Analysis

  • user interaction
    yes
  • max time kernel
    50s
  • max time network
    52s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/09/2026, 02:44

General

  • Target
    dlssnr_on_amd_setup.exe
  • Size 7.2MB
  • Sample260910-c78kfsvbmh
  • SHA256 4fcd167d07bc4964eaf9162aa8f4f11e852b91bf866b28cb48d45934022440bc
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Modifies file permissions 1 TTPs 2 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dlssnr_on_amd_setup.exe
    "C:\Users\Admin\AppData\Local\Temp\dlssnr_on_amd_setup.exe"
    1⤵
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4924
    • C:\Windows\SYSTEM32\icacls.exe
      icacls.exe "C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\dlssnr_on_amd.ini" /grant *S-1-5-32-545:M
      2⤵
      • Modifies file permissions
      PID:3564
    • C:\Windows\SYSTEM32\icacls.exe
      icacls.exe "C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\dlssnr_on_amd.log" /grant *S-1-5-32-545:M
      2⤵
      • Modifies file permissions
      PID:4684

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        dlssnr_on_amd.ini

        • Path C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\dlssnr_on_amd.ini
        • Size 210B
        • SHA256 175c1ca1644a2e1cad9663ff201d47aa8b5b9b4379b1655bc5a19fb1e145feb8
        • MD5 SHA1 SHA512 TLSH