Malware Analysis Report

2025-01-18 02:55

Sample ID 241203-yvhn6a1qdt
Target 881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe
SHA256 881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3
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

881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3

Threat Level: Known bad

The file 881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

RevengeRAT

Revengerat family

Drops startup file

AutoIT Executable

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Checks processor information in registry

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious use of SendNotifyMessage

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-03 20:06

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 20:06

Reported

2024-12-03 20:08

Platform

win7-20240903-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.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\881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2920 set thread context of 3020 N/A C:\Users\Admin\AppData\Local\Temp\881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.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\881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.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 2920 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2920 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2920 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2920 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2920 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2920 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2920 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2920 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2920 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe

"C:\Users\Admin\AppData\Local\Temp\881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.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 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/2920-0-0x0000000000160000-0x0000000000161000-memory.dmp

memory/3020-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3020-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3020-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3020-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/3020-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3020-9-0x00000000749D2000-0x00000000749D4000-memory.dmp

memory/3020-10-0x00000000749D2000-0x00000000749D4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-03 20:06

Reported

2024-12-03 20:08

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.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\881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1016 set thread context of 3956 N/A C:\Users\Admin\AppData\Local\Temp\881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.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\881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.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\881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe

"C:\Users\Admin\AppData\Local\Temp\881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.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 8.8.8.8:53 196.249.167.52.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 71.209.201.84.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 20.160.190.20.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 8.8.8.8:53 97.17.167.52.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 8.8.8.8:53 209.205.72.20.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 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
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 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 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 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 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

Files

memory/1016-0-0x0000000001610000-0x0000000001611000-memory.dmp

memory/3956-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3956-5-0x0000000073D32000-0x0000000073D33000-memory.dmp

memory/3956-6-0x0000000073D30000-0x00000000742E1000-memory.dmp

memory/3956-7-0x0000000073D30000-0x00000000742E1000-memory.dmp

memory/3956-8-0x0000000073D32000-0x0000000073D33000-memory.dmp

memory/3956-9-0x0000000073D30000-0x00000000742E1000-memory.dmp

memory/3956-10-0x0000000073D30000-0x00000000742E1000-memory.dmp