Malware Analysis Report

2025-01-18 02:59

Sample ID 241218-mex85awmbp
Target bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe
SHA256 bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c
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

bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c

Threat Level: Known bad

The file bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.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

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Checks processor information in registry

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-18 10:23

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

2024-12-18 10:23

Reported

2024-12-18 10:25

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.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\bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1548 set thread context of 1872 N/A C:\Users\Admin\AppData\Local\Temp\bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.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\bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.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 1548 wrote to memory of 1872 N/A C:\Users\Admin\AppData\Local\Temp\bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1548 wrote to memory of 1872 N/A C:\Users\Admin\AppData\Local\Temp\bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1548 wrote to memory of 1872 N/A C:\Users\Admin\AppData\Local\Temp\bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1548 wrote to memory of 1872 N/A C:\Users\Admin\AppData\Local\Temp\bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1548 wrote to memory of 1872 N/A C:\Users\Admin\AppData\Local\Temp\bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1548 wrote to memory of 1872 N/A C:\Users\Admin\AppData\Local\Temp\bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1548 wrote to memory of 1872 N/A C:\Users\Admin\AppData\Local\Temp\bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1548 wrote to memory of 1872 N/A C:\Users\Admin\AppData\Local\Temp\bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1548 wrote to memory of 1872 N/A C:\Users\Admin\AppData\Local\Temp\bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe

"C:\Users\Admin\AppData\Local\Temp\bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.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

Files

memory/1548-0-0x00000000000F0000-0x00000000000F1000-memory.dmp

memory/1872-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1872-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1872-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1872-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1872-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1872-9-0x00000000747B2000-0x00000000747B4000-memory.dmp

memory/1872-10-0x00000000747B2000-0x00000000747B4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-18 10:23

Reported

2024-12-18 10:25

Platform

win10v2004-20241007-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.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\bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 5100 set thread context of 1000 N/A C:\Users\Admin\AppData\Local\Temp\bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.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\bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.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\bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe

"C:\Users\Admin\AppData\Local\Temp\bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.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 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.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 8.8.8.8:53 104.219.191.52.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 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 86.49.80.91.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 8.8.8.8:53 172.210.232.199.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 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/5100-0-0x0000000001680000-0x0000000001681000-memory.dmp

memory/1000-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1000-5-0x0000000074012000-0x0000000074013000-memory.dmp

memory/1000-6-0x0000000074010000-0x00000000745C1000-memory.dmp

memory/1000-7-0x0000000074010000-0x00000000745C1000-memory.dmp

memory/1000-8-0x0000000074012000-0x0000000074013000-memory.dmp

memory/1000-9-0x0000000074010000-0x00000000745C1000-memory.dmp

memory/1000-10-0x0000000074010000-0x00000000745C1000-memory.dmp