Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/07/2026, 12:06

General

  • Target
    2026-07-20_00e7d454b0e55f54d3879bcad8821109_cryptolocker_elex.exe
  • Size 38KB
  • Sample260720-n985jsbx6s
  • SHA256 3b6781dc095d12ad93c27c257cd15875663a441b70ea58333756a77abb6f4c72
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 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\2026-07-20_00e7d454b0e55f54d3879bcad8821109_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-20_00e7d454b0e55f54d3879bcad8821109_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5516
    • C:\Users\Admin\AppData\Local\Temp\hurok.exe
      "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:6080

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        hurok.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hurok.exe
        • Size 38KB
        • SHA256 476c5f0299d6346543086f1a9a624b2d8573247f0b4c79ca819363fc3d528bf0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5516-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

        memory/5516-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

        memory/5516-2-0x0000000000400000-0x0000000000406000-memory.dmp

        memory/6080-26-0x00000000021B0000-0x00000000021B6000-memory.dmp