Malware Analysis Report

2025-01-18 02:58

Sample ID 241205-nyvg1syran
Target 2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430N.exe
SHA256 2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430
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

2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430

Threat Level: Known bad

The file 2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430N.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

Checks processor information in registry

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-05 11:48

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 11:48

Reported

2024-12-05 11:50

Platform

win7-20240729-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430N.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\2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2076 set thread context of 1700 N/A C:\Users\Admin\AppData\Local\Temp\2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430N.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\2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430N.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 2076 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2076 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2076 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2076 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2076 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2076 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2076 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2076 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2076 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430N.exe

"C:\Users\Admin\AppData\Local\Temp\2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430N.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 192.169.69.26:4230 marzorevenger.duckdns.org tcp

Files

memory/2076-0-0x0000000000160000-0x0000000000161000-memory.dmp

memory/1700-1-0x0000000000090000-0x0000000000098000-memory.dmp

memory/1700-8-0x0000000000090000-0x0000000000098000-memory.dmp

memory/1700-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1700-3-0x0000000000090000-0x0000000000098000-memory.dmp

memory/1700-9-0x0000000000090000-0x0000000000098000-memory.dmp

memory/1700-10-0x00000000743A2000-0x00000000743A4000-memory.dmp

memory/1700-11-0x00000000743A2000-0x00000000743A4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-05 11:48

Reported

2024-12-05 11:50

Platform

win10v2004-20241007-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430N.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\2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2216 set thread context of 4456 N/A C:\Users\Admin\AppData\Local\Temp\2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430N.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\2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430N.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\2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430N.exe

"C:\Users\Admin\AppData\Local\Temp\2ac8d7eb45ea787e4b6f850a4fea3656de144fb85dd739ddc4923bd345619430N.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 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.69.169.192.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 13.86.106.20.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 8.8.8.8:53 154.239.44.20.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 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 15.164.165.52.in-addr.arpa udp
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 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 8.8.8.8:53 23.236.111.52.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 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/2216-0-0x00000000012B0000-0x00000000012B1000-memory.dmp

memory/4456-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4456-5-0x00000000738C2000-0x00000000738C3000-memory.dmp

memory/4456-6-0x00000000738C0000-0x0000000073E71000-memory.dmp

memory/4456-7-0x00000000738C0000-0x0000000073E71000-memory.dmp

memory/4456-8-0x00000000738C2000-0x00000000738C3000-memory.dmp

memory/4456-9-0x00000000738C0000-0x0000000073E71000-memory.dmp

memory/4456-10-0x00000000738C0000-0x0000000073E71000-memory.dmp