Analysis

  • max time kernel
    149s
  • max time network
    138s
  • 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, 18:29

General

  • Target
    maestro-0.1.0-setup.exe
  • Size 5.7MB
  • Sample261002-w487csfg68
  • SHA256 bcd81c7466e8a33ea478ee79d510a5bef93cdecf7b143d6c626e4fd1227a0175
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Inno Setup is an open-source installation builder for Windows applications. 3 IoCs

    Inno Setup installer

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\maestro-0.1.0-setup.exe
    "C:\Users\Admin\AppData\Local\Temp\maestro-0.1.0-setup.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3736
    • C:\Users\Admin\AppData\Local\Temp\is-WR35ZFVOBI.tmp\maestro-0.1.0-setup.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-WR35ZFVOBI.tmp\maestro-0.1.0-setup.tmp" /SL5="$901BE,4682268,896000,C:\Users\Admin\AppData\Local\Temp\maestro-0.1.0-setup.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5776
      • C:\Users\Admin\AppData\Local\Maestro\maestro.exe
        "C:\Users\Admin\AppData\Local\Maestro\maestro.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        PID:960

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        maestro.exe

        • Path C:\Users\Admin\AppData\Local\Maestro\maestro.exe
        • Size 12.3MB
        • SHA256 0f2a12fb2dc7eccb2e8cf2efb051535b077d49d994a9c96fb6f31e7455555341
        • MD5 SHA1 SHA512 SSDEEP TLSH

        maestro-0.1.0-setup.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-WR35ZFVOBI.tmp\maestro-0.1.0-setup.tmp
        • Size 4.2MB
        • SHA256 77f4cd866ab5d1eef06439aa222b4a1d065522b1c6f10cff1be9f5057f1f789e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/960-40-0x00007FF6BF4C0000-0x00007FF6BFF48000-memory.dmp

        memory/3736-0-0x0000000000310000-0x00000000003F9000-memory.dmp

        memory/3736-7-0x0000000000310000-0x00000000003F9000-memory.dmp

        memory/3736-43-0x0000000000310000-0x00000000003F9000-memory.dmp

        memory/5776-5-0x00000000010F0000-0x00000000010F1000-memory.dmp

        memory/5776-9-0x00000000010F0000-0x00000000010F1000-memory.dmp

        memory/5776-8-0x0000000000560000-0x00000000009A5000-memory.dmp

        memory/5776-11-0x0000000000560000-0x00000000009A5000-memory.dmp

        memory/5776-41-0x0000000000560000-0x00000000009A5000-memory.dmp

        memory/5776-42-0x0000000000560000-0x00000000009A5000-memory.dmp