Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/10/2026, 11:29

General

  • Target
    2026-10-22_5ffcca6b0fd7334bc001d29194f93101_cryptolocker_elex.exe
  • Size 53KB
  • Sample261024-nlwjjsbv2p
  • SHA256 e9a17c024473e664d3c8ea017ff645b5cff476f8233eeaddf52953439366f44d
  • 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).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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\2026-10-22_5ffcca6b0fd7334bc001d29194f93101_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-22_5ffcca6b0fd7334bc001d29194f93101_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3704
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:3656

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 53KB
        • SHA256 fe6b6751f76df4307d9d7acd52756a90fc47ffafdee4382d9b4500d21404e49b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3656-18-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3656-20-0x0000000002290000-0x0000000002296000-memory.dmp

        memory/3656-26-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3704-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/3704-1-0x0000000002280000-0x0000000002286000-memory.dmp

        memory/3704-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3704-3-0x00000000022B0000-0x00000000022B6000-memory.dmp