Malware Analysis Report

2024-10-23 21:21

Sample ID 240901-2m9z8atflm
Target 5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac
SHA256 5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac
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

5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac

Threat Level: Known bad

The file 5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac 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 AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-01 22:43

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

2024-09-01 22:43

Reported

2024-09-01 22:45

Platform

win7-20240704-en

Max time kernel

143s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac.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\5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1140 set thread context of 2608 N/A C:\Users\Admin\AppData\Local\Temp\5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac.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\5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac.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 1140 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1140 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1140 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1140 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1140 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1140 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1140 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1140 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1140 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac.exe

"C:\Users\Admin\AppData\Local\Temp\5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac.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
US 8.8.8.8:53 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/1140-0-0x00000000000B0000-0x00000000000B1000-memory.dmp

memory/2608-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2608-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2608-3-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2608-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2608-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2608-10-0x0000000073DF2000-0x0000000073DF4000-memory.dmp

memory/2608-11-0x0000000073DF2000-0x0000000073DF4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-01 22:43

Reported

2024-09-01 22:45

Platform

win10v2004-20240802-en

Max time kernel

142s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac.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\5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1748 set thread context of 3624 N/A C:\Users\Admin\AppData\Local\Temp\5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac.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\5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac.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\5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac.exe

"C:\Users\Admin\AppData\Local\Temp\5d48cb8db79872b124578e1bdc42fab8b893e25d3c8ec145e02a55e6329bffac.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
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 37.56.20.217.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 22.236.111.52.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 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/1748-0-0x0000000003550000-0x0000000003551000-memory.dmp

memory/3624-1-0x0000000000620000-0x0000000000628000-memory.dmp

memory/3624-5-0x0000000073A82000-0x0000000073A83000-memory.dmp

memory/3624-6-0x0000000073A80000-0x0000000074031000-memory.dmp

memory/3624-7-0x0000000073A80000-0x0000000074031000-memory.dmp

memory/3624-8-0x0000000073A82000-0x0000000073A83000-memory.dmp

memory/3624-9-0x0000000073A80000-0x0000000074031000-memory.dmp