Analysis

  • max time kernel
    149s
  • max time network
    134s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/08/2026, 19:57

General

  • Target
    NotPetya.exe
  • Size 390KB
  • Sample260810-ypr1msxble
  • SHA256 e2ea7f9581a7e1386fc6601d1421e1194373c1c891f2d406de6d49810fcc7737
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Mimikatz

    mimikatz is an open source tool to dump credentials on Windows.

  • mimikatz is an open source tool to dump credentials on Windows 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NotPetya.exe
    "C:\Users\Admin\AppData\Local\Temp\NotPetya.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4348
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\Windows\perfc.dat #1
      2⤵
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4624
      • C:\Windows\SysWOW64\cmd.exe
        /c schtasks /Create /SC once /TN "" /TR "C:\Windows\system32\shutdown.exe /r /f" /ST 21:61
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3636
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /Create /SC once /TN "" /TR "C:\Windows\system32\shutdown.exe /r /f" /ST 21:61
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:4168
      • C:\Users\Admin\AppData\Local\Temp\7BFC.tmp
        "C:\Users\Admin\AppData\Local\Temp\7BFC.tmp" \\.\pipe\{D1DE8EFE-F1C7-4B46-88EB-F391747A7B32}
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3856

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7BFC.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\7BFC.tmp
        • Size 55KB
        • SHA256 02ef73bd2458627ed7b397ec26ee2de2e92c71a0e7588f78734761d8edbdcd9f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        perfc.dat

        • Path C:\Windows\perfc.dat
        • Size 353KB
        • SHA256 027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4624-3-0x00000000025D0000-0x000000000262E000-memory.dmp

        memory/4624-10-0x00000000025D0000-0x000000000262E000-memory.dmp

        memory/4624-13-0x00000000025D0000-0x000000000262E000-memory.dmp

        memory/4624-11-0x00000000025D0000-0x000000000262E000-memory.dmp

        memory/4624-24-0x00000000025D0000-0x000000000262E000-memory.dmp