Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/07/2026, 07:49

General

  • Target
    2026-07-30_89ad3eea5ace64389661d7752b06b709_cryptolocker_elex.exe
  • Size 33KB
  • Sample260730-jnz8asxtbs
  • SHA256 7f86f0a20e5338bfecc63a41905e0c5834d7018b9f429f57697c1dc1a90e28e7
  • 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\2026-07-30_89ad3eea5ace64389661d7752b06b709_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-30_89ad3eea5ace64389661d7752b06b709_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5732
    • 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:3368

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        hurok.exe

        • Path C:\Users\Admin\AppData\Local\Temp\hurok.exe
        • Size 33KB
        • SHA256 7fc6ba26c0c267323e4ff3d156b9fec6b98d16c06afa8e394b5cafcad449b142
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3368-26-0x00000000005E0000-0x00000000005E6000-memory.dmp

        memory/5732-0-0x00000000021A0000-0x00000000021A6000-memory.dmp

        memory/5732-1-0x00000000021A0000-0x00000000021A6000-memory.dmp

        memory/5732-2-0x0000000000400000-0x0000000000406000-memory.dmp