Malware Analysis Report

2024-10-23 21:20

Sample ID 240907-2zrz6ssfqb
Target f0e21ff2c38b045e9969912373d618f0N
SHA256 d756caf60912788635901e6af794fc074cef414410d1dffbe7f383036a3ec83a
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

d756caf60912788635901e6af794fc074cef414410d1dffbe7f383036a3ec83a

Threat Level: Known bad

The file f0e21ff2c38b045e9969912373d618f0N 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 FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-07 23:01

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 23:01

Reported

2024-09-07 23:03

Platform

win7-20240903-en

Max time kernel

119s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f0e21ff2c38b045e9969912373d618f0N.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\f0e21ff2c38b045e9969912373d618f0N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2160 set thread context of 2664 N/A C:\Users\Admin\AppData\Local\Temp\f0e21ff2c38b045e9969912373d618f0N.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\f0e21ff2c38b045e9969912373d618f0N.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 2160 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\f0e21ff2c38b045e9969912373d618f0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2160 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\f0e21ff2c38b045e9969912373d618f0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2160 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\f0e21ff2c38b045e9969912373d618f0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2160 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\f0e21ff2c38b045e9969912373d618f0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2160 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\f0e21ff2c38b045e9969912373d618f0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2160 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\f0e21ff2c38b045e9969912373d618f0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2160 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\f0e21ff2c38b045e9969912373d618f0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2160 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\f0e21ff2c38b045e9969912373d618f0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2160 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\f0e21ff2c38b045e9969912373d618f0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f0e21ff2c38b045e9969912373d618f0N.exe

"C:\Users\Admin\AppData\Local\Temp\f0e21ff2c38b045e9969912373d618f0N.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/2160-0-0x0000000000120000-0x0000000000121000-memory.dmp

memory/2664-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2664-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2664-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2664-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2664-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2664-9-0x0000000073F62000-0x0000000073F64000-memory.dmp

memory/2664-10-0x0000000073F62000-0x0000000073F64000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-07 23:01

Reported

2024-09-07 23:03

Platform

win10v2004-20240802-en

Max time kernel

98s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f0e21ff2c38b045e9969912373d618f0N.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\f0e21ff2c38b045e9969912373d618f0N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3588 set thread context of 3168 N/A C:\Users\Admin\AppData\Local\Temp\f0e21ff2c38b045e9969912373d618f0N.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\f0e21ff2c38b045e9969912373d618f0N.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\f0e21ff2c38b045e9969912373d618f0N.exe

"C:\Users\Admin\AppData\Local\Temp\f0e21ff2c38b045e9969912373d618f0N.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 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.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
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 8.8.8.8:53 171.39.242.20.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
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/3588-0-0x0000000001740000-0x0000000001741000-memory.dmp

memory/3168-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3168-5-0x0000000073F62000-0x0000000073F63000-memory.dmp

memory/3168-6-0x0000000073F60000-0x0000000074511000-memory.dmp

memory/3168-7-0x0000000073F60000-0x0000000074511000-memory.dmp

memory/3168-8-0x0000000073F62000-0x0000000073F63000-memory.dmp

memory/3168-9-0x0000000073F60000-0x0000000074511000-memory.dmp