Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/10/2026, 15:57

General

  • Target
    2026-10-11_91f27f23a474b9d5519e20ef2f628c0e_cryptolocker_elex.exe
  • Size 39KB
  • Sample261012-tecqratx3k
  • SHA256 720d39f6ce947112bc8264de189f4821c66ede14dc6db0a66180804fbc9dae77
  • 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\2026-10-11_91f27f23a474b9d5519e20ef2f628c0e_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-11_91f27f23a474b9d5519e20ef2f628c0e_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4656
    • 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:4920

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 39KB
        • SHA256 b62a4500b2e4f72fe47755e32d83e818657c7bac3a26894bdcd9f3cf4d88b6d9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4656-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/4656-1-0x0000000002280000-0x0000000002286000-memory.dmp

        memory/4656-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/4656-3-0x00000000022B0000-0x00000000022B6000-memory.dmp

        memory/4920-18-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/4920-20-0x0000000002180000-0x0000000002186000-memory.dmp

        memory/4920-26-0x0000000008000000-0x000000000800A000-memory.dmp