Analysis

  • max time kernel
    148s
  • max time network
    114s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    11/08/2026, 00:17

General

  • Target
    FACTURA.js
  • Size 25KB
  • Sample260811-alg49ssaka
  • SHA256 f8d105d5ae7e102386763dc3df44d9e373cc4b92c084c84132c6769ef83a3cbb
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Creates a file in the Startup directory 1 TTPs 1 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • 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.

  • Modifies registry class 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\FACTURA.js
    1⤵
    • Creates a file in the Startup directory
    • Modifies registry class
    PID:3340
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\loader.bat""
    1⤵
    • Process spawned unexpected child process
    • Executes a command shell one-liner
    PID:4732

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        loader.bat

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\loader.bat
        • Size 138B
        • SHA256 8c501109073ea2b052f8390c9d618bdded36d55f2ce01c22ad60dc0297a06d6c
        • MD5 SHA1 SHA512 TLSH