Malware Analysis Report

2024-10-19 08:32

Sample ID 240819-hfv3yazanb
Target d50cef23b0a8ace42d155a2145bc2030N.exe
SHA256 e97d4a8d15d0891c0f1c600c85f140cf0b925907fc4a1906a899ba74cb021c9a
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

e97d4a8d15d0891c0f1c600c85f140cf0b925907fc4a1906a899ba74cb021c9a

Threat Level: Known bad

The file d50cef23b0a8ace42d155a2145bc2030N.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 FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-19 06:41

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

2024-08-19 06:41

Reported

2024-08-19 06:43

Platform

win7-20240704-en

Max time kernel

98s

Max time network

108s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d50cef23b0a8ace42d155a2145bc2030N.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\d50cef23b0a8ace42d155a2145bc2030N.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 2720 set thread context of 2776 N/A C:\Users\Admin\AppData\Local\Temp\d50cef23b0a8ace42d155a2145bc2030N.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\d50cef23b0a8ace42d155a2145bc2030N.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 2720 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\d50cef23b0a8ace42d155a2145bc2030N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2720 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\d50cef23b0a8ace42d155a2145bc2030N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2720 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\d50cef23b0a8ace42d155a2145bc2030N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2720 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\d50cef23b0a8ace42d155a2145bc2030N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2720 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\d50cef23b0a8ace42d155a2145bc2030N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2720 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\d50cef23b0a8ace42d155a2145bc2030N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2720 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\d50cef23b0a8ace42d155a2145bc2030N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2720 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\d50cef23b0a8ace42d155a2145bc2030N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2720 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\d50cef23b0a8ace42d155a2145bc2030N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\d50cef23b0a8ace42d155a2145bc2030N.exe

"C:\Users\Admin\AppData\Local\Temp\d50cef23b0a8ace42d155a2145bc2030N.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 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/2720-0-0x0000000000ED0000-0x0000000000FC3000-memory.dmp

memory/2720-1-0x0000000000170000-0x0000000000171000-memory.dmp

memory/2776-2-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2776-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2776-4-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2776-10-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2776-9-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2776-11-0x00000000745A2000-0x00000000745A4000-memory.dmp

memory/2720-12-0x0000000000ED0000-0x0000000000FC3000-memory.dmp

memory/2776-13-0x00000000745A2000-0x00000000745A4000-memory.dmp

memory/2720-17-0x0000000000ED0000-0x0000000000FC3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-19 06:41

Reported

2024-08-19 06:43

Platform

win10v2004-20240802-en

Max time kernel

101s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d50cef23b0a8ace42d155a2145bc2030N.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\d50cef23b0a8ace42d155a2145bc2030N.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 4788 set thread context of 1864 N/A C:\Users\Admin\AppData\Local\Temp\d50cef23b0a8ace42d155a2145bc2030N.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:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d50cef23b0a8ace42d155a2145bc2030N.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\d50cef23b0a8ace42d155a2145bc2030N.exe

"C:\Users\Admin\AppData\Local\Temp\d50cef23b0a8ace42d155a2145bc2030N.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 13.86.106.20.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 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.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 43.229.111.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/4788-0-0x00000000000E0000-0x00000000001D3000-memory.dmp

memory/4788-1-0x0000000002770000-0x0000000002771000-memory.dmp

memory/1864-2-0x0000000000430000-0x0000000000438000-memory.dmp

memory/1864-6-0x0000000073502000-0x0000000073503000-memory.dmp

memory/1864-7-0x0000000073500000-0x0000000073AB1000-memory.dmp

memory/1864-8-0x0000000073500000-0x0000000073AB1000-memory.dmp

memory/4788-9-0x00000000000E0000-0x00000000001D3000-memory.dmp

memory/1864-10-0x0000000073502000-0x0000000073503000-memory.dmp

memory/1864-11-0x0000000073500000-0x0000000073AB1000-memory.dmp

memory/4788-15-0x00000000000E0000-0x00000000001D3000-memory.dmp