Analysis

  • max time kernel
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/11/2026, 02:40

General

  • Target
    2026-11-01_f77a5050baa35675700748d6a838abde_amadey_elex_hellokitty_luca-stealer_njrat.exe
  • Size 1.4MB
  • Sample261102-c5ymgagy2k
  • SHA256 8a7e2de7a0c45863601ca57662d48d6c9d8c9e5e5c18dc8e400c7944340fc03f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 2 IoCs

    When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • NTFS ADS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-11-01_f77a5050baa35675700748d6a838abde_amadey_elex_hellokitty_luca-stealer_njrat.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-01_f77a5050baa35675700748d6a838abde_amadey_elex_hellokitty_luca-stealer_njrat.exe"
    1⤵
    • Adds Run key to start application
    • Subvert Trust Controls: Mark-of-the-Web Bypass
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    PID:2684
  • C:\Users\Admin\AppData\Local\Roblox\GameClientHandler\RobloxGameClientHandler.exe
    C:\Users\Admin\AppData\Local\Roblox\GameClientHandler\RobloxGameClientHandler.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5232
    • C:\Users\Admin\AppData\Local\Roblox\GameClientHandler\RobloxGameClientHandler.exe
      "C:\Users\Admin\AppData\Local\Roblox\GameClientHandler\RobloxGameClientHandler.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5632

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RobloxGameClientHandler.exe

        • Path C:\Users\Admin\AppData\Local\Roblox\GameClientHandler\RobloxGameClientHandler.exe
        • Size 1.4MB
        • SHA256 b9cf0a9df70cbef55e41c399aa5cc5bc6d81c16c376b0a2b2f1baf56680abc19
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2684-0-0x0000000002F40000-0x0000000002F41000-memory.dmp