Analysis

  • user interaction
    yes
  • max time kernel
    140s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 14:04

General

  • Target
    MasterstrapSetup.exe
  • Size 7.9MB
  • Sample260809-rdrr6ssvaw
  • SHA256 a12304d3ed387954d8acfe31b29abb1674c0708b5abcf69d8cb04f22c3fcb3c0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10

Malware Config

Signatures

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MasterstrapSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\MasterstrapSetup.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4440

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Masterstrap.exe

        • Path C:\Users\Admin\AppData\Local\Masterstrap\Application\Masterstrap.exe
        • Size 213KB
        • SHA256 64e1e01f9df6718a95ceee1d07489e48b4c3a41cbc256e917f54a3b6d4a7528d
        • MD5 SHA1 SHA512 SSDEEP TLSH