 16:42

Reported

2024-12-03 16:45

Platform

win7-20240903-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.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\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3048 set thread context of 2436 N/A C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.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\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.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 3048 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3048 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3048 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3048 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3048 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3048 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3048 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3048 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3048 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe

"C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.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 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/3048-0-0x0000000000120000-0x0000000000121000-memory.dmp

memory/2436-1-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2436-9-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2436-8-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2436-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2436-3-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2436-10-0x00000000741C2000-0x00000000741C4000-memory.dmp

memory/2436-11-0x00000000741C2000-0x00000000741C4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-03 16:42

Reported

2024-12-03 16:45

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.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\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4856 set thread context of 3380 N/A C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.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\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.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\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe

"C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.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 8.8.8.8.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 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
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 68.159.190.20.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 8.8.8.8:53 228.249.119.40.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 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 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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 8.8.8.8:53 240.221.184.93.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 11.227.111.52.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 tcp

Files

memory/4856-0-0x0000000000FB0000-0x0000000000FB1000-memory.dmp

memory/3380-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3380-5-0x00000000741C2000-0x00000000741C3000-memory.dmp

memory/3380-6-0x00000000741C0000-0x0000000074771000-memory.dmp

memory/3380-7-0x00000000741C0000-0x0000000074771000-memory.dmp

memory/3380-8-0x00000000741C2000-0x00000000741C3000-memory.dmp

memory/3380-9-0x00000000741C0000-0x0000000074771000-memory.dmp

memory/3380-10-0x00000000741C0000-0x0000000074771000-memory.dmp