Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    06/06/2024, 21:39

General

  • Target

    2024-06-06_f1432583ed741649cb501945b93bdcdc_cryptolocker.exe

  • Size

    45KB

  • MD5

    f1432583ed741649cb501945b93bdcdc

  • SHA1

    ad3584cd6624e4218044f4cdef969f619af32da8

  • SHA256

    b75d5910b1f48d41bed8a29967091c7bb97c3dfbe4d8c4e14b5a78308d53ee97

  • SHA512

    9cc9d80ea99f9b581b5f4d9171505dce0dcc4701efeb0bca73635f69bca71b3c63814a190d4f724d3be795f536347d3f3c174194125adc999b76761ab22a2f44

  • SSDEEP

    768:bao/2n1TCraU6GD1a4X1XOQ69zbjlAAX5e9zz:bF/y2lFizbR9Xwzz

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-06_f1432583ed741649cb501945b93bdcdc_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-06_f1432583ed741649cb501945b93bdcdc_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3004
    • C:\Users\Admin\AppData\Local\Temp\rewok.exe
      "C:\Users\Admin\AppData\Local\Temp\rewok.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:2552

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

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

          Filesize

          45KB

          MD5

          ebf17f8bfb564936eab4dc5794406f54

          SHA1

          c80f071c92a45004b6a0e0b7827fa0d2670d4538

          SHA256

          f9ab409c2f4156e7f6963bb275a92a8967791125671fb490337141ec6cceb075

          SHA512

          1d6345c4dcc9a0356053cc417d0b512acb11d8afa7afc8c272af0dfcaa1ca7f238c7aae5da2c580c8059692a1bb5f51eb8a0ca9470718d5626750213d97079a8

        • memory/2552-23-0x00000000003C0000-0x00000000003C6000-memory.dmp

          Filesize

          24KB

        • memory/3004-0-0x0000000000780000-0x0000000000786000-memory.dmp

          Filesize

          24KB

        • memory/3004-1-0x0000000000400000-0x0000000000406000-memory.dmp

          Filesize

          24KB

        • memory/3004-8-0x0000000000780000-0x0000000000786000-memory.dmp

          Filesize

          24KB