Malware Analysis Report

2024-10-23 21:20

Sample ID 240824-zbwbkszcmr
Target 2fd9820c672809a4c94ee8d29fc2c140N.exe
SHA256 c22ff8107ae7e1a3ee82f6bdd5b00fed5324f1d7244558ac298c930577e307ef
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

c22ff8107ae7e1a3ee82f6bdd5b00fed5324f1d7244558ac298c930577e307ef

Threat Level: Known bad

The file 2fd9820c672809a4c94ee8d29fc2c140N.exe was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

RevengeRAT

Drops startup file

Suspicious use of SetThreadContext

AutoIT Executable

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-24 20:33

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

2024-08-24 20:33

Reported

2024-08-24 20:35

Platform

win7-20240704-en

Max time kernel

119s

Max time network

105s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2fd9820c672809a4c94ee8d29fc2c140N.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\2fd9820c672809a4c94ee8d29fc2c140N.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 1704 set thread context of 2128 N/A C:\Users\Admin\AppData\Local\Temp\2fd9820c672809a4c94ee8d29fc2c140N.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\2fd9820c672809a4c94ee8d29fc2c140N.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 1704 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Local\Temp\2fd9820c672809a4c94ee8d29fc2c140N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1704 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Local\Temp\2fd9820c672809a4c94ee8d29fc2c140N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1704 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Local\Temp\2fd9820c672809a4c94ee8d29fc2c140N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1704 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Local\Temp\2fd9820c672809a4c94ee8d29fc2c140N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1704 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Local\Temp\2fd9820c672809a4c94ee8d29fc2c140N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1704 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Local\Temp\2fd9820c672809a4c94ee8d29fc2c140N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1704 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Local\Temp\2fd9820c672809a4c94ee8d29fc2c140N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1704 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Local\Temp\2fd9820c672809a4c94ee8d29fc2c140N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1704 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Local\Temp\2fd9820c672809a4c94ee8d29fc2c140N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2fd9820c672809a4c94ee8d29fc2c140N.exe

"C:\Users\Admin\AppData\Local\Temp\2fd9820c672809a4c94ee8d29fc2c140N.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 tcp

Files

memory/1704-0-0x0000000001000000-0x00000000010F3000-memory.dmp

memory/1704-1-0x0000000000160000-0x0000000000161000-memory.dmp

memory/2128-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2128-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2128-3-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2128-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2128-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2128-10-0x0000000073B72000-0x0000000073B74000-memory.dmp

memory/1704-11-0x0000000001000000-0x00000000010F3000-memory.dmp

memory/2128-12-0x0000000073B72000-0x0000000073B74000-memory.dmp

memory/1704-16-0x0000000001000000-0x00000000010F3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-24 20:33

Reported

2024-08-24 20:35

Platform

win10v2004-20240802-en

Max time kernel

103s

Max time network

114s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2fd9820c672809a4c94ee8d29fc2c140N.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\2fd9820c672809a4c94ee8d29fc2c140N.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 3504 set thread context of 4336 N/A C:\Users\Admin\AppData\Local\Temp\2fd9820c672809a4c94ee8d29fc2c140N.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\2fd9820c672809a4c94ee8d29fc2c140N.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\2fd9820c672809a4c94ee8d29fc2c140N.exe

"C:\Users\Admin\AppData\Local\Temp\2fd9820c672809a4c94ee8d29fc2c140N.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 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.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 14.227.111.52.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

Files

memory/3504-0-0x0000000000250000-0x0000000000343000-memory.dmp

memory/3504-1-0x0000000001390000-0x0000000001391000-memory.dmp

memory/4336-2-0x0000000000630000-0x0000000000638000-memory.dmp

memory/4336-6-0x00000000742A2000-0x00000000742A3000-memory.dmp

memory/4336-7-0x00000000742A0000-0x0000000074851000-memory.dmp

memory/4336-8-0x00000000742A0000-0x0000000074851000-memory.dmp

memory/3504-9-0x0000000000250000-0x0000000000343000-memory.dmp

memory/4336-10-0x00000000742A2000-0x00000000742A3000-memory.dmp

memory/4336-11-0x00000000742A0000-0x0000000074851000-memory.dmp

memory/3504-15-0x0000000000250000-0x0000000000343000-memory.dmp