Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/09/2026, 16:44

General

  • Target
    2026-09-29_c542316b116457aed5c3d8aa91c02597_cryptolocker_elex.exe
  • Size 49KB
  • Sample260930-t867fssbke
  • SHA256 23b2327d0b4fa54fdd9994747b5c3da37f596a154186fa735cb5fa962692a51a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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\2026-09-29_c542316b116457aed5c3d8aa91c02597_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-29_c542316b116457aed5c3d8aa91c02597_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3808
    • 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:4052

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 49KB
        • SHA256 0fab3a69a7cb3ab83431e70cbcd56f9f69205b0ae95b651bf9af7610f67627fd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3808-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/3808-1-0x0000000002180000-0x0000000002186000-memory.dmp

        memory/3808-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/3808-3-0x0000000003000000-0x0000000003006000-memory.dmp

        memory/4052-17-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/4052-19-0x0000000008000000-0x000000000800A000-memory.dmp