Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250619-en
  • resource tags

    arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    02/07/2025, 18:53

General

  • Target

    2025-07-02_e738c388b6a93103b33cf92a34dc0eca_cryptolocker_elex.exe

  • Size

    67KB

  • MD5

    e738c388b6a93103b33cf92a34dc0eca

  • SHA1

    a245f4c2dd86cf640b0c57aa6875a17482e6f912

  • SHA256

    b012da4b935e42099d25b0e075a9bf000bd8d7562c227c27262471219d02f17c

  • SHA512

    732dbc3e40343a377ef1e791b8905eb6e0126c4116eae6312d99aa9db229d60fc44fcf020075b6a0d808e94d00e35ae96e9f8b2f2504f65c26b95d7a3c93f31d

  • SSDEEP

    768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfZ:i5nkFGMOtEvwDpjNbwQEI8Uh

Score
7/10

Malware Config

Signatures

  • 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_e738c388b6a93103b33cf92a34dc0eca_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-07-02_e738c388b6a93103b33cf92a34dc0eca_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1408
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:656

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

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

          Filesize

          67KB

          MD5

          c2de5d5aee1863853a262fcb5c0c0899

          SHA1

          ccf985a9e44851dd1a71dc314cb2e7a3e61bcffe

          SHA256

          67e4bce5f9f7a69fb550e00e53d003ba0a815fa804cda02d021e5fb19f0705e5

          SHA512

          8085b9e709835ecc1d53d889e5f917650ab5c540b73b3077c4e07689e06ba547ba7f223e536779e0a916d4a06f8f3040675adb0830d7dc4cc3d358bed114bbc3

        • memory/656-19-0x00000000020D0000-0x00000000020D6000-memory.dmp

          Filesize

          24KB

        • memory/656-20-0x0000000002200000-0x0000000002206000-memory.dmp

          Filesize

          24KB

        • memory/656-26-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/1408-0-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/1408-1-0x00000000006F0000-0x00000000006F6000-memory.dmp

          Filesize

          24KB

        • memory/1408-2-0x00000000006F0000-0x00000000006F6000-memory.dmp

          Filesize

          24KB

        • memory/1408-3-0x0000000000710000-0x0000000000716000-memory.dmp

          Filesize

          24KB

        • memory/1408-16-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB