Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/07/2026, 07:29

General

  • Target
    2026-07-17_ce24d4cddf9df1cd6893d38103e0c4e5_cryptolocker_elex.exe
  • Size 40KB
  • Sample260717-ja71zsd19q
  • SHA256 a57e9be6c83414e38f7053e769de8a6d5680c3bce5a634ca503dd4cde836cd23
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 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\2026-07-17_ce24d4cddf9df1cd6893d38103e0c4e5_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-17_ce24d4cddf9df1cd6893d38103e0c4e5_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3052
    • 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:2988

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 40KB
        • SHA256 40b19e5b21a568d278076b1fa05825bb23c265e335ae49e3cebcb9f9fd977c8d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2988-18-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/2988-20-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/2988-21-0x00000000022A0000-0x00000000022A6000-memory.dmp

        memory/3052-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/3052-1-0x0000000002270000-0x0000000002276000-memory.dmp

        memory/3052-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3052-3-0x00000000022B0000-0x00000000022B6000-memory.dmp