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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/06/2024, 03:43

General

  • Target

    2024-06-15_c0096461dd5f9b53b7a4ae355a5c6de1_cryptolocker.exe

  • Size

    87KB

  • MD5

    c0096461dd5f9b53b7a4ae355a5c6de1

  • SHA1

    79b8216c8a1f3b2bf996ba0367a1c0272771f07f

  • SHA256

    686f23c7419a2fe3ed1f0958c975ba20444b2eec0ccc398f8f6b353c3b0e4ade

  • SHA512

    26f42e9368a967be60d8ca92fe3fe9ca83b00dc044b6a77beba244b38e24fa704297f67f2924753d6f672133caddca1a66dc23a7a63c2c61e4c6ce65a8edd3ec

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNBlq:vCjsIOtEvwDpj5H9YvQd28

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

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

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-15_c0096461dd5f9b53b7a4ae355a5c6de1_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-15_c0096461dd5f9b53b7a4ae355a5c6de1_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:1520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    87KB

    MD5

    5d8ebd4b5f98b9a2b78eb3c60ee08677

    SHA1

    55728946eee66645f237614b98474eaa8a73a720

    SHA256

    8e68c46e8b8ce808e4e74fee0b91b8b0ebfe1445d681361d630f450a10c3e659

    SHA512

    1e921d93e933307689ef3a30074be4319330d3206e04473da36df21a1e07fdd7d03902ab5da965ec5f6011ad06ec802e7c731a8cc612f07731b0fd2fa128fdba

  • memory/1520-17-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/1520-23-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/2524-0-0x00000000020D0000-0x00000000020D6000-memory.dmp

    Filesize

    24KB

  • memory/2524-1-0x00000000020D0000-0x00000000020D6000-memory.dmp

    Filesize

    24KB

  • memory/2524-2-0x0000000002100000-0x0000000002106000-memory.dmp

    Filesize

    24KB