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Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    11/01/2024, 05:58

General

  • Target

    2024-01-10_f180dc70e31f8cc93ec20d9ed7847bf9_cryptolocker.exe

  • Size

    47KB

  • MD5

    f180dc70e31f8cc93ec20d9ed7847bf9

  • SHA1

    a4f86ef04f50babf9f13525dc401962478d91ee7

  • SHA256

    4edde326852f85dcd5bf8c419d25df85eb2fae59ded83f8b80a4cab17d5b91e5

  • SHA512

    bd9c7eabfe913926a442dc3a8db20e117ffc88e3cd85d8e6f303549bd7b7ad31bf4ece8f458437bf46b2b8babb57642cc46327f1be61dcbe3ccccaf54cc27128

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLtldeddKyYWZ:xj+VGMOtEvwDpjk/e/9

Score
7/10

Malware Config

Signatures

  • 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\2024-01-10_f180dc70e31f8cc93ec20d9ed7847bf9_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-10_f180dc70e31f8cc93ec20d9ed7847bf9_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2644
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    47KB

    MD5

    ac389ba8fa25313cb16d2bf21853c268

    SHA1

    ea850f7568fab79f43afd675f1fb5334a08d2dd3

    SHA256

    19aec73e378b052d1e635924c5feea0458494815752fd39c2ed1e62c5e68e022

    SHA512

    a6036215deeeb661bd5ae48777afb80c166db3ac442b74e58ca853e14b27c94908e07aff8926e522f200e76e674ecec7fd11a0757e11fec432cc1a5b3d4dd24d

  • memory/2644-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2644-1-0x00000000001E0000-0x00000000001E6000-memory.dmp

    Filesize

    24KB

  • memory/2644-2-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2644-4-0x00000000001E0000-0x00000000001E6000-memory.dmp

    Filesize

    24KB

  • memory/2644-15-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2644-16-0x0000000002480000-0x0000000002490000-memory.dmp

    Filesize

    64KB

  • memory/2644-27-0x0000000002480000-0x0000000002490000-memory.dmp

    Filesize

    64KB

  • memory/2708-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2708-19-0x0000000000380000-0x0000000000386000-memory.dmp

    Filesize

    24KB

  • memory/2708-21-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2708-28-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB