Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 06:38

General

  • Target

    2024-10-09_441819c3668a882a1e5dea8a7a5ddb3a_cryptolocker.exe

  • Size

    35KB

  • MD5

    441819c3668a882a1e5dea8a7a5ddb3a

  • SHA1

    f0ae32859aa1b421df6ff1616ea2085ec197d146

  • SHA256

    a32cc1d0f0114700122e30506ff8b113b89701b151c1e1b3d1016f4d3a5ce31e

  • SHA512

    0d39b333d048ab564aaadc1711697b457b08b928594f6cb3a78560bb6d3ebb6ed5f546e3e43e7fcd1272615148bea218f35654e2166ab140970533f57cb50ce8

  • SSDEEP

    384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzoiM8Nekdvjl9V50ixDdj6:bAvJCYOOvbRPDEgXrNekd7l94iW

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-09_441819c3668a882a1e5dea8a7a5ddb3a_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-09_441819c3668a882a1e5dea8a7a5ddb3a_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3580
    • C:\Users\Admin\AppData\Local\Temp\demka.exe
      "C:\Users\Admin\AppData\Local\Temp\demka.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4240

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\demka.exe

    Filesize

    35KB

    MD5

    87151e3b97c5a1666ec134e2d499c8c6

    SHA1

    f5e776a88082c94d76ee569744a617a6cd55be41

    SHA256

    8127fcf876c271f1c3cb84c28e8223bc495cfc7ce6da311aff3f2f228fdf8bcf

    SHA512

    1b6cfb887685eb4f71d730d4346be89d7472635a1da489b84548caab7cd0ce89a1f028b6e08a390f86e620b28f5be94134ae331ae7ec1b8f4660d8ebada685e1

  • memory/3580-0-0x00000000022A0000-0x00000000022A6000-memory.dmp

    Filesize

    24KB

  • memory/3580-1-0x00007FF8382B0000-0x00007FF8384A5000-memory.dmp

    Filesize

    2.0MB

  • memory/3580-2-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/4240-25-0x00007FF8382B0000-0x00007FF8384A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4240-27-0x00007FF8382B0000-0x00007FF8384A5000-memory.dmp

    Filesize

    2.0MB