Analysis

  • user interaction
    yes
  • max time kernel
    104s
  • max time network
    116s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    09/08/2026, 13:06

Errors

Reason
Machine shutdown

General

  • Target
    3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff.exe
  • Size 16KB
  • Sample260809-qb7vyayake
  • SHA256 3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 26 IoCs
  • Suspicious use of SetWindowsHookEx 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff.exe
    "C:\Users\Admin\AppData\Local\Temp\3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1228
    • C:\Users\Admin\AppData\Local\Temp\3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff.exe
      "C:\Users\Admin\AppData\Local\Temp\3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff.exe" /watchdog
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3728
    • C:\Users\Admin\AppData\Local\Temp\3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff.exe
      "C:\Users\Admin\AppData\Local\Temp\3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff.exe" /watchdog
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4316
    • C:\Users\Admin\AppData\Local\Temp\3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff.exe
      "C:\Users\Admin\AppData\Local\Temp\3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff.exe" /watchdog
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3712
    • C:\Users\Admin\AppData\Local\Temp\3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff.exe
      "C:\Users\Admin\AppData\Local\Temp\3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff.exe" /watchdog
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2916
    • C:\Users\Admin\AppData\Local\Temp\3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff.exe
      "C:\Users\Admin\AppData\Local\Temp\3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff.exe" /watchdog
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3488
    • C:\Users\Admin\AppData\Local\Temp\3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff.exe
      "C:\Users\Admin\AppData\Local\Temp\3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff.exe" /main
      2⤵
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3348
      • C:\Windows\SysWOW64\notepad.exe
        "C:\Windows\System32\notepad.exe" \note.txt
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2132
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
    1⤵
      PID:556
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /0
      1⤵
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3736

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          note.txt

          • Path C:\note.txt
          • Size 218B
          • SHA256 8e9f20f6864c66576536c0b866c6ffdcf11397db67fe120e972e244c3c022270
          • MD5 SHA1 SHA512 TLSH

          memory/3736-2-0x000002C5203F0000-0x000002C5203F1000-memory.dmp

          memory/3736-3-0x000002C5203F0000-0x000002C5203F1000-memory.dmp

          memory/3736-4-0x000002C5203F0000-0x000002C5203F1000-memory.dmp

          memory/3736-11-0x000002C5203F0000-0x000002C5203F1000-memory.dmp

          memory/3736-14-0x000002C5203F0000-0x000002C5203F1000-memory.dmp

          memory/3736-13-0x000002C5203F0000-0x000002C5203F1000-memory.dmp

          memory/3736-12-0x000002C5203F0000-0x000002C5203F1000-memory.dmp

          memory/3736-10-0x000002C5203F0000-0x000002C5203F1000-memory.dmp

          memory/3736-9-0x000002C5203F0000-0x000002C5203F1000-memory.dmp

          memory/3736-8-0x000002C5203F0000-0x000002C5203F1000-memory.dmp