Malware Analysis Report

2024-10-23 21:20

Sample ID 240907-cjhzwszeqd
Target 767f11fe4d47c5a41b90897794b02490N.exe
SHA256 11c11c2d429c6d747d05f099412c6c5e79aa874f8ac9ade7168901d0e6204e1a
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

11c11c2d429c6d747d05f099412c6c5e79aa874f8ac9ade7168901d0e6204e1a

Threat Level: Known bad

The file 767f11fe4d47c5a41b90897794b02490N.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 SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-07 02:06

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

2024-09-07 02:06

Reported

2024-09-07 02:08

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\767f11fe4d47c5a41b90897794b02490N.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\767f11fe4d47c5a41b90897794b02490N.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 2252 set thread context of 2388 N/A C:\Users\Admin\AppData\Local\Temp\767f11fe4d47c5a41b90897794b02490N.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\767f11fe4d47c5a41b90897794b02490N.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 2252 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\767f11fe4d47c5a41b90897794b02490N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2252 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\767f11fe4d47c5a41b90897794b02490N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2252 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\767f11fe4d47c5a41b90897794b02490N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2252 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\767f11fe4d47c5a41b90897794b02490N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2252 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\767f11fe4d47c5a41b90897794b02490N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2252 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\767f11fe4d47c5a41b90897794b02490N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2252 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\767f11fe4d47c5a41b90897794b02490N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2252 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\767f11fe4d47c5a41b90897794b02490N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2252 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\767f11fe4d47c5a41b90897794b02490N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\767f11fe4d47c5a41b90897794b02490N.exe

"C:\Users\Admin\AppData\Local\Temp\767f11fe4d47c5a41b90897794b02490N.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

Files

memory/2252-0-0x0000000000DE0000-0x0000000000ED3000-memory.dmp

memory/2252-1-0x0000000000160000-0x0000000000161000-memory.dmp

memory/2388-10-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2388-9-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2388-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2388-4-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2388-2-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2388-11-0x0000000073C42000-0x0000000073C44000-memory.dmp

memory/2252-12-0x0000000000DE0000-0x0000000000ED3000-memory.dmp

memory/2388-13-0x0000000073C42000-0x0000000073C44000-memory.dmp

memory/2252-17-0x0000000000DE0000-0x0000000000ED3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-07 02:06

Reported

2024-09-07 02:08

Platform

win10v2004-20240802-en

Max time kernel

98s

Max time network

114s

Command Line

"C:\Users\Admin\AppData\Local\Temp\767f11fe4d47c5a41b90897794b02490N.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\767f11fe4d47c5a41b90897794b02490N.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 4568 set thread context of 4644 N/A C:\Users\Admin\AppData\Local\Temp\767f11fe4d47c5a41b90897794b02490N.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\767f11fe4d47c5a41b90897794b02490N.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\767f11fe4d47c5a41b90897794b02490N.exe

"C:\Users\Admin\AppData\Local\Temp\767f11fe4d47c5a41b90897794b02490N.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 8.8.8.8:53 209.205.72.20.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 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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 48.229.111.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/4568-0-0x0000000000820000-0x0000000000913000-memory.dmp

memory/4568-1-0x0000000003980000-0x0000000003981000-memory.dmp

memory/4644-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4644-6-0x00000000737A2000-0x00000000737A3000-memory.dmp

memory/4644-7-0x00000000737A0000-0x0000000073D51000-memory.dmp

memory/4644-8-0x00000000737A0000-0x0000000073D51000-memory.dmp

memory/4568-9-0x0000000000820000-0x0000000000913000-memory.dmp

memory/4644-10-0x00000000737A2000-0x00000000737A3000-memory.dmp

memory/4644-11-0x00000000737A0000-0x0000000073D51000-memory.dmp

memory/4568-15-0x0000000000820000-0x0000000000913000-memory.dmp