Malware Analysis Report

2024-10-23 21:20

Sample ID 240906-n58cfswajg
Target 3d908f7ba945c56900d75dfbdcce2460N.exe
SHA256 756cb4d7f337a93be7af8f15a67ff1151638ee2aa6c4a6b4107b8ee573f1f61b
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

756cb4d7f337a93be7af8f15a67ff1151638ee2aa6c4a6b4107b8ee573f1f61b

Threat Level: Known bad

The file 3d908f7ba945c56900d75dfbdcce2460N.exe was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

RevengeRAT

Drops startup file

AutoIT Executable

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-06 11:59

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 11:59

Reported

2024-09-06 12:02

Platform

win7-20240903-en

Max time kernel

98s

Max time network

108s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3d908f7ba945c56900d75dfbdcce2460N.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\3d908f7ba945c56900d75dfbdcce2460N.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 2884 set thread context of 2740 N/A C:\Users\Admin\AppData\Local\Temp\3d908f7ba945c56900d75dfbdcce2460N.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\3d908f7ba945c56900d75dfbdcce2460N.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 2884 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\3d908f7ba945c56900d75dfbdcce2460N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2884 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\3d908f7ba945c56900d75dfbdcce2460N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2884 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\3d908f7ba945c56900d75dfbdcce2460N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2884 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\3d908f7ba945c56900d75dfbdcce2460N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2884 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\3d908f7ba945c56900d75dfbdcce2460N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2884 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\3d908f7ba945c56900d75dfbdcce2460N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2884 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\3d908f7ba945c56900d75dfbdcce2460N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2884 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\3d908f7ba945c56900d75dfbdcce2460N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2884 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\3d908f7ba945c56900d75dfbdcce2460N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3d908f7ba945c56900d75dfbdcce2460N.exe

"C:\Users\Admin\AppData\Local\Temp\3d908f7ba945c56900d75dfbdcce2460N.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/2884-0-0x0000000000E20000-0x0000000000F13000-memory.dmp

memory/2884-1-0x0000000000130000-0x0000000000131000-memory.dmp

memory/2740-3-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2740-2-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2740-9-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2740-8-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2740-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2740-10-0x0000000074152000-0x0000000074154000-memory.dmp

memory/2884-11-0x0000000000E20000-0x0000000000F13000-memory.dmp

memory/2740-12-0x0000000074152000-0x0000000074154000-memory.dmp

memory/2884-16-0x0000000000E20000-0x0000000000F13000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-06 11:59

Reported

2024-09-06 12:02

Platform

win10v2004-20240802-en

Max time kernel

96s

Max time network

112s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3d908f7ba945c56900d75dfbdcce2460N.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\3d908f7ba945c56900d75dfbdcce2460N.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 4848 set thread context of 4824 N/A C:\Users\Admin\AppData\Local\Temp\3d908f7ba945c56900d75dfbdcce2460N.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\3d908f7ba945c56900d75dfbdcce2460N.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\3d908f7ba945c56900d75dfbdcce2460N.exe

"C:\Users\Admin\AppData\Local\Temp\3d908f7ba945c56900d75dfbdcce2460N.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 8.8.8.8.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.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 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.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 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/4848-0-0x00000000007F0000-0x00000000008E3000-memory.dmp

memory/4848-1-0x00000000007D0000-0x00000000007D1000-memory.dmp

memory/4824-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4824-6-0x00000000741E2000-0x00000000741E3000-memory.dmp

memory/4824-7-0x00000000741E0000-0x0000000074791000-memory.dmp

memory/4824-8-0x00000000741E0000-0x0000000074791000-memory.dmp

memory/4848-9-0x00000000007F0000-0x00000000008E3000-memory.dmp

memory/4824-10-0x00000000741E2000-0x00000000741E3000-memory.dmp

memory/4824-11-0x00000000741E0000-0x0000000074791000-memory.dmp

memory/4848-15-0x00000000007F0000-0x00000000008E3000-memory.dmp