Malware Analysis Report

2025-01-18 02:58

Sample ID 241219-bhsbha1ldj
Target a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe
SHA256 a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b

Threat Level: Known bad

The file a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.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

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-19 01:09

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: behavioral2

Detonation Overview

Submitted

2024-12-19 01:09

Reported

2024-12-19 01:11

Platform

win10v2004-20241007-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.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\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 208 set thread context of 2204 N/A C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.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\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.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\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe

"C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.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 8.8.8.8:53 196.249.167.52.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 8.8.8.8:53 26.69.169.192.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.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 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 232.168.11.51.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 13.86.106.20.in-addr.arpa udp
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 8.8.8.8:53 206.23.85.13.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 8.8.8.8:53 172.214.232.199.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 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

Files

memory/208-0-0x0000000001270000-0x0000000001271000-memory.dmp

memory/2204-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2204-5-0x00000000738F2000-0x00000000738F3000-memory.dmp

memory/2204-6-0x00000000738F0000-0x0000000073EA1000-memory.dmp

memory/2204-7-0x00000000738F0000-0x0000000073EA1000-memory.dmp

memory/2204-8-0x00000000738F2000-0x00000000738F3000-memory.dmp

memory/2204-9-0x00000000738F0000-0x0000000073EA1000-memory.dmp

memory/2204-10-0x00000000738F0000-0x0000000073EA1000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-19 01:09

Reported

2024-12-19 01:11

Platform

win7-20240903-en

Max time kernel

117s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.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\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3020 set thread context of 2412 N/A C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.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\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.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 3020 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3020 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3020 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3020 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3020 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3020 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3020 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3020 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3020 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe

"C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.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 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/3020-0-0x00000000001A0000-0x00000000001A1000-memory.dmp

memory/2412-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2412-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2412-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2412-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2412-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2412-9-0x0000000073DD2000-0x0000000073DD4000-memory.dmp

memory/2412-10-0x0000000073DD2000-0x0000000073DD4000-memory.dmp