Malware Analysis Report

2024-10-23 21:20

Sample ID 240906-tzsmpswfjq
Target a155f11249d39504ece76290ccbaac30N.exe
SHA256 89653e65239b2f483430d582c03b4c769de0fd27ca09d1e4fbbc643e1e087a0c
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

89653e65239b2f483430d582c03b4c769de0fd27ca09d1e4fbbc643e1e087a0c

Threat Level: Known bad

The file a155f11249d39504ece76290ccbaac30N.exe was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

RevengeRAT

Drops startup file

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-06 16:30

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 16:30

Reported

2024-09-06 16:32

Platform

win7-20240903-en

Max time kernel

117s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a155f11249d39504ece76290ccbaac30N.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\a155f11249d39504ece76290ccbaac30N.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 3044 set thread context of 2380 N/A C:\Users\Admin\AppData\Local\Temp\a155f11249d39504ece76290ccbaac30N.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\a155f11249d39504ece76290ccbaac30N.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 3044 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\a155f11249d39504ece76290ccbaac30N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3044 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\a155f11249d39504ece76290ccbaac30N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3044 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\a155f11249d39504ece76290ccbaac30N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3044 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\a155f11249d39504ece76290ccbaac30N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3044 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\a155f11249d39504ece76290ccbaac30N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3044 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\a155f11249d39504ece76290ccbaac30N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3044 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\a155f11249d39504ece76290ccbaac30N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3044 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\a155f11249d39504ece76290ccbaac30N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 3044 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\a155f11249d39504ece76290ccbaac30N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a155f11249d39504ece76290ccbaac30N.exe

"C:\Users\Admin\AppData\Local\Temp\a155f11249d39504ece76290ccbaac30N.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
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/3044-0-0x0000000000A60000-0x0000000000B53000-memory.dmp

memory/3044-1-0x0000000000120000-0x0000000000121000-memory.dmp

memory/2380-3-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2380-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2380-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2380-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2380-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2380-10-0x00000000741C2000-0x00000000741C4000-memory.dmp

memory/3044-11-0x0000000000A60000-0x0000000000B53000-memory.dmp

memory/2380-12-0x00000000741C2000-0x00000000741C4000-memory.dmp

memory/3044-16-0x0000000000A60000-0x0000000000B53000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-06 16:30

Reported

2024-09-06 16:32

Platform

win10v2004-20240802-en

Max time kernel

116s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a155f11249d39504ece76290ccbaac30N.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\a155f11249d39504ece76290ccbaac30N.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 4104 set thread context of 1636 N/A C:\Users\Admin\AppData\Local\Temp\a155f11249d39504ece76290ccbaac30N.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\a155f11249d39504ece76290ccbaac30N.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\a155f11249d39504ece76290ccbaac30N.exe

"C:\Users\Admin\AppData\Local\Temp\a155f11249d39504ece76290ccbaac30N.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
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 8.8.8.8:53 183.59.114.20.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 marzorevenger.duckdns.org udp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
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 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 marzorevenger.duckdns.org udp

Files

memory/4104-0-0x0000000000150000-0x0000000000243000-memory.dmp

memory/4104-1-0x0000000000CB0000-0x0000000000CB1000-memory.dmp

memory/1636-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1636-6-0x0000000073B92000-0x0000000073B93000-memory.dmp

memory/1636-7-0x0000000073B90000-0x0000000074141000-memory.dmp

memory/1636-8-0x0000000073B90000-0x0000000074141000-memory.dmp

memory/4104-9-0x0000000000150000-0x0000000000243000-memory.dmp

memory/1636-10-0x0000000073B92000-0x0000000073B93000-memory.dmp

memory/1636-11-0x0000000073B90000-0x0000000074141000-memory.dmp

memory/4104-15-0x0000000000150000-0x0000000000243000-memory.dmp