Malware Analysis Report

2024-10-23 21:20

Sample ID 240905-f69b5svdlh
Target 4d5943f4ec6b8e3843050b2ff52dfbc0N.exe
SHA256 25182b5534f0c65853b17c3afcd45d375bef3016c5b2e86989d53222973b8e7e
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

25182b5534f0c65853b17c3afcd45d375bef3016c5b2e86989d53222973b8e7e

Threat Level: Known bad

The file 4d5943f4ec6b8e3843050b2ff52dfbc0N.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 FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-05 05:30

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

2024-09-05 05:30

Reported

2024-09-05 05:32

Platform

win7-20240704-en

Max time kernel

119s

Max time network

111s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4d5943f4ec6b8e3843050b2ff52dfbc0N.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\4d5943f4ec6b8e3843050b2ff52dfbc0N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2716 set thread context of 2232 N/A C:\Users\Admin\AppData\Local\Temp\4d5943f4ec6b8e3843050b2ff52dfbc0N.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\4d5943f4ec6b8e3843050b2ff52dfbc0N.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 2716 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\4d5943f4ec6b8e3843050b2ff52dfbc0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2716 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\4d5943f4ec6b8e3843050b2ff52dfbc0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2716 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\4d5943f4ec6b8e3843050b2ff52dfbc0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2716 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\4d5943f4ec6b8e3843050b2ff52dfbc0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2716 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\4d5943f4ec6b8e3843050b2ff52dfbc0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2716 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\4d5943f4ec6b8e3843050b2ff52dfbc0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2716 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\4d5943f4ec6b8e3843050b2ff52dfbc0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2716 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\4d5943f4ec6b8e3843050b2ff52dfbc0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2716 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\4d5943f4ec6b8e3843050b2ff52dfbc0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4d5943f4ec6b8e3843050b2ff52dfbc0N.exe

"C:\Users\Admin\AppData\Local\Temp\4d5943f4ec6b8e3843050b2ff52dfbc0N.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/2232-9-0x0000000073F62000-0x0000000073F64000-memory.dmp

memory/2232-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2232-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2232-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2232-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2232-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2716-0-0x0000000000250000-0x0000000000251000-memory.dmp

memory/2232-10-0x0000000073F62000-0x0000000073F64000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-05 05:30

Reported

2024-09-05 05:32

Platform

win10v2004-20240802-en

Max time kernel

101s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4d5943f4ec6b8e3843050b2ff52dfbc0N.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\4d5943f4ec6b8e3843050b2ff52dfbc0N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2296 set thread context of 5000 N/A C:\Users\Admin\AppData\Local\Temp\4d5943f4ec6b8e3843050b2ff52dfbc0N.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\4d5943f4ec6b8e3843050b2ff52dfbc0N.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\4d5943f4ec6b8e3843050b2ff52dfbc0N.exe

"C:\Users\Admin\AppData\Local\Temp\4d5943f4ec6b8e3843050b2ff52dfbc0N.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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
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 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
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
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/2296-0-0x00000000037B0000-0x00000000037B1000-memory.dmp

memory/5000-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/5000-5-0x0000000073F52000-0x0000000073F53000-memory.dmp

memory/5000-6-0x0000000073F50000-0x0000000074501000-memory.dmp

memory/5000-7-0x0000000073F50000-0x0000000074501000-memory.dmp

memory/5000-8-0x0000000073F52000-0x0000000073F53000-memory.dmp

memory/5000-9-0x0000000073F50000-0x0000000074501000-memory.dmp