Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    24/08/2026, 22:24

General

  • Target
    2026-08-24_e08e4448b6c69ec56c36c51efd44ee1e_cryptolocker_elex.exe
  • Size 47KB
  • Sample260824-2bs8bszwdz
  • SHA256 81bcda0d8628a539924e1e50decc250949edd96a6410da0ea4c7a040591e7d2b
  • 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).

  • 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\2026-08-24_e08e4448b6c69ec56c36c51efd44ee1e_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-24_e08e4448b6c69ec56c36c51efd44ee1e_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1784
    • 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:2560

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 47KB
        • SHA256 f4893c2d56bac5b4d36759238c1f6fa8142df1e90d4b61a742eb62522f9358f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1784-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/1784-1-0x0000000002350000-0x0000000002356000-memory.dmp

        memory/1784-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/1784-3-0x00000000023C0000-0x00000000023C6000-memory.dmp

        memory/2560-17-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/2560-25-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/2560-19-0x0000000003010000-0x0000000003016000-memory.dmp