Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/09/2026, 04:27

General

  • Target
    2026-09-07_d9422b378f279ebbb153364dcbebd6c7_cryptolocker_elex.exe
  • Size 46KB
  • Sample260908-e25ygs1grf
  • SHA256 f98e00a8e8060c7880ca53ac9bfdc1f541b7a13f01df045dceea2c189410bfed
  • 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\2026-09-07_d9422b378f279ebbb153364dcbebd6c7_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-07_d9422b378f279ebbb153364dcbebd6c7_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3116
    • 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:1088

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 46KB
        • SHA256 4b7bf0d416afe0e9d4dc32e4433259bba4757710cff00233b6bc33a1f1f4dc64
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1088-18-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/1088-20-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/1088-21-0x0000000002190000-0x0000000002196000-memory.dmp

        memory/3116-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/3116-1-0x00000000037E0000-0x00000000037E6000-memory.dmp

        memory/3116-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3116-3-0x0000000003810000-0x0000000003816000-memory.dmp