Analysis

  • max time kernel
    112s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    09/06/2024, 10:48

General

  • Target

    EternalBlue.exe

  • Size

    206KB

  • MD5

    60a4b5f51d1d60f315449a294ac1ffff

  • SHA1

    4a0f3b076fea64221f137d74a112322da64c3223

  • SHA256

    dd3758da10a97e59287c0963462a8130b6a09b4de01755dc718eb994a73bd540

  • SHA512

    c0504bab53b542f6ba2d7c027273167d84eb137615a9e382241fef4e837d36b50814e746415dce4b1feefe0f75ea5979deac7e4115d5fcef2397c49957a33534

  • SSDEEP

    6144:zorIVENUnBbXDAnDmnsAjmJQ+y/L9S2z1TA+qSa/:oW1XDAnDmnsAjmJQ+yTvz9q

Malware Config

Signatures

  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • 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 Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 64 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EternalBlue.exe
    "C:\Users\Admin\AppData\Local\Temp\EternalBlue.exe"
    1⤵
    • Disables RegEdit via registry modification
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2952
    • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
      dw20.exe -x -s 1172
      2⤵
        PID:2756
      • C:\Windows\System32\dispdiag.exe
        "C:\Windows\System32\dispdiag.exe"
        2⤵
        • Drops file in Windows directory
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:2460
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Windows\System32\C_28595.NLS
        2⤵
        • Modifies registry class
        PID:848
      • C:\Windows\System32\PnPutil.exe
        "C:\Windows\System32\PnPutil.exe"
        2⤵
          PID:2308
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Windows\System32\C_20936.NLS
          2⤵
          • Modifies registry class
          PID:1072
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Windows\System32\MSNP.ax
          2⤵
          • Modifies registry class
          PID:1076
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Windows\System32\pegibbfc.rs
          2⤵
          • Modifies registry class
          PID:572

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • memory/2756-5-0x0000000000360000-0x0000000000361000-memory.dmp

              Filesize

              4KB

            • memory/2952-0-0x000007FEF5FBE000-0x000007FEF5FBF000-memory.dmp

              Filesize

              4KB

            • memory/2952-2-0x000007FEF5D00000-0x000007FEF669D000-memory.dmp

              Filesize

              9.6MB

            • memory/2952-1-0x0000000000160000-0x0000000000166000-memory.dmp

              Filesize

              24KB

            • memory/2952-3-0x000007FEF5D00000-0x000007FEF669D000-memory.dmp

              Filesize

              9.6MB

            • memory/2952-4-0x000007FEF5D00000-0x000007FEF669D000-memory.dmp

              Filesize

              9.6MB

            • memory/2952-6-0x000007FEF5FBE000-0x000007FEF5FBF000-memory.dmp

              Filesize

              4KB

            • memory/2952-7-0x000007FEF5D00000-0x000007FEF669D000-memory.dmp

              Filesize

              9.6MB

            • memory/2952-9-0x0000000000A20000-0x0000000000AA0000-memory.dmp

              Filesize

              512KB

            • memory/2952-8-0x000007FEF5D00000-0x000007FEF669D000-memory.dmp

              Filesize

              9.6MB

            • memory/2952-10-0x0000000000A20000-0x0000000000AA0000-memory.dmp

              Filesize

              512KB

            • memory/2952-11-0x0000000000A20000-0x0000000000AA0000-memory.dmp

              Filesize

              512KB