Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    18/07/2026, 21:37

General

  • Target
    2026-07-18_920d2d00385b578f4e924cdf67c1e1b1_cryptolocker_elex.exe
  • Size 38KB
  • Sample260718-1gzfvsdv8p
  • SHA256 094b4e698d553ef8663afe25751ab44f1bedc89df7b6aeebfa4387f0c5b8175a
  • 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\2026-07-18_920d2d00385b578f4e924cdf67c1e1b1_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-18_920d2d00385b578f4e924cdf67c1e1b1_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2668
    • 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:1100

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 4cffd0294aa43f450111adf0a730130a7913ec7c104e9c5eab6c9797fa6d468f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1100-20-0x00000000021A0000-0x00000000021A6000-memory.dmp

        memory/2668-0-0x00000000020A0000-0x00000000020A6000-memory.dmp

        memory/2668-1-0x00000000020A0000-0x00000000020A6000-memory.dmp

        memory/2668-2-0x0000000000400000-0x0000000000406000-memory.dmp