Analysis
- max time kernel
150s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-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 3608 RobloxGameClientHandler.exe 5604 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" 2026-10-28_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\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 - 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\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 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3608 RobloxGameClientHandler.exe 3608 RobloxGameClientHandler.exe 3608 RobloxGameClientHandler.exe 3608 RobloxGameClientHandler.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3608 wrote to memory of 5604 3608 RobloxGameClientHandler.exe 92
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:4636
-
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:3608 -
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:5604
-
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 5c22440e12c6610210dd0553d85a4f8fb2e0c96780c8e276683d08777f9d9293
- MD5 26030412d95489e8501f00a2206dfec3
- SHA1 d42fdd47cd6f45a6642eb3365d3f44f08b1d0bfb
- SHA512 04a86fd9cf77ffc33044b57497275284ec638c96be2e2101d13f4250b1c822b447b71c71646a48305c9a538e02f551a006b8b74b81fb3c6874437fa45388d1f3
- SSDEEP 24576:RBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBE:RBPBiRe6NrfMnG
- TLSH T164659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH