Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-09-2024 03:43

General

  • Target

    2024-09-09_d7d156be67367dec7bd4d1b73ee5488d_cryptolocker.exe

  • Size

    45KB

  • MD5

    d7d156be67367dec7bd4d1b73ee5488d

  • SHA1

    f96200ffb199b20722a062adefcfc1fdb463edcc

  • SHA256

    c2697708c56ffd777f7c208e751d85dff9dbae55908a88295cca2390577cac15

  • SHA512

    3add5bb44b5b220415ae1c363b0788f9313490180a052ac69e344c6481df1c62f8467907b56dbdbbbd69c996a8fbe58c5e7e36ba2eaf1742e4bea182ae479306

  • SSDEEP

    384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUk38:bm74zYcgT/EkM0ryfjd38

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\2024-09-09_d7d156be67367dec7bd4d1b73ee5488d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-09_d7d156be67367dec7bd4d1b73ee5488d_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1352
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3464

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    45KB

    MD5

    c54f99c10137da09b159823b09e04644

    SHA1

    96d2d0083743ab2410a190c54b11eda2473fa79f

    SHA256

    7fe1e8438c0f5c355fff4fc4c42de3f6cc5981b2012b87a3cdd80654fea7a6ce

    SHA512

    2498b2104cf9978c3fadfe94ff15fc302c00e6bc8f8005aa65b867e283eeb59a8106a48290c45f2eeac927f4680ecc585ea2128ddeb8a3d9d359f3e8d3249df9

  • memory/1352-0-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/1352-1-0x0000000002260000-0x0000000002266000-memory.dmp

    Filesize

    24KB

  • memory/1352-2-0x0000000002260000-0x0000000002266000-memory.dmp

    Filesize

    24KB

  • memory/1352-3-0x0000000003150000-0x0000000003156000-memory.dmp

    Filesize

    24KB

  • memory/1352-16-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/3464-19-0x0000000002590000-0x0000000002596000-memory.dmp

    Filesize

    24KB

  • memory/3464-25-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/3464-26-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB