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
    10/06/2024, 04:37

General

  • Target

    2024-06-10_3e7bfb1672f927c0d5c8b19678daa9c1_cryptolocker.exe

  • Size

    78KB

  • MD5

    3e7bfb1672f927c0d5c8b19678daa9c1

  • SHA1

    3ae0a5704a5fe715d4a2095e6f71c6493ad67efa

  • SHA256

    19e6abcaf6af252fa87f1cc602839ee01870af0b77ccad8aafe68d67e19fd825

  • SHA512

    d92c665141400404d04e3586059e087251844da0f98acfb6ed1f3d4cd9850e0d3e693e344a0acccff19a886a4217cb23c659ba8524dfed0e8327f8949b37c675

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KUa:ZVxkGOtEvwDpjcam

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\2024-06-10_3e7bfb1672f927c0d5c8b19678daa9c1_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-10_3e7bfb1672f927c0d5c8b19678daa9c1_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2140
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2880

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          78KB

          MD5

          131413826a114edaa30e91a1deb8191c

          SHA1

          aeb674dced35fd0da9d7ca6cdc86663fff5a8b53

          SHA256

          6a4104aefeeda5fbaea1965a106824e8162228d5ff4b1f216cbabdf5492f09aa

          SHA512

          55b3fdb4e7658b42b0e866893ebd281719d0f54c7cb9eccb55d48bae7aac4c62b21cb7791b966a812f464ec197d8d1ec7932ba1ebeb3b7eb8759271f22d103cb

        • memory/2140-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

          Filesize

          24KB

        • memory/2140-1-0x0000000000210000-0x0000000000216000-memory.dmp

          Filesize

          24KB

        • memory/2140-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

          Filesize

          24KB

        • memory/2140-8-0x00000000001C0000-0x00000000001C6000-memory.dmp

          Filesize

          24KB

        • memory/2880-16-0x0000000000470000-0x0000000000476000-memory.dmp

          Filesize

          24KB

        • memory/2880-24-0x0000000000330000-0x0000000000336000-memory.dmp

          Filesize

          24KB

        • memory/2880-23-0x0000000000240000-0x0000000000243000-memory.dmp

          Filesize

          12KB