Overview
overview
10Static
static
10Chay-Tai-macOSx.cmd
windows10-2004-x64
1Chay-Tai-macOSx.cmd
windows11-21h2-x64
1Tai-macOSx...ub.lnk
windows10-2004-x64
7Tai-macOSx...ub.lnk
windows11-21h2-x64
3Tai.macOSx.vbs
windows10-2004-x64
7Tai.macOSx.vbs
windows11-21h2-x64
3restore-ma...ub.ps1
windows10-2004-x64
8restore-ma...ub.ps1
windows11-21h2-x64
8Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/06/2026, 06:20
Static task
static1
Behavioral task
behavioral1
Sample
Chay-Tai-macOSx.cmd
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Chay-Tai-macOSx.cmd
Resource
win11-20260513-en
Behavioral task
behavioral3
Sample
Tai-macOSx-tu-GitHub.lnk
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
Tai-macOSx-tu-GitHub.lnk
Resource
win11-20260513-en
Behavioral task
behavioral5
Sample
Tai.macOSx.vbs
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
Tai.macOSx.vbs
Resource
win11-20260513-en
Behavioral task
behavioral7
Sample
restore-macOSx-from-github.ps1
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
restore-macOSx-from-github.ps1
Resource
win11-20260513-en
General
- Target Tai.macOSx.vbs
- Size 507B
- Sample260602-g3rhlaez2w
- SHA256 18cc8da882a1a9591688713db6b72feb2bcada5916113a70caec1aacc7f75f84
- MD5 ee0f47bf9c0d5c451fd6ab7b08e74723
- SHA1 9e3292e8436b5283771b33c37faec2f9c2e35c2a
- SHA512 f0f85860a5e868843fc5afff46755d5276b3378c99e50c24931c606f225670b6f6119bed42965ebecf0adea398221bd6d12d0fb48393b7d5e38a7359bb04771a
- TLSH T18BF09E09E95FC5784823D59273EF9C5EDB3070995924F1ED19A4C8C884243BD4B554CB
- MD5 SHA1 SHA512 TLSH
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-1-5-21-668679576-120646659-2289335452-1000\Control Panel\International\Geo\Nation WScript.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 688 wrote to memory of 4624 688 WScript.exe 89 PID 4624 wrote to memory of 3496 4624 cmd.exe 91
Processes
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Tai.macOSx.vbs"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:688 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Chay-Tai-macOSx.cmd" "2⤵
- Suspicious use of WriteProcessMemory
PID:4624 -
C:\Windows\system32\where.exewhere powershell.exe3⤵PID:3496
-
-