Malware Analysis Report

2024-10-23 21:21

Sample ID 240905-b1qwds1hnf
Target a0f050e4f13a6cfaff7a6dea07068040N.exe
SHA256 d4fa8360c3af233e50aab24ba64a999659b51f10d3759f7fee6176f6e4ccd207
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

d4fa8360c3af233e50aab24ba64a999659b51f10d3759f7fee6176f6e4ccd207

Threat Level: Known bad

The file a0f050e4f13a6cfaff7a6dea07068040N.exe 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

2024-09-05 01:36

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

2024-09-05 01:36

Reported

2024-09-05 01:39

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a0f050e4f13a6cfaff7a6dea07068040N.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\a0f050e4f13a6cfaff7a6dea07068040N.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 292 set thread context of 1056 N/A C:\Users\Admin\AppData\Local\Temp\a0f050e4f13a6cfaff7a6dea07068040N.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\a0f050e4f13a6cfaff7a6dea07068040N.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 292 wrote to memory of 1056 N/A C:\Users\Admin\AppData\Local\Temp\a0f050e4f13a6cfaff7a6dea07068040N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 292 wrote to memory of 1056 N/A C:\Users\Admin\AppData\Local\Temp\a0f050e4f13a6cfaff7a6dea07068040N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 292 wrote to memory of 1056 N/A C:\Users\Admin\AppData\Local\Temp\a0f050e4f13a6cfaff7a6dea07068040N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 292 wrote to memory of 1056 N/A C:\Users\Admin\AppData\Local\Temp\a0f050e4f13a6cfaff7a6dea07068040N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 292 wrote to memory of 1056 N/A C:\Users\Admin\AppData\Local\Temp\a0f050e4f13a6cfaff7a6dea07068040N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 292 wrote to memory of 1056 N/A C:\Users\Admin\AppData\Local\Temp\a0f050e4f13a6cfaff7a6dea07068040N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 292 wrote to memory of 1056 N/A C:\Users\Admin\AppData\Local\Temp\a0f050e4f13a6cfaff7a6dea07068040N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 292 wrote to memory of 1056 N/A C:\Users\Admin\AppData\Local\Temp\a0f050e4f13a6cfaff7a6dea07068040N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 292 wrote to memory of 1056 N/A C:\Users\Admin\AppData\Local\Temp\a0f050e4f13a6cfaff7a6dea07068040N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a0f050e4f13a6cfaff7a6dea07068040N.exe

"C:\Users\Admin\AppData\Local\Temp\a0f050e4f13a6cfaff7a6dea07068040N.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

Files

memory/292-0-0x0000000000EA0000-0x0000000000F93000-memory.dmp

memory/292-1-0x0000000000220000-0x0000000000221000-memory.dmp

memory/1056-2-0x0000000000090000-0x0000000000098000-memory.dmp

memory/1056-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1056-4-0x0000000000090000-0x0000000000098000-memory.dmp

memory/1056-9-0x0000000000090000-0x0000000000098000-memory.dmp

memory/1056-10-0x0000000000090000-0x0000000000098000-memory.dmp

memory/1056-11-0x0000000074062000-0x0000000074064000-memory.dmp

memory/292-12-0x0000000000EA0000-0x0000000000F93000-memory.dmp

memory/1056-13-0x0000000074062000-0x0000000074064000-memory.dmp

memory/292-17-0x0000000000EA0000-0x0000000000F93000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-05 01:36

Reported

2024-09-05 01:39

Platform

win10v2004-20240802-en

Max time kernel

99s

Max time network

115s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a0f050e4f13a6cfaff7a6dea07068040N.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\a0f050e4f13a6cfaff7a6dea07068040N.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 2744 set thread context of 5024 N/A C:\Users\Admin\AppData\Local\Temp\a0f050e4f13a6cfaff7a6dea07068040N.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\a0f050e4f13a6cfaff7a6dea07068040N.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\a0f050e4f13a6cfaff7a6dea07068040N.exe

"C:\Users\Admin\AppData\Local\Temp\a0f050e4f13a6cfaff7a6dea07068040N.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 28.118.140.52.in-addr.arpa 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 95.221.229.192.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
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 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
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
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/2744-0-0x0000000000C90000-0x0000000000D83000-memory.dmp

memory/5024-2-0x0000000000540000-0x0000000000548000-memory.dmp

memory/2744-1-0x0000000001280000-0x0000000001281000-memory.dmp

memory/5024-6-0x00000000736B2000-0x00000000736B3000-memory.dmp

memory/5024-7-0x00000000736B0000-0x0000000073C61000-memory.dmp

memory/5024-8-0x00000000736B0000-0x0000000073C61000-memory.dmp

memory/2744-9-0x0000000000C90000-0x0000000000D83000-memory.dmp

memory/5024-10-0x00000000736B2000-0x00000000736B3000-memory.dmp

memory/5024-11-0x00000000736B0000-0x0000000073C61000-memory.dmp

memory/2744-15-0x0000000000C90000-0x0000000000D83000-memory.dmp