Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2024, 04:43

General

  • Target

    2024-08-21_0ad7841ac4d23c5f4dcce92850355362_cryptolocker.exe

  • Size

    80KB

  • MD5

    0ad7841ac4d23c5f4dcce92850355362

  • SHA1

    c6e3d9c53b1968e39bbf75c0492f76351e5621b8

  • SHA256

    bd6d16098c56578432cc677a1be9d7db912b6b050c840fea078d689eb568e351

  • SHA512

    50f09c6c755b05acb71b22192a6e875eda4084b4bab2d958df0db7f3de34256915ba84c1be91cc222d871c61dcee1474dc623f107c9b139169843f014baf15e2

  • SSDEEP

    1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsoLktN0:X6a+SOtEvwDpjBZYvQd2j

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\2024-08-21_0ad7841ac4d23c5f4dcce92850355362_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-21_0ad7841ac4d23c5f4dcce92850355362_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2932
    • 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:3680

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          80KB

          MD5

          9ecd71a2a7a237c77de7367078bd0dbf

          SHA1

          5a0d3d12d1121047cc98e86bd0c96f35e70d02d5

          SHA256

          a86ea373c8659466192df6dde26ca7cef9269873362f3f2b1a310a691cf43e53

          SHA512

          74ddbcbac3baa9d115f44f23c4705ec7a90a74821db9fa8a9f4b540b6f7b33ce29a4d822d3ecb3d03a6561beaeca2c469f63e60630cc0e1a5fa1ab99e36cfc67

        • memory/2932-0-0x0000000000520000-0x0000000000526000-memory.dmp

          Filesize

          24KB

        • memory/2932-1-0x0000000000520000-0x0000000000526000-memory.dmp

          Filesize

          24KB

        • memory/2932-2-0x0000000002220000-0x0000000002226000-memory.dmp

          Filesize

          24KB

        • memory/3680-18-0x00000000006B0000-0x00000000006B6000-memory.dmp

          Filesize

          24KB

        • memory/3680-17-0x0000000000690000-0x0000000000696000-memory.dmp

          Filesize

          24KB