Overview
overview
3Static
static
1calma_generator.py
windows10-2004-x64
3calma_generator.py
windows11-ltsc_2024-x64
3jwk_daily.py
windows10-2004-x64
3jwk_daily.py
windows11-ltsc_2024-x64
3oc_generator.py
windows10-2004-x64
3oc_generator.py
windows11-ltsc_2024-x64
3sarto_generator.py
windows10-2004-x64
3sarto_generator.py
windows11-ltsc_2024-x64
3Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
21/08/2026, 12:20
Static task
static1
Behavioral task
behavioral1
Sample
calma_generator.py
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
calma_generator.py
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
jwk_daily.py
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
jwk_daily.py
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
oc_generator.py
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
oc_generator.py
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral7
Sample
sarto_generator.py
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
sarto_generator.py
Resource
win11ltsc2024-20260709-en
General
- Target jwk_daily.py
- Size 9KB
- Sample260821-phv92stybx
- SHA256 9cd2ac348c2aa39ff8b8c719d0e46e993b2886823af42f58a78dbd314f7be4de
- MD5 d20068bcd41f5e1341d777e1f8874037
- SHA1 35eab52c38f2771c89dc3f7d5979b5c94bb3003d
- SHA512 89cde3205b8c387ac9af7cc437f9ae880376e9a25a1ac72270fa2717f3e07e6b8c9944a2e8716966ad9d93207e229f7d65cb897774de8b41ee8fb7de8ae32326
- SSDEEP 192:qiQak/sE0uN6+T9RI7q9leL8Jp3DVUUrspeI4xNtZ9UoL:qpatkN7T9RwQq8Jp3DVwpeI4xXUK
- TLSH T15912B6135C9F64AA04B2865E8527D0A3FB1D400B4B65753278DCC5082F70ABEFEA78F9
- MD5 SHA1 SHA512 SSDEEP TLSH
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 3940 cmd.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000_Classes\Local Settings OpenWith.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2272 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\jwk_daily.py1⤵
- Executes a command shell one-liner
- Modifies registry class
PID:3940
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2272