Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    11/06/2024, 02:29

General

  • Target

    2024-06-11_f4d590783aa8198108ab47c243a25950_cryptolocker.exe

  • Size

    82KB

  • MD5

    f4d590783aa8198108ab47c243a25950

  • SHA1

    3b0f0406a92ff0375ae5fdfcbf4177275c9814b9

  • SHA256

    9650a7ffe07f58cb7d6a4faf613f0451ce0d593945d345b0fcb02cc6c6c6804f

  • SHA512

    00a083c49ae82ce825dccc2f6ae9bfd9cce7c8048ccb16826d369a0595e03a81a1b3d0669072299d9986a55c0b65e5947387afff8de56fd7c27f166c9ac39eca

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNqO:vCjsIOtEvwDpj5H9YvQd2T

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • 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\2024-06-11_f4d590783aa8198108ab47c243a25950_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-11_f4d590783aa8198108ab47c243a25950_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2984
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2712

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          83KB

          MD5

          d8f01b7789f3a8b806c26a3d089209a6

          SHA1

          73d0a672cf244b81db65884f91d9d3df9b3f5a60

          SHA256

          0f97b5f86658abd848caf9b8b31685316e64bd52032018e81d104d610acf9f13

          SHA512

          3e4d8d4aaf444b5588ff25676a85046e9d14f25a2d96621201c8153b87782c6455ef343c5dd4ebbfeb1d322c14cf2101dce49d5ef51551f4ea1e072a7b5483f0

        • memory/2712-15-0x00000000004C0000-0x00000000004C6000-memory.dmp

          Filesize

          24KB

        • memory/2712-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

          Filesize

          24KB

        • memory/2984-0-0x00000000004A0000-0x00000000004A6000-memory.dmp

          Filesize

          24KB

        • memory/2984-1-0x00000000020B0000-0x00000000020B6000-memory.dmp

          Filesize

          24KB

        • memory/2984-8-0x00000000004A0000-0x00000000004A6000-memory.dmp

          Filesize

          24KB