Malware Analysis Report

2025-01-18 02:58

Sample ID 241219-bmdc5szphx
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: 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

a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b

Threat Level: Known bad

The file a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.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

System Location Discovery: System Language Discovery

Unsigned PE

Checks processor information in registry

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-19 01:15

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

2024-12-19 01:15

Reported

2024-12-19 01:17

Platform

win7-20240903-en

Max time kernel

130s

Max time network

140s

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 2400 set thread context of 2572 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 2400 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2400 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2400 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2400 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2400 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2400 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2400 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2400 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\a19c6f3461b254fcbe050ff6a115ed69f0a43c9447e6569fa2bef3f6658b6c8b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2400 wrote to memory of 2572 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 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

Files

memory/2400-0-0x0000000000120000-0x0000000000121000-memory.dmp

memory/2572-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2572-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2572-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2572-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2572-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2572-9-0x0000000073A82000-0x0000000073A84000-memory.dmp

memory/2572-10-0x0000000073A82000-0x0000000073A84000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-19 01:15

Reported

2024-12-19 01:17

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

151s

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 3508 set thread context of 4776 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 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.69.169.192.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.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 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 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 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.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 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 8.8.8.8:53 88.210.23.2.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 8.8.8.8:53 22.236.111.52.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 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/3508-0-0x0000000003AA0000-0x0000000003AA1000-memory.dmp

memory/4776-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4776-5-0x0000000073A92000-0x0000000073A93000-memory.dmp

memory/4776-6-0x0000000073A90000-0x0000000074041000-memory.dmp

memory/4776-7-0x0000000073A90000-0x0000000074041000-memory.dmp

memory/4776-8-0x0000000073A92000-0x0000000073A93000-memory.dmp

memory/4776-9-0x0000000073A90000-0x0000000074041000-memory.dmp

memory/4776-10-0x0000000073A90000-0x0000000074041000-memory.dmp