Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 16:08

General

  • Target
    2026-08-04_3b8ba6416f0a4c2c7d56f6c197c81188_cryptolocker_elex.exe
  • Size 53KB
  • Sample260804-tlqaeshr71
  • SHA256 f854a28c275ea431083f4d9c0aa3d8d3ec2a5f0f1469213582b5654f4c191b9a
  • 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).

  • 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\2026-08-04_3b8ba6416f0a4c2c7d56f6c197c81188_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-04_3b8ba6416f0a4c2c7d56f6c197c81188_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5492
    • 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:5012

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 53KB
        • SHA256 d0c8783cef79701c6b8be2be78b5552aa850359ba8de9c0f50563404920be7ce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5012-18-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/5012-20-0x0000000002240000-0x0000000002246000-memory.dmp

        memory/5012-26-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/5492-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/5492-1-0x00000000023D0000-0x00000000023D6000-memory.dmp

        memory/5492-2-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/5492-3-0x0000000003950000-0x0000000003956000-memory.dmp