Analysis

  • max time kernel
    94s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/10/2024, 03:00

General

  • Target

    2024-10-10_82208b5e0d7d20d85fc66b57fa22e3b9_cryptolocker.exe

  • Size

    41KB

  • MD5

    82208b5e0d7d20d85fc66b57fa22e3b9

  • SHA1

    0eb7beb9e28d93787e37f21644dd755c38d25f2c

  • SHA256

    56df82623e8fdfdfb9bff248234265dc6bda94354d31e1183bda383a6770ef07

  • SHA512

    12aa5bf1e73aa5caaacc400092dd5c0d6669da66d590a00d4c3c42e938473e677c17c374db0a47c06aff549b462ce11d1b1b838b5fab126e7f15a96d43ea175e

  • SSDEEP

    768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGpebVIYLHA3Kxy:o1KhxqwtdgI2MyzNORQtOflIwoHNV2X/

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 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\2024-10-10_82208b5e0d7d20d85fc66b57fa22e3b9_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-10_82208b5e0d7d20d85fc66b57fa22e3b9_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2940
    • C:\Users\Admin\AppData\Local\Temp\hurok.exe
      "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:756

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          41KB

          MD5

          36a7bab68c7e98523d51923b84b3f3b7

          SHA1

          9c137a3604b8cc7e67b60f59649bea7150622b1c

          SHA256

          92c0a4e4c74e79506e308a25450bd5402fa47288947a6c5b4ae0d2c336f04c1c

          SHA512

          038f8d1c43b4f4ccbb4e84e695a33e4cf2ce7c188474ca30e376cd5c55d8587d2db774a1acbfbd43f59c7021e5150aa31d3e1ebfe1e232b5ba9347b1f27f4a4e

        • memory/756-19-0x00000000021D0000-0x00000000021D6000-memory.dmp

          Filesize

          24KB

        • memory/2940-0-0x00000000005C0000-0x00000000005C6000-memory.dmp

          Filesize

          24KB

        • memory/2940-1-0x00000000005C0000-0x00000000005C6000-memory.dmp

          Filesize

          24KB

        • memory/2940-2-0x0000000000400000-0x0000000000406000-memory.dmp

          Filesize

          24KB