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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    07/06/2024, 12:45

General

  • Target

    2024-06-07_7dda9206ad450e42c7f478c9d68c510c_cryptolocker.exe

  • Size

    44KB

  • MD5

    7dda9206ad450e42c7f478c9d68c510c

  • SHA1

    3b400b72f4c694156a21f8aba9b2a0d1e0338860

  • SHA256

    e439a00b6fce8f493892689a9b4399a5a76ac686652d7355945ac329a13942ea

  • SHA512

    dabedb651e013b28af61ee6358ebf6f8bdc9287be878788bd2550678c3dab764903e92be5ecd649e00a345fce462999e8ea6ad9c7c628fb38747c995b74e7d3f

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/CtXabM08:6j+1NMOtEvwDpjrR2XabMH

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 6 IoCs
  • Detection of Cryptolocker Samples 6 IoCs
  • Detects executables built or packed with MPress PE compressor 6 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\2024-06-07_7dda9206ad450e42c7f478c9d68c510c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-07_7dda9206ad450e42c7f478c9d68c510c_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2192

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    44KB

    MD5

    840edd060b7888caff71b7f0b56df280

    SHA1

    e8f758e49afbba07c6b539a430d4aa09af26489d

    SHA256

    e0e6f41111af3f100b1e06481a8beb2e42d830c9f8c07cb83d4edf624d729c87

    SHA512

    d5fd1cf806f0ac1649d5746b57c07ef26285e89a1bd7a781f0df720e4345bae9c70e43859cc30731b1020e6016b79fc865657ef771fa296505a6851c5d182866

  • memory/2192-25-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2192-19-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2192-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2208-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2208-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2208-2-0x0000000000380000-0x0000000000386000-memory.dmp

    Filesize

    24KB

  • memory/2208-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2208-13-0x00000000005C0000-0x00000000005CF000-memory.dmp

    Filesize

    60KB

  • memory/2208-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB