Malware Analysis Report

2024-11-30 12:42

Sample ID 240820-1xnz3azapp
Target Launcher_v0.876 beta.rar
SHA256 28f86d1485d28aead2165497ffe749b56d433007a8fe4e80916408b05bfc66f6
Tags
pyinstaller pysilon
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

28f86d1485d28aead2165497ffe749b56d433007a8fe4e80916408b05bfc66f6

Threat Level: Known bad

The file Launcher_v0.876 beta.rar was found to be: Known bad.

Malicious Activity Summary

pyinstaller pysilon

Detect Pysilon

Pysilon family

Unsigned PE

Enumerates physical storage devices

Detects Pyinstaller

Modifies registry class

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-20 22:02

Signatures

Detect Pysilon

Description Indicator Process Target
N/A N/A N/A N/A

Pysilon family

pysilon

Detects Pyinstaller

pyinstaller
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

2024-08-20 22:01

Reported

2024-08-20 22:02

Platform

win7-20240708-en

Max time kernel

0s

Max time network

0s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc

Signatures

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_Classes\Local Settings C:\Windows\system32\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 816 wrote to memory of 848 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\rundll32.exe
PID 816 wrote to memory of 848 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\rundll32.exe
PID 816 wrote to memory of 848 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\rundll32.exe

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-20 22:01

Reported

2024-08-20 22:02

Platform

win10v2004-20240802-en

Max time kernel

4s

Max time network

6s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc

Signatures

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000_Classes\Local Settings C:\Windows\system32\cmd.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000_Classes\Local Settings C:\Windows\system32\OpenWith.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\system32\OpenWith.exe N/A

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc

C:\Windows\system32\OpenWith.exe

C:\Windows\system32\OpenWith.exe -Embedding

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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp

Files

N/A