Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21/09/2024, 20:26

General

  • Target

    2024-09-21_b9ca86bce4701ca892fdb67b760e77ce_cryptolocker.exe

  • Size

    33KB

  • MD5

    b9ca86bce4701ca892fdb67b760e77ce

  • SHA1

    02d3cbcf68c64813d73538834ffbd4e2d45c4395

  • SHA256

    5d2077498310df9cacacf8d0933bb2958d3e31f1bcc802f66325a9eb3d65241b

  • SHA512

    0f6b56a250688519f2f585144941c7efed8bb1eb6acac0c24ead97bfce1c7275a5f5c373b25912385854687ad712408e7d66bf47769e763a7b99ad7a0b2e40b0

  • SSDEEP

    384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cJ3v7Ldb:bAvJCYOOvbRPDEgXRcJPdb

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-21_b9ca86bce4701ca892fdb67b760e77ce_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-21_b9ca86bce4701ca892fdb67b760e77ce_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2416
    • 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
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2940

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          33KB

          MD5

          0b99465b70862cc9822d8f97b44603a0

          SHA1

          5b377d5ee949d68b43dcd55059e45fdef9062a3e

          SHA256

          cde74589e476c0237017c0786ce6199bc9c0fa9071791478b6de3c01040cb306

          SHA512

          8d21a85540c5eb9f65844499853b066babd910ecf6af364e50cc7dd9a9b3b56d5060f50b53e5a4eaf5b492694987133305033e3819ab5f6e59d063bf2a5d0136

        • memory/2416-0-0x0000000000280000-0x0000000000286000-memory.dmp

          Filesize

          24KB

        • memory/2416-8-0x0000000000280000-0x0000000000286000-memory.dmp

          Filesize

          24KB

        • memory/2416-1-0x0000000000400000-0x0000000000406000-memory.dmp

          Filesize

          24KB

        • memory/2940-16-0x00000000002D0000-0x00000000002D6000-memory.dmp

          Filesize

          24KB