Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250610-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250610-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/07/2025, 19:23

General

  • Target

    2025-07-02_0a5b87cb514d71ed1dc64fa90d81ef0c_cryptolocker_elex.exe

  • Size

    41KB

  • MD5

    0a5b87cb514d71ed1dc64fa90d81ef0c

  • SHA1

    f6a60eb54d0fe3977c07bf2d7ab543004a920278

  • SHA256

    ce48054e59acc46fd4a6c1c31dabf926f2397c6868571332ab9d9b60d826c57f

  • SHA512

    5672561454da22d8209d57a5ff9e0b51816fa7502f40327797cf2051d9f36f49af01d2715e010dfc292e5c08b671b0439e9705163201c19a67813f10bbaf8d64

  • SSDEEP

    384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf6XT+0vJsg5b5U3O2PrV:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YY

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\2025-07-02_0a5b87cb514d71ed1dc64fa90d81ef0c_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-07-02_0a5b87cb514d71ed1dc64fa90d81ef0c_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1776
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1368

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

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

          Filesize

          41KB

          MD5

          9120b5445ad9bedcef725eb222421e9f

          SHA1

          da416b4ed8c4f2079e6b5d9d09ecc5099a46b920

          SHA256

          a934b89a3ddbd820b5a0a8298c58767a12f3646c98cc5f52f1ff750f62830d71

          SHA512

          a05f8bc8bb35c402168d1f0e2fab43ccf1f329577d6b1d4793cae71ed8026d182b6de67667a4e96f08a322bf1398bd86c36d939d03bdc07cad3ea36c61e40526

        • memory/1368-17-0x0000000008000000-0x000000000800A000-memory.dmp

          Filesize

          40KB

        • memory/1368-19-0x0000000003000000-0x0000000003006000-memory.dmp

          Filesize

          24KB

        • memory/1368-25-0x0000000008000000-0x000000000800A000-memory.dmp

          Filesize

          40KB

        • memory/1776-0-0x0000000008004000-0x0000000008005000-memory.dmp

          Filesize

          4KB

        • memory/1776-1-0x0000000002340000-0x0000000002346000-memory.dmp

          Filesize

          24KB

        • memory/1776-2-0x0000000008000000-0x000000000800A000-memory.dmp

          Filesize

          40KB

        • memory/1776-3-0x0000000003140000-0x0000000003146000-memory.dmp

          Filesize

          24KB