Analysis

  • max time kernel
    39s
  • max time network
    44s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/10/2026, 04:26

General

  • Target
    base64_detection_decode_bash.sh
  • Size 79B
  • Sample261002-e2paqsvbjd
  • SHA256 fb5bd488f410f16e7248b7ad0bc43ec7bfb99d71781ad933231aecea8ba1c057
  • MD5 SHA1 SHA512 TLSH
Score
3/10

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.

  • Modifies registry class 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\base64_detection_decode_bash.sh
    1⤵
    • Executes a command shell one-liner
    • Modifies registry class
    PID:2128
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3832

Network

        MITRE ATT&CK Enterprise v16

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