Analysis

  • max time kernel
    106s
  • max time network
    127s
  • 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, 19:23

General

  • Target

    2025-07-02_08fb7ad04d865a1949ae174450f534fc_cryptolocker_elex.exe

  • Size

    36KB

  • MD5

    08fb7ad04d865a1949ae174450f534fc

  • SHA1

    ec08b7d66e53c6c5e602bda9fa2934aede75af13

  • SHA256

    a3af7d268b36983b9ca11c49444c758802d7def7705252fedfd09c47560b542d

  • SHA512

    2f9569d508d894802c8816071517dcf26bfa773b0d2151ff22a14a850cbb09be1ae240045018ff36b39001dd73f4f109272f0a867f9fe924da2d48fd7bddeef8

  • SSDEEP

    384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2BodcAOjbQ36ttTs:btB9g/WItCSsAGjX7r3BGub8Lj

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_08fb7ad04d865a1949ae174450f534fc_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-07-02_08fb7ad04d865a1949ae174450f534fc_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3016
    • 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
      PID:4464

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          36KB

          MD5

          1f2f33856b5eddd1903cc1228f1eb274

          SHA1

          2b64abb3a01db7f4d615beb071b62a640c9c4102

          SHA256

          5bf9023ff404152f57c41523187ccf8f77a5da3f4ffe2b4d67042eac1c067ff9

          SHA512

          9f436a3c26b57d0cf5e5fc4d0fdf4fc7f5b77663efab09754720c5511e7c77d4c049be7e07e33c5e00da523602b668837381292806f5b9c23e6e7f070099fa39

        • memory/3016-0-0x0000000000404000-0x0000000000405000-memory.dmp

          Filesize

          4KB

        • memory/3016-1-0x0000000002640000-0x0000000002646000-memory.dmp

          Filesize

          24KB

        • memory/3016-2-0x0000000000400000-0x0000000000408000-memory.dmp

          Filesize

          32KB

        • memory/3016-3-0x0000000000400000-0x0000000000406000-memory.dmp

          Filesize

          24KB

        • memory/4464-19-0x0000000000400000-0x0000000000408000-memory.dmp

          Filesize

          32KB

        • memory/4464-21-0x0000000000400000-0x0000000000408000-memory.dmp

          Filesize

          32KB