Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/08/2026, 12:01

General

  • Target
    2026-08-20_f427a0043c0842fa87eaecaa6734059d_cryptolocker_elex.exe
  • Size 33KB
  • Sample260820-n62laswejf
  • SHA256 82caed00da5db8c88982cd1d0f2b4c18e268aa85d19ce396462d0cea03fa069e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 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\2026-08-20_f427a0043c0842fa87eaecaa6734059d_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-20_f427a0043c0842fa87eaecaa6734059d_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4648
    • 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:364

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 33KB
        • SHA256 730bfa34cadf942763facf3c0ad14e54cedbf30b1164d5216f9515685f9b06f7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/364-19-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/364-22-0x0000000002190000-0x0000000002196000-memory.dmp

        memory/364-21-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/4648-0-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/4648-1-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/4648-2-0x0000000002200000-0x0000000002206000-memory.dmp

        memory/4648-3-0x0000000008000000-0x000000000800A000-memory.dmp

        memory/4648-4-0x00000000022C0000-0x00000000022C6000-memory.dmp