Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/07/2026, 09:49

General

  • Target
    2026-07-15_815e06463962aac3c982d8d50c97a05f_cryptolocker_elex.exe
  • Size 53KB
  • Sample260715-ltgn9acw2x
  • SHA256 301cf20e55c17eefb4c6c2510e90aabcfb8e278d461e091f423a1ea7793a8215
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • 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 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-15_815e06463962aac3c982d8d50c97a05f_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-15_815e06463962aac3c982d8d50c97a05f_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:6028
    • C:\Users\Admin\AppData\Local\Temp\hurok.exe
      "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3944

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        hurok.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hurok.exe
        • Size 54KB
        • SHA256 85af652fb81f41347caadfdb223a71128f81c60508a1d8058bb2a4e71c9efb69
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3944-26-0x0000000002060000-0x0000000002066000-memory.dmp

        memory/6028-0-0x0000000002130000-0x0000000002136000-memory.dmp

        memory/6028-1-0x0000000002130000-0x0000000002136000-memory.dmp

        memory/6028-2-0x0000000000400000-0x0000000000406000-memory.dmp