Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 21:47

General

  • Target
    2026-08-02_53f5a63057b643c1d85c9b8b316cd030_cryptolocker_elex.exe
  • Size 44KB
  • Sample260802-1ncwfaxycv
  • SHA256 0731c0f8863e02e2bca7f8624a9cdcbf7dc08af3df096d0ededb2e928d78c99c
  • 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\2026-08-02_53f5a63057b643c1d85c9b8b316cd030_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-02_53f5a63057b643c1d85c9b8b316cd030_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3392
    • 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:5436

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 44KB
        • SHA256 60200af26f36888b3ba27c769592a06a7dc8a56cbedf077f50a623305552a967
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3392-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/3392-1-0x0000000002270000-0x0000000002276000-memory.dmp

        memory/3392-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3392-3-0x00000000022B0000-0x00000000022B6000-memory.dmp

        memory/5436-18-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/5436-20-0x0000000000770000-0x0000000000776000-memory.dmp

        memory/5436-26-0x0000000008000000-0x000000000800A000-memory.dmp