Analysis

  • max time kernel
    31s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    05/09/2024, 18:44

General

  • Target

    2024-09-05_7c61630b908da02bf6368979feb33c0b_cryptolocker.exe

  • Size

    32KB

  • MD5

    7c61630b908da02bf6368979feb33c0b

  • SHA1

    7c675355e635e45fee1822d2cb1ecd6b7bf3b992

  • SHA256

    1ded04927afcf607ff83a6ff00c0b6a3791245ea517decc6252b0379d3f90acb

  • SHA512

    2fd1b538a69dd7da3fb694d24735005c53020d1ac84aea32670831e52f7345d5ad387f4a67aff3fae0a1b16c66b766aa313e5e44bdff46393bd7c94cae24a066

  • SSDEEP

    384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cJ3vdoo:bAvJCYOOvbRPDEgXRcJd

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\2024-09-05_7c61630b908da02bf6368979feb33c0b_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-05_7c61630b908da02bf6368979feb33c0b_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2544
    • 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:2732

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          32KB

          MD5

          6af3ecd249e2b5f9c5a31863758d32f0

          SHA1

          ddebde4711cc6c75124b92420bd371e7a0cc1cad

          SHA256

          6dd21363a9131eec55dcdcbafacea0ceb25cbd584ac6bb00e70444ebd9e15817

          SHA512

          3248b0b97ee9574bf2d5309387268cc8d3601b102bd402de8fb1be9ec1f2956248e33d29ecfd527d3acebb785a6d9325791e2589aa344ff2f90090bdafcdf7bf

        • memory/2544-0-0x00000000003D0000-0x00000000003D6000-memory.dmp

          Filesize

          24KB

        • memory/2544-8-0x00000000003D0000-0x00000000003D6000-memory.dmp

          Filesize

          24KB

        • memory/2544-1-0x0000000000400000-0x0000000000406000-memory.dmp

          Filesize

          24KB

        • memory/2732-23-0x0000000000200000-0x0000000000206000-memory.dmp

          Filesize

          24KB