Malware Analysis Report

2024-10-23 21:20

Sample ID 240909-a8d15awelg
Target acdf0e1cc4449c91ecc696a4a2b906d0N.exe
SHA256 b9855a64394937fb1f92b1718fb2c1fa7630db2864f53ee28192b1c64def17b8
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

b9855a64394937fb1f92b1718fb2c1fa7630db2864f53ee28192b1c64def17b8

Threat Level: Known bad

The file acdf0e1cc4449c91ecc696a4a2b906d0N.exe 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 SendNotifyMessage

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-09 00:52

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

2024-09-09 00:52

Reported

2024-09-09 00:54

Platform

win7-20240903-en

Max time kernel

120s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\acdf0e1cc4449c91ecc696a4a2b906d0N.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\acdf0e1cc4449c91ecc696a4a2b906d0N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1788 set thread context of 2272 N/A C:\Users\Admin\AppData\Local\Temp\acdf0e1cc4449c91ecc696a4a2b906d0N.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\acdf0e1cc4449c91ecc696a4a2b906d0N.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 1788 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\acdf0e1cc4449c91ecc696a4a2b906d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1788 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\acdf0e1cc4449c91ecc696a4a2b906d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1788 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\acdf0e1cc4449c91ecc696a4a2b906d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1788 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\acdf0e1cc4449c91ecc696a4a2b906d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1788 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\acdf0e1cc4449c91ecc696a4a2b906d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1788 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\acdf0e1cc4449c91ecc696a4a2b906d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1788 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\acdf0e1cc4449c91ecc696a4a2b906d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1788 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\acdf0e1cc4449c91ecc696a4a2b906d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1788 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\acdf0e1cc4449c91ecc696a4a2b906d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\acdf0e1cc4449c91ecc696a4a2b906d0N.exe

"C:\Users\Admin\AppData\Local\Temp\acdf0e1cc4449c91ecc696a4a2b906d0N.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/1788-0-0x00000000000B0000-0x00000000000B1000-memory.dmp

memory/2272-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2272-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2272-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2272-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2272-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2272-9-0x0000000073B72000-0x0000000073B74000-memory.dmp

memory/2272-10-0x0000000073B72000-0x0000000073B74000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-09 00:52

Reported

2024-09-09 00:54

Platform

win10v2004-20240802-en

Max time kernel

96s

Max time network

114s

Command Line

"C:\Users\Admin\AppData\Local\Temp\acdf0e1cc4449c91ecc696a4a2b906d0N.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\acdf0e1cc4449c91ecc696a4a2b906d0N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2172 set thread context of 4188 N/A C:\Users\Admin\AppData\Local\Temp\acdf0e1cc4449c91ecc696a4a2b906d0N.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\acdf0e1cc4449c91ecc696a4a2b906d0N.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\acdf0e1cc4449c91ecc696a4a2b906d0N.exe

"C:\Users\Admin\AppData\Local\Temp\acdf0e1cc4449c91ecc696a4a2b906d0N.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 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 2.159.190.20.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 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 121.170.16.2.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
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/2172-0-0x0000000000F00000-0x0000000000F01000-memory.dmp

memory/4188-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4188-5-0x0000000073FA2000-0x0000000073FA3000-memory.dmp

memory/4188-6-0x0000000073FA0000-0x0000000074551000-memory.dmp

memory/4188-7-0x0000000073FA0000-0x0000000074551000-memory.dmp

memory/4188-8-0x0000000073FA2000-0x0000000073FA3000-memory.dmp

memory/4188-9-0x0000000073FA0000-0x0000000074551000-memory.dmp