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Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/10/2024, 23:44

General

  • Target

    2024-10-08_259b2bdd5009e3316cc571ad5c1cd777_cryptolocker.exe

  • Size

    30KB

  • MD5

    259b2bdd5009e3316cc571ad5c1cd777

  • SHA1

    c55bbd9f56904b05395598ae240f9bdae0bcbcaa

  • SHA256

    fb85bea8f92e910d53edabb8310b9f0bff1fa6b0a5d89129068e3b514adb5ea7

  • SHA512

    92fb4240e463f04fde7ac31404d585b392c2a6b3fb620f913f8599a531673ecafc78614732411ff35ad754095fd99c4bf7fb69a4cb052668fd0aa0b5dfb5264d

  • SSDEEP

    384:qxOZzyjOnqGAs+8ULueO4NdE8tOOtEvwDpjqIGRYK1sGGYt9non:q0ZziOWwULueOSdE8tOOtEvwDpje6n

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\2024-10-08_259b2bdd5009e3316cc571ad5c1cd777_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-08_259b2bdd5009e3316cc571ad5c1cd777_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2312
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:380

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    30KB

    MD5

    1970127ce095a85f30e98252d466a8b9

    SHA1

    59a3b7bd0f4d92abbac449a09e617350016af0ec

    SHA256

    609a272d19acbfcd051d0ba7c53163d5ea3107d9f58c1598173d3b0c9789ceb3

    SHA512

    f7030402938703e135889175201302d03568b6f54d734c53ab626a523bd923e8297e73958dd801848baa5a8f4c61cfac6fc555b4e5fa7d8ec99309860d9e5485

  • memory/380-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/380-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/380-26-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2312-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2312-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/2312-2-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/2312-4-0x0000000002080000-0x0000000002086000-memory.dmp

    Filesize

    24KB

  • memory/2312-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB