Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    15/06/2024, 17:08

General

  • Target

    20240615a1af3f97d301f9f381cd9ac1d9861f21cryptolocker.exe

  • Size

    47KB

  • MD5

    a1af3f97d301f9f381cd9ac1d9861f21

  • SHA1

    d5ae9101fcf1d767984539ff0014f0341b88a4b1

  • SHA256

    a594458be002964faeb265cd983649da127b795e92d0bf1f2ce359693f2ed291

  • SHA512

    76b81eed9239eceb75f52082753ab0b6e5eb6d6978639de231e50bbf535a3660a5f7f8ed7b48f7fae5606c27ecc221872067c444251f0800ace151aa8290f953

  • SSDEEP

    384:e/4wODQkzonAYsju5N/surDQtOOtEvwDpjqIGROqS/WccJVJwi2B5oCCM8CLW2Vp:79inqyNR/QtOOtEvwDpjBKccJVODvy3Y

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20240615a1af3f97d301f9f381cd9ac1d9861f21cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\20240615a1af3f97d301f9f381cd9ac1d9861f21cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2924
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:3040

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Users\Admin\AppData\Local\Temp\asih.exe

          Filesize

          47KB

          MD5

          a3cebacd627ecf8ff10eff90befffc8c

          SHA1

          a0d6148a7876acf64f5a4f0cc73ac4b3ce1e8824

          SHA256

          ee175a83ea2bebff4da5d5bc5da60c0e95142a614f36ba997f608b74de578b80

          SHA512

          37990b5bfa719af0005025b0b59783529bb53ab49b5c692adb99cf774a996cf097af59bea51418870198acdb82f2c7e1947710534fc91660989a8bda0c4e7202

        • memory/2924-0-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/2924-1-0x0000000000240000-0x0000000000246000-memory.dmp

          Filesize

          24KB

        • memory/2924-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

          Filesize

          24KB

        • memory/2924-9-0x0000000000240000-0x0000000000246000-memory.dmp

          Filesize

          24KB

        • memory/2924-15-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/3040-17-0x0000000000490000-0x0000000000496000-memory.dmp

          Filesize

          24KB

        • memory/3040-24-0x0000000000440000-0x0000000000446000-memory.dmp

          Filesize

          24KB

        • memory/3040-25-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB