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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    19/03/2024, 01:15

General

  • Target

    2024-03-19_ddebbb2bed88cc53d60a66bf5f8d2b98_cryptolocker.exe

  • Size

    128KB

  • MD5

    ddebbb2bed88cc53d60a66bf5f8d2b98

  • SHA1

    00ad85636f231d6c14a82588d0e0843fe7ea8aeb

  • SHA256

    54c18d5a7f392c20acf9744b8b991e64ce14b8545c1027e513a151d1cce6b2ad

  • SHA512

    3a852a10e86b926ce919357b06708bb05fd2a5ec0537456be32176b6f12c8e835a34726aecaf70f953d231416996189422252127260bb055fee6eaf17375eddc

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVbvh//fRG:vCjsIOtEvwDpj5H9YvQd2RG

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\2024-03-19_ddebbb2bed88cc53d60a66bf5f8d2b98_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-19_ddebbb2bed88cc53d60a66bf5f8d2b98_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2992
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2656

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    129KB

    MD5

    e24e258d752ead733c6e514ae5b2bc2d

    SHA1

    721c04e48c7164e0873f1d1ff901b83492420021

    SHA256

    1f2e6b1283bcb7ccad41a039610f67f62f5b90874083b7b6f03629bc7d307425

    SHA512

    caf9800f6218be75d484c44b15df6845037ebef239b68e0a4653bde92b7161db1f9537da27890509f6625ee50609f435d890014444be194bce5cbf38c23a7838

  • memory/2656-15-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2656-18-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2992-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2992-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2992-2-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB