Analysis
- max time kernel
149s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
30/10/2026, 00:04
Static task
static1
Behavioral task
behavioral1
Sample
2026-10-28_8b3216fe1fb3d8b39de4f28b535a39f7_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
2026-10-28_8b3216fe1fb3d8b39de4f28b535a39f7_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win11ltsc2024-20260911-en
General
- Target 2026-10-28_8b3216fe1fb3d8b39de4f28b535a39f7_amadey_elex_hellokitty_luca-stealer_njrat.exe
- Size 1.4MB
- Sample261030-ack5kat18q
- SHA256 575b1d676593c17d57a9ff19b700ff33feb3693565bdfa0b84609acd0f16de3b
- MD5 8b3216fe1fb3d8b39de4f28b535a39f7
- SHA1 451831e83df32d9019376ea73c02ea97c18aba0a
- SHA512 7162e4c1e88939f8d5810a656889af255ea357649ef6920d8c81f86d1cbcdf23545e1249e21e9587dc2d213a542dad8ca437e6c86d18317eedf68dd3fd51a43d
- SSDEEP 24576:hBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBc:hBPBiRe6NrfMne
- TLSH T15C659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 2348 RobloxGameClientHandler.exe 1716 RobloxGameClientHandler.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RobloxGameClientHandler.exe = "C:\\Users\\Admin\\AppData\\Local\\Roblox\\GameClientHandler\\RobloxGameClientHandler.exe" 2026-10-28_8b3216fe1fb3d8b39de4f28b535a39f7_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 2026-10-28_8b3216fe1fb3d8b39de4f28b535a39f7_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-10-28_8b3216fe1fb3d8b39de4f28b535a39f7_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-10-28_8b3216fe1fb3d8b39de4f28b535a39f7_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 2026-10-28_8b3216fe1fb3d8b39de4f28b535a39f7_amadey_elex_hellokitty_luca-stealer_njrat.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RobloxGameClientHandler.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RobloxGameClientHandler.exe - NTFS ADS 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-10-28_8b3216fe1fb3d8b39de4f28b535a39f7_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-10-28_8b3216fe1fb3d8b39de4f28b535a39f7_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Roblox\GameClientHandler\RobloxGameClientHandler.exe:Zone.Identifier 2026-10-28_8b3216fe1fb3d8b39de4f28b535a39f7_amadey_elex_hellokitty_luca-stealer_njrat.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2348 RobloxGameClientHandler.exe 2348 RobloxGameClientHandler.exe 2348 RobloxGameClientHandler.exe 2348 RobloxGameClientHandler.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2348 wrote to memory of 1716 2348 RobloxGameClientHandler.exe 100
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-28_8b3216fe1fb3d8b39de4f28b535a39f7_amadey_elex_hellokitty_luca-stealer_njrat.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-28_8b3216fe1fb3d8b39de4f28b535a39f7_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:5104
-
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:2348 -
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:1716
-
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 5be82d3d225c2f1ab7addf77878e948ff201ea395811bf5f3824c6811e973337
- MD5 ecd80ec6287a67f9095c620eb6024b36
- SHA1 f7c2a7d1369578670914cbf699a2260b1b985792
- SHA512 db95e625375c14d13c4095f55ae552ba8a94236c96407b19271516603f486d5157e16db7b51c4f2af895e9b08d609d20b0f458013a60b145791154394bd49186
- SSDEEP 24576:EBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBc:EBPBiRe6NrfMn+
- TLSH T1E0659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH