Malware Analysis Report

2024-10-19 08:33

Sample ID 240817-cvagwsvfql
Target 957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af
SHA256 957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af
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

957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af

Threat Level: Known bad

The file 957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

RevengeRAT

Drops startup file

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-17 02:23

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

2024-08-17 02:23

Reported

2024-08-17 02:25

Platform

win7-20240704-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af.exe"

Signatures

RevengeRAT

trojan 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\957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af.exe N/A

AutoIT Executable

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2028 set thread context of 2380 N/A C:\Users\Admin\AppData\Local\Temp\957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af.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:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af.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 2028 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2028 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2028 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2028 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2028 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2028 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2028 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2028 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2028 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af.exe

"C:\Users\Admin\AppData\Local\Temp\957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af.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
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/2028-0-0x0000000001070000-0x0000000001163000-memory.dmp

memory/2380-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2380-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2380-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2380-10-0x00000000748F2000-0x00000000748F4000-memory.dmp

memory/2380-3-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2380-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2028-1-0x0000000000160000-0x0000000000161000-memory.dmp

memory/2028-11-0x0000000001070000-0x0000000001163000-memory.dmp

memory/2380-12-0x00000000748F2000-0x00000000748F4000-memory.dmp

memory/2028-16-0x0000000001070000-0x0000000001163000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-17 02:23

Reported

2024-08-17 02:25

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af.exe"

Signatures

RevengeRAT

trojan 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\957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af.exe N/A

AutoIT Executable

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 684 set thread context of 2600 N/A C:\Users\Admin\AppData\Local\Temp\957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af.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:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af.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\957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af.exe

"C:\Users\Admin\AppData\Local\Temp\957821c3cbf84aa7971ad2cce6d06313e72b3b83c2af5b3002cc0ace90cbc1af.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 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 36.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 52.111.229.43:443 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 udp

Files

memory/684-0-0x0000000000F00000-0x0000000000FF3000-memory.dmp

memory/684-1-0x00000000015B0000-0x00000000015B1000-memory.dmp

memory/2600-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2600-6-0x00000000736C2000-0x00000000736C3000-memory.dmp

memory/2600-7-0x00000000736C0000-0x0000000073C71000-memory.dmp

memory/2600-8-0x00000000736C0000-0x0000000073C71000-memory.dmp

memory/684-9-0x0000000000F00000-0x0000000000FF3000-memory.dmp

memory/2600-10-0x00000000736C2000-0x00000000736C3000-memory.dmp

memory/2600-11-0x00000000736C0000-0x0000000073C71000-memory.dmp

memory/684-15-0x0000000000F00000-0x0000000000FF3000-memory.dmp