Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/08/2026, 01:58

General

  • Target
    2026-08-07_03c8f1c1fe18af2a60e8a2ceef05ef86_cryptolocker_elex.exe
  • Size 46KB
  • Sample260807-cd8claem6y
  • SHA256 8eab2deb639e03d70f14a5618d55046a2cada1d388e9a21053f59bcf2c87206e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 3 IoCs
  • 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\2026-08-07_03c8f1c1fe18af2a60e8a2ceef05ef86_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-07_03c8f1c1fe18af2a60e8a2ceef05ef86_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4572
    • 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:4748

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        hasfj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
        • Size 46KB
        • SHA256 36fffa8d5450c9211bac8d813f1a3112d150790a0d45e8451c9e6950493f1f5c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4572-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/4572-1-0x0000000002270000-0x0000000002276000-memory.dmp

        memory/4572-2-0x00000000022C0000-0x00000000022C6000-memory.dmp

        memory/4572-9-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/4748-25-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/4748-19-0x00000000021A0000-0x00000000021A6000-memory.dmp