Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10/10/2024, 05:29

General

  • Target

    2024-10-10_cf77b508971faf56620d00adf36bb608_cryptolocker.exe

  • Size

    63KB

  • MD5

    cf77b508971faf56620d00adf36bb608

  • SHA1

    dfc401527539b181d4bc9ee7cff799bc22672564

  • SHA256

    11f95816d62f117d180948710b1aea903f30a7c93181dce6a60c8cc5576eb518

  • SHA512

    1d454caf33693ff49fb84fd339b5afc54ef693f95a5679a925ba0943c0c046c69bb68204e19be27524a4a60055af9efe3fded6f78c1e33c16185ba19d59a4724

  • SSDEEP

    1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZne:btng54SMLr+/AO/kIhfoKMHdae

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.

  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-10_cf77b508971faf56620d00adf36bb608_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-10_cf77b508971faf56620d00adf36bb608_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2664
    • C:\Users\Admin\AppData\Local\Temp\gewos.exe
      "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of UnmapMainImage
      PID:2812

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          63KB

          MD5

          3347e22756d3ee755985e5404860efe4

          SHA1

          94539163d0ba441d58bdd00590273dc6cb30b8c8

          SHA256

          ca9a2e4e92759fbc0f3984639a1abf11634b83d2571b3701a3b59685534ac051

          SHA512

          52b8db01686f0e599c8650dcb16609f4387cf3769b64f425910e3ea828f7883943a56cf220d83890b1b79270a2cf62436ebdb5a7054a4916d4930a25fbba0ff2

        • memory/2664-0-0x00000000002E0000-0x00000000002E6000-memory.dmp

          Filesize

          24KB

        • memory/2664-1-0x0000000000400000-0x0000000000406000-memory.dmp

          Filesize

          24KB

        • memory/2664-8-0x00000000002E0000-0x00000000002E6000-memory.dmp

          Filesize

          24KB

        • memory/2812-23-0x00000000003E0000-0x00000000003E6000-memory.dmp

          Filesize

          24KB