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
144s - 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 sarto_generator.py
- Size 21KB
- Sample260821-phv92stybx
- SHA256 c499e7945704118a735df7deeec2ff71c2c52ce9c747bb5490e1ad5fc81f7275
- MD5 eada42d7db583def1e7b5b44ece59402
- SHA1 701b7e184e1680bfb0b066ef377ac463c878fe4c
- SHA512 8ac7960264ee66b3e3450d7836a78e8f8c324c9eb67a831057a14185b85e03712624c72eeaa8cc83239f950163dd43c591e1b6bb2082267f9da888e57b46c560
- SSDEEP 384:Ftl4QsWB8Nv943sFMUgiOwFFPv6Hxc+x0mslIu7VtGy:Ftly2vDwFFPv+0lIu7Sy
- TLSH T19BA2D7678C4B88218332DECFE482ADAED39A134781696057F3BC01647FF1AA186DDD75
- 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 2948 cmd.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings OpenWith.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1752 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\sarto_generator.py1⤵
- Executes a command shell one-liner
- Modifies registry class
PID:2948
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1752