Analysis

  • max time kernel
    148s
  • max time network
    140s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/08/2026, 17:01

General

  • Target
    Autocaptain-Setup-v0.2.0.exe
  • Size 383KB
  • Sample260807-vjshfahn5v
  • SHA256 e495eb44d9c08f90f7a9c6075bd2c805842da9f8ee83cd2487537ae390d96e3d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • 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 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Autocaptain-Setup-v0.2.0.exe
    "C:\Users\Admin\AppData\Local\Temp\Autocaptain-Setup-v0.2.0.exe"
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4464
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RarSFX0\Setup.cmd" "
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:1824
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -NoProfile -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Install-Autocaptain.ps1"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2912

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Install-Autocaptain.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\Install-Autocaptain.ps1
        • Size 11KB
        • SHA256 6bfff3af47ac02d8028354e8fc8ee1144aac5ffd6fe948620337db29cf8f6c49
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Setup.cmd

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\Setup.cmd
        • Size 121B
        • SHA256 c1e7d426fae379acf197f647b8e5fa5c482f2755ee7135a51e5180b0e3d06e3c
        • MD5 SHA1 SHA512 TLSH

        memory/2912-31-0x00007FF8A11D0000-0x00007FF8A1B74000-memory.dmp

        memory/2912-32-0x00007FF8A11D0000-0x00007FF8A1B74000-memory.dmp

        memory/2912-27-0x00000213B55C0000-0x00000213B55E2000-memory.dmp

        memory/2912-28-0x00007FF8A11D0000-0x00007FF8A1B74000-memory.dmp

        memory/2912-29-0x00007FF8A11D0000-0x00007FF8A1B74000-memory.dmp

        memory/2912-23-0x00007FF8A11D0000-0x00007FF8A1B74000-memory.dmp

        memory/2912-22-0x00007FF8A135F000-0x00007FF8A1360000-memory.dmp

        memory/2912-25-0x00007FF8A11D0000-0x00007FF8A1B74000-memory.dmp

        memory/2912-33-0x00007FF8A11D0000-0x00007FF8A1B74000-memory.dmp

        memory/2912-34-0x00007FF8A11D0000-0x00007FF8A1B74000-memory.dmp

        memory/2912-35-0x00007FF8A11D0000-0x00007FF8A1B74000-memory.dmp

        memory/2912-36-0x00007FF8A11D0000-0x00007FF8A1B74000-memory.dmp

        memory/2912-37-0x00007FF8A11D0000-0x00007FF8A1B74000-memory.dmp

        memory/2912-39-0x00007FF8A11D0000-0x00007FF8A1B74000-memory.dmp