Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    09/06/2024, 07:35

General

  • Target

    2024-06-09_ea6e53294e98c5677422230ac9a313e4_cryptolocker.exe

  • Size

    78KB

  • MD5

    ea6e53294e98c5677422230ac9a313e4

  • SHA1

    64aa7c5c0da32dd565138d10e19283be2d1fb339

  • SHA256

    25e58a131929a1ad3fad20770c5147e74416ae48d6a40476f06d67ea49e6e3f7

  • SHA512

    3b8e6dfe4a6fc2ca573f4ab9000f12797a7d2435aa230155d70ec79f9c6d57b637b890b96b3a5918916b5d877e26cb834fa8c9421f479413186992f54244b443

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KUx:ZVxkGOtEvwDpjcaF

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 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\2024-06-09_ea6e53294e98c5677422230ac9a313e4_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-09_ea6e53294e98c5677422230ac9a313e4_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    78KB

    MD5

    f05cbd72e0643adc441607561d802b6e

    SHA1

    3381af18da5b8dd8543423d67ae84ef69da581c5

    SHA256

    228ee8de02912dc9fed851d3aaa0db866573d10d6c6b2e8bd3950bd3b0ebaa55

    SHA512

    a8b87bccc245fe57e0fac419e0ddc1c8e812b11da87d26de9bcb8a78735500666e9b778d4a7d2ac7f0345bd9d0551f0ec276324450bc300d402515f93ee0de9d

  • memory/2216-16-0x0000000000380000-0x0000000000386000-memory.dmp

    Filesize

    24KB

  • memory/2216-23-0x0000000000230000-0x00000000002B0000-memory.dmp

    Filesize

    512KB

  • memory/2216-24-0x0000000000340000-0x0000000000346000-memory.dmp

    Filesize

    24KB

  • memory/2408-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/2408-1-0x0000000000310000-0x0000000000316000-memory.dmp

    Filesize

    24KB

  • memory/2408-9-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/2408-8-0x0000000000230000-0x00000000002B0000-memory.dmp

    Filesize

    512KB