Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/07/2026, 01:02

General

  • Target
    2026-07-28_d317a5e6c078f9dae35404da0f31a1a6_cryptolocker_elex.exe
  • Size 1.0MB
  • Sample260728-bd69vsveqe
  • SHA256 8cef2470420e1cb9454020c88e6cef8603e72b2019c7b69c635f5809aaf7dcd4
  • 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\2026-07-28_d317a5e6c078f9dae35404da0f31a1a6_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-28_d317a5e6c078f9dae35404da0f31a1a6_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4596
    • 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:4912

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 9fa140380ecae9180a20e5012677de8f5f425a23bd1625d4c5e9becf0337f77a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4596-0-0x0000000008004000-0x0000000008005000-memory.dmp

        memory/4596-1-0x0000000002280000-0x0000000002286000-memory.dmp

        memory/4596-2-0x0000000008000000-0x0000000008022000-memory.dmp

        memory/4596-3-0x00000000022B0000-0x00000000022B6000-memory.dmp

        memory/4912-18-0x0000000008000000-0x0000000008022000-memory.dmp

        memory/4912-20-0x00000000022A0000-0x00000000022A6000-memory.dmp

        memory/4912-26-0x0000000008000000-0x0000000008022000-memory.dmp