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
    09/08/2026, 02:43

General

  • Target
    2026-08-09_c17dfd36e8e6283f118ff73d9b3daac7_cryptolocker_elex.exe
  • Size 1.0MB
  • Sample260809-c7ra6syema
  • SHA256 453a4e6908d6fb637ffa61f887f302e7c3bf28e7a4ae9a903b91576abc91fcc6
  • 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\2026-08-09_c17dfd36e8e6283f118ff73d9b3daac7_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-09_c17dfd36e8e6283f118ff73d9b3daac7_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4632
    • 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:1704

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 1.0MB
        • SHA256 0690ca00cd007dca16e96deffbf542b52a3cebb8e75ff6aaeda430cb0203d361
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1704-18-0x0000000008000000-0x0000000008022000-memory.dmp

        memory/1704-20-0x00000000021B0000-0x00000000021B6000-memory.dmp

        memory/1704-26-0x0000000008000000-0x0000000008022000-memory.dmp

        memory/4632-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/4632-1-0x0000000002270000-0x0000000002276000-memory.dmp

        memory/4632-8-0x0000000008000000-0x0000000008022000-memory.dmp

        memory/4632-2-0x00000000022B0000-0x00000000022B6000-memory.dmp