Resubmissions

09-10-2024 04:07

241009-epr6vsyfjd 3

09-10-2024 04:02

241009-el27naybrb 3

Analysis

  • max time kernel
    120s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-10-2024 04:07

General

  • Target

    Yamaha Vocaloid 6.4.2 Full Package.rar

  • Size

    867.8MB

  • MD5

    7e1db8f58e1aa45b26fb4457be5bb926

  • SHA1

    5df6034ea5a6ea8d94ef74cd602bfe609bb622da

  • SHA256

    389e69968bd3dcfbc4efb012df0713e31ae55c04239a3022bddcee66935e4fbd

  • SHA512

    5ec500357e876aacfce5a7217b4219136f4ed44b63a994a58e9b40a7d51e27120acdb189fca8ecb0f1267c9d9ea8ef713926a1f3f80f77f27fb644c3a5187c38

  • SSDEEP

    25165824:vMo2UmPaYRN9LRI92r5v1NXIabzZ6XyOYwTKMxXxxJ:vMoqaYRP7h1dIaHZ6OIKYxv

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of FindShellTrayWindow 10 IoCs
  • Suspicious use of SendNotifyMessage 8 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\Yamaha Vocaloid 6.4.2 Full Package.rar"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Yamaha Vocaloid 6.4.2 Full Package.rar
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:600
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Yamaha Vocaloid 6.4.2 Full Package.rar
        3⤵
        • Modifies registry class
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of WriteProcessMemory
        PID:2784
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Yamaha Vocaloid 6.4.2 Full Package.rar
          4⤵
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:2880
          • C:\Program Files\VideoLAN\VLC\vlc.exe
            "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\Yamaha Vocaloid 6.4.2 Full Package.rar"
            5⤵
            • Suspicious behavior: AddClipboardFormatListener
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of SetWindowsHookEx
            PID:1212
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:2824

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/1212-37-0x000007FEF5C00000-0x000007FEF5C34000-memory.dmp

      Filesize

      208KB

    • memory/1212-36-0x000000013F910000-0x000000013FA08000-memory.dmp

      Filesize

      992KB

    • memory/1212-38-0x000007FEF5940000-0x000007FEF5BF6000-memory.dmp

      Filesize

      2.7MB

    • memory/1212-39-0x000007FEF4430000-0x000007FEF54E0000-memory.dmp

      Filesize

      16.7MB