Malware Analysis Report

2024-10-23 21:20

Sample ID 240906-ldgdjsyfkg
Target b0939e48b8e6ba4fcd885613439554e0N.exe
SHA256 9f099558ed0f3bd66cba08d88e10cceeafce1731f497198bd795c7e8028fb959
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

9f099558ed0f3bd66cba08d88e10cceeafce1731f497198bd795c7e8028fb959

Threat Level: Known bad

The file b0939e48b8e6ba4fcd885613439554e0N.exe was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

RevengeRAT

Drops startup file

AutoIT Executable

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-06 09:24

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

2024-09-06 09:24

Reported

2024-09-06 09:26

Platform

win7-20240729-en

Max time kernel

117s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b0939e48b8e6ba4fcd885613439554e0N.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\b0939e48b8e6ba4fcd885613439554e0N.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 2660 set thread context of 2700 N/A C:\Users\Admin\AppData\Local\Temp\b0939e48b8e6ba4fcd885613439554e0N.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\b0939e48b8e6ba4fcd885613439554e0N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 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 2660 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\b0939e48b8e6ba4fcd885613439554e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2660 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\b0939e48b8e6ba4fcd885613439554e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2660 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\b0939e48b8e6ba4fcd885613439554e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2660 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\b0939e48b8e6ba4fcd885613439554e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2660 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\b0939e48b8e6ba4fcd885613439554e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2660 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\b0939e48b8e6ba4fcd885613439554e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2660 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\b0939e48b8e6ba4fcd885613439554e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2660 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\b0939e48b8e6ba4fcd885613439554e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2660 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\b0939e48b8e6ba4fcd885613439554e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b0939e48b8e6ba4fcd885613439554e0N.exe

"C:\Users\Admin\AppData\Local\Temp\b0939e48b8e6ba4fcd885613439554e0N.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

Files

memory/2660-0-0x0000000000BF0000-0x0000000000CE3000-memory.dmp

memory/2660-1-0x0000000000170000-0x0000000000171000-memory.dmp

memory/2700-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2700-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2700-3-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2700-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2700-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2700-10-0x0000000073D62000-0x0000000073D64000-memory.dmp

memory/2660-11-0x0000000000BF0000-0x0000000000CE3000-memory.dmp

memory/2700-12-0x0000000073D62000-0x0000000073D64000-memory.dmp

memory/2660-16-0x0000000000BF0000-0x0000000000CE3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-06 09:24

Reported

2024-09-06 09:26

Platform

win10v2004-20240802-en

Max time kernel

100s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b0939e48b8e6ba4fcd885613439554e0N.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\b0939e48b8e6ba4fcd885613439554e0N.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 412 set thread context of 1112 N/A C:\Users\Admin\AppData\Local\Temp\b0939e48b8e6ba4fcd885613439554e0N.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\b0939e48b8e6ba4fcd885613439554e0N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 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\b0939e48b8e6ba4fcd885613439554e0N.exe

"C:\Users\Admin\AppData\Local\Temp\b0939e48b8e6ba4fcd885613439554e0N.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 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.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 8.8.8.8:53 198.187.3.20.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 29.243.111.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/412-0-0x0000000000F40000-0x0000000001033000-memory.dmp

memory/412-1-0x0000000000C40000-0x0000000000C41000-memory.dmp

memory/1112-3-0x00000000003F0000-0x00000000003F8000-memory.dmp

memory/1112-6-0x0000000073582000-0x0000000073583000-memory.dmp

memory/1112-7-0x0000000073580000-0x0000000073B31000-memory.dmp

memory/1112-8-0x0000000073580000-0x0000000073B31000-memory.dmp

memory/412-9-0x0000000000F40000-0x0000000001033000-memory.dmp

memory/1112-10-0x0000000073582000-0x0000000073583000-memory.dmp

memory/1112-11-0x0000000073580000-0x0000000073B31000-memory.dmp

memory/412-15-0x0000000000F40000-0x0000000001033000-memory.dmp