Analysis
- user interaction
yes - max time kernel
298s - max time network
133s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/08/2026, 11:52
Behavioral task
behavioral1
Sample
Meccha.Chameleon.Tools.exe
Resource
win10v2004-20260513-en
5 signatures
300 seconds
Behavioral task
behavioral2
Sample
Meccha.Chameleon.Tools.exe
Resource
win11ltsc2024-20260710-en
7 signatures
300 seconds
Behavioral task
behavioral3
Sample
__init__.pyc
Resource
win10v2004-20260513-en
4 signatures
300 seconds
Behavioral task
behavioral4
Sample
__init__.pyc
Resource
win11ltsc2024-20260710-en
6 signatures
300 seconds
General
- Target __init__.pyc
- Size 3KB
- Sample260807-n16casff38
- SHA256 e0c2cd8246c6b20a71b7e654945eff0502ea69a296427c32c88af4abfba65d6b
- MD5 8679b2c9ba9c8d1ef4cadefb362f6693
- SHA1 38daa1019d3e033786d323b7eb45d7dc436a04e3
- SHA512 eaabd8f414f772db77f90464dccea2f03993a752c2934e9411a05e24e4759e54cf50de3313f4c802c2fa511466091862849e4044405bd8b76b4d0580b567e28e
- TLSH T15B6199C2FBD7C233FD06A5BA6316314F2B2653E6F5919B2747AA90850D4A5C06C709CE
- MD5 SHA1 SHA512 TLSH
Score
3/10
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 3360 cmd.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings OpenWith.exe - Opens file in notepad (likely ransom note) 1 IoCs
pid Process 5912 NOTEPAD.EXE - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4888 OpenWith.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4888 wrote to memory of 5912 4888 OpenWith.exe 92
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\__init__.pyc1⤵
- Executes a command shell one-liner
- Modifies registry class
PID:3360
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4888 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\__init__.pyc2⤵
- Opens file in notepad (likely ransom note)
PID:5912
-