Malware Analysis Report

2024-10-23 21:20

Sample ID 240908-3jg1pstcja
Target 794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9
SHA256 794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9
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

794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9

Threat Level: Known bad

The file 794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9 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 FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-08 23:32

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

2024-09-08 23:32

Reported

2024-09-08 23:35

Platform

win7-20240903-en

Max time kernel

143s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9.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\794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2984 set thread context of 2168 N/A C:\Users\Admin\AppData\Local\Temp\794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9.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\794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9.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 2984 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2984 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2984 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2984 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2984 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2984 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2984 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2984 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2984 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9.exe

"C:\Users\Admin\AppData\Local\Temp\794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9.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/2984-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

memory/2168-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2168-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2168-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2168-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2168-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2168-9-0x0000000073A82000-0x0000000073A84000-memory.dmp

memory/2168-10-0x0000000073A82000-0x0000000073A84000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-08 23:32

Reported

2024-09-08 23:35

Platform

win10v2004-20240802-en

Max time kernel

144s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9.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\794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2996 set thread context of 5072 N/A C:\Users\Admin\AppData\Local\Temp\794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9.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\794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9.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\794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9.exe

"C:\Users\Admin\AppData\Local\Temp\794b4907fa2ee0bf216c9a66a6ee0cdce52d80b579a8126f739f9c9fa19c88f9.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 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.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
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 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa 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
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/2996-0-0x0000000003930000-0x0000000003931000-memory.dmp

memory/5072-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/5072-5-0x0000000073E82000-0x0000000073E83000-memory.dmp

memory/5072-6-0x0000000073E80000-0x0000000074431000-memory.dmp

memory/5072-7-0x0000000073E80000-0x0000000074431000-memory.dmp

memory/5072-8-0x0000000073E82000-0x0000000073E83000-memory.dmp

memory/5072-9-0x0000000073E80000-0x0000000074431000-memory.dmp