Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    08/09/2026, 03:22

General

  • Target
    2026-09-07_e32a6d7f44367899326a29f6597d9d5b_cryptolocker_elex.exe
  • Size 43KB
  • Sample260908-dxbcms1bpg
  • SHA256 3ced4b4a9f3ec32830e5269098d37993a920d24c2d9193552846c6f7bdabb891
  • 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\2026-09-07_e32a6d7f44367899326a29f6597d9d5b_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-07_e32a6d7f44367899326a29f6597d9d5b_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:888
    • 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:2268

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 44KB
        • SHA256 85db735d5af12340e767831a83c6602df221af49854330c81b3c94140ea21f01
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/888-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/888-1-0x0000000002180000-0x0000000002186000-memory.dmp

        memory/888-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/888-3-0x0000000003010000-0x0000000003016000-memory.dmp

        memory/2268-17-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/2268-19-0x0000000008000000-0x000000000800A000-memory.dmp