Analysis
- max time kernel
150s - max time network
128s - 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, 18:13
Static task
static1
Behavioral task
behavioral1
Sample
2026-11-02_f42ce8d0e9160e3930927d5a11576fce_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
2026-11-02_f42ce8d0e9160e3930927d5a11576fce_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win11ltsc2024-20260911-en
General
- Target 2026-11-02_f42ce8d0e9160e3930927d5a11576fce_amadey_elex_hellokitty_luca-stealer_njrat.exe
- Size 1.4MB
- Sample261102-wt3ltsbz7v
- SHA256 82359c4ad741bc6c97c146c34a93e5fe42d411ee6c0322f65b3077c5abb2183b
- MD5 f42ce8d0e9160e3930927d5a11576fce
- SHA1 d834dd52357d8510e8509e431b8d01b6c0d742c3
- SHA512 0475c3c577effdbd4a27793812493bb162ee41953d24dde4260870425e2fe138e6682cd2b042bbd0e0e484ce28e515ccc1499d36b08ae19ff76f14b8117fd564
- SSDEEP 24576:1BcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nB:1BPBiRe6NrfMn
- TLSH T116659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 4976 RobloxGameClientHandler.exe 3700 RobloxGameClientHandler.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000\Software\Microsoft\Windows\CurrentVersion\Run\RobloxGameClientHandler.exe = "C:\\Users\\Admin\\AppData\\Local\\Roblox\\GameClientHandler\\RobloxGameClientHandler.exe" 2026-11-02_f42ce8d0e9160e3930927d5a11576fce_amadey_elex_hellokitty_luca-stealer_njrat.exe - 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.
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Roblox\GameClientHandler\RobloxGameClientHandler.exe:Zone.Identifier 2026-11-02_f42ce8d0e9160e3930927d5a11576fce_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-11-02_f42ce8d0e9160e3930927d5a11576fce_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-11-02_f42ce8d0e9160e3930927d5a11576fce_amadey_elex_hellokitty_luca-stealer_njrat.exe - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RobloxGameClientHandler.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RobloxGameClientHandler.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-11-02_f42ce8d0e9160e3930927d5a11576fce_amadey_elex_hellokitty_luca-stealer_njrat.exe - NTFS ADS 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Roblox\GameClientHandler\RobloxGameClientHandler.exe:Zone.Identifier 2026-11-02_f42ce8d0e9160e3930927d5a11576fce_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-11-02_f42ce8d0e9160e3930927d5a11576fce_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-11-02_f42ce8d0e9160e3930927d5a11576fce_amadey_elex_hellokitty_luca-stealer_njrat.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4976 RobloxGameClientHandler.exe 4976 RobloxGameClientHandler.exe 4976 RobloxGameClientHandler.exe 4976 RobloxGameClientHandler.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4976 wrote to memory of 3700 4976 RobloxGameClientHandler.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-11-02_f42ce8d0e9160e3930927d5a11576fce_amadey_elex_hellokitty_luca-stealer_njrat.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-02_f42ce8d0e9160e3930927d5a11576fce_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:3448
-
C:\Users\Admin\AppData\Local\Roblox\GameClientHandler\RobloxGameClientHandler.exeC:\Users\Admin\AppData\Local\Roblox\GameClientHandler\RobloxGameClientHandler.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4976 -
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:3700
-
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
1Subvert Trust Controls
1SIP and Trust Provider Hijacking
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Roblox\GameClientHandler\RobloxGameClientHandler.exe
- Size 1.4MB
- SHA256 3636ff26606c259010d941e1400b7fd3e129814a2a01e658141e487c854a6063
- MD5 76f1a0fb03c489e69e2f2713cf6be8e0
- SHA1 3292c95a68618403ce635c02d288d011d08257fe
- SHA512 2268848a319e262ddc2ce33542d3f8388c43adde5cbded744028f8c273e4606ebc2c5811942033adb6a39b90586a1a27a541144e564af64ec7715377e0ca732e
- SSDEEP 24576:6BcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nB0:6BPBiRe6NrfMn2
- TLSH T16D659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH