Analysis

  • max time kernel
    150s
  • max time network
    150s
  • 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_09b356fc71fd2e5cc5d2304d0748e43a_cryptolocker_elex.exe

  • Size

    36KB

  • MD5

    09b356fc71fd2e5cc5d2304d0748e43a

  • SHA1

    cc0d89e2bf5c468b4af0b0acf5439ac33828ff54

  • SHA256

    99b4ad7bf582e9427818ea1cc2011705d7587d75ccecf57f898b6d292dbe2f48

  • SHA512

    187ed550c53e58d9d775a4e4aaa3da4e0310b2d3cf680a7b7bab1e111b4d633a80873bc8e78f9783ee2415b8a5c53aa6bfaae0663faafbc267843808b309405c

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenE:ZzFbxmLPWQMOtEvwDpjLeE

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_09b356fc71fd2e5cc5d2304d0748e43a_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-07-02_09b356fc71fd2e5cc5d2304d0748e43a_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5720
    • 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:5520

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

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

          Filesize

          37KB

          MD5

          cab8794525e4ba364abc95d422d36ed3

          SHA1

          d8462b53ded4b3db56471e140b91d611a55fd220

          SHA256

          bcaf43e1838920df710042cadd141e9c29144427909e175c1021419b931fe337

          SHA512

          1d961b32b69ddadc992b33b2f163c72c9b0944d9ab0d18bc5c1113e59c263a7a4728e436f60d8943d13f3fce04fa53d54a17da0c22eefe8ca796a9d69deb5968

        • memory/5520-18-0x0000000000740000-0x0000000000746000-memory.dmp

          Filesize

          24KB

        • memory/5520-25-0x0000000000690000-0x0000000000696000-memory.dmp

          Filesize

          24KB

        • memory/5720-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

          Filesize

          12KB

        • memory/5720-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

          Filesize

          24KB

        • memory/5720-2-0x00000000005A0000-0x00000000005A6000-memory.dmp

          Filesize

          24KB

        • memory/5720-3-0x00000000021A0000-0x00000000021A6000-memory.dmp

          Filesize

          24KB

        • memory/5720-24-0x00000000004E0000-0x00000000004E3000-memory.dmp

          Filesize

          12KB