Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/07/2026, 19:21

General

  • Target
    2026-07-19_5b96406327821b38bcbeff64c583813a_cryptolocker_elex.exe
  • Size 51KB
  • Sample260719-x219eacy2t
  • SHA256 9c54843df53512a2203dc2f3278cc422c4cf2009d3a780dd939bcca4500227d6
  • 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\2026-07-19_5b96406327821b38bcbeff64c583813a_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-19_5b96406327821b38bcbeff64c583813a_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:916
    • 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:720

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 51KB
        • SHA256 f88069fe5756ab8b17e23f9bd6547c84b9e0e2bd016c712e90f8c5187aff7627
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/720-18-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/720-20-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/720-21-0x00000000037F0000-0x00000000037F6000-memory.dmp

        memory/916-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/916-1-0x0000000002280000-0x0000000002286000-memory.dmp

        memory/916-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/916-3-0x00000000022C0000-0x00000000022C6000-memory.dmp