Analysis

  • max time kernel
    898s
  • max time network
    475s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260911-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260911-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    27/10/2026, 08:14

General

  • Target
    server_win.exe
  • Size 50.5MB
  • Sample261027-j422tsda69
  • SHA256 2e6490ec4f2e995d6076a3758fea7470e24fbda923fa12fe2efc14b798cdab70
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\server_win.exe
    "C:\Users\Admin\AppData\Local\Temp\server_win.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4300
    • C:\Users\Admin\.cache\node-systray\1.0.5\tray_windows_release.exe
      C:\Users\Admin\.cache\node-systray\1.0.5\tray_windows_release.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4708

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        tray_windows_release.exe

        • Path C:\Users\Admin\.cache\node-systray\1.0.5\tray_windows_release.exe
        • Size 4.4MB
        • SHA256 680fa8a6658ac2e2e15208d91629201032248056c7e3768f576bf98c9bb6f9d6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        systrayamd64.dll

        • Path C:\Users\Admin\AppData\Roaming\systray\systrayamd64.dll
        • Size 108KB
        • SHA256 b4a66c8a25ea63409c65cadd1b55e041970e48cd35e2965fc78fc99c005beafd
        • MD5 SHA1 SHA512 SSDEEP TLSH