Analysis
- max time kernel
42s - max time network
40s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
20/10/2026, 23:18
Static task
static1
Behavioral task
behavioral1
Sample
yes.bat.ps1
Resource
win10v2004-20260911-en
6 signatures
150 seconds
General
- Target yes.bat.ps1
- Size 1KB
- Sample261020-3affhsbs3p
- SHA256 496b8c498230d70db050fb9ae45b6da6633215018a87ef7961ced45d01b522a9
- MD5 b9674255fb7362658064b7aeec273944
- SHA1 e3a9278096eaaf96dbfcd1013afa16fff6b20d3d
- SHA512 3d39e1acd70cc8aba660dbc150ca073523825cb6a0dfe0786415935254e13f91380b5e9d6c785e8a64144fc65ba4e6b1000c5b9178b760a5a1ee6e7b67fd3e51
- TLSH T1E8313E243D767DA1027374A041B329DBA3AA11CBEEC63AE061C54188206B78C932DEDD
- MD5 SHA1 SHA512 TLSH
Score
7/10
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\Control Panel\International\Geo\Nation cmd.exe - 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 4772 cmd.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000_Classes\Local Settings cmd.exe - Opens file in notepad (likely ransom note) 1 IoCs
pid Process 1780 notepad.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4772 wrote to memory of 1780 4772 cmd.exe 86
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\yes.bat.ps11⤵
- Checks computer location settings
- Executes a command shell one-liner
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4772 -
C:\Windows\System32\notepad.exe"C:\Windows\System32\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\yes.bat.ps1"2⤵
- Opens file in notepad (likely ransom note)
PID:1780
-