Analysis
- max time kernel
149s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/11/2026, 02:40
Static task
static1
Behavioral task
behavioral1
Sample
2026-11-01_f77a5050baa35675700748d6a838abde_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
2026-11-01_f77a5050baa35675700748d6a838abde_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win11ltsc2024-20260911-en
General
- Target 2026-11-01_f77a5050baa35675700748d6a838abde_amadey_elex_hellokitty_luca-stealer_njrat.exe
- Size 1.4MB
- Sample261102-c5ymgagy2k
- SHA256 8a7e2de7a0c45863601ca57662d48d6c9d8c9e5e5c18dc8e400c7944340fc03f
- MD5 f77a5050baa35675700748d6a838abde
- SHA1 409de132f2fa69d2bfb4c6e4d5f86cd4015a17c5
- SHA512 f5fa711c68ef360281c6a77909f0193669cf9bd366820253f7565a1f90ae168b19a0bdb2261ea40c7688435151d144d984eab223545e9de395de10ba5424bc2f
- SSDEEP 24576:xBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBU:xBPBiRe6NrfMnW
- TLSH T1D6659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 968 RobloxGameClientHandler.exe 2396 RobloxGameClientHandler.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-681733028-2344970462-962213935-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RobloxGameClientHandler.exe = "C:\\Users\\Admin\\AppData\\Local\\Roblox\\GameClientHandler\\RobloxGameClientHandler.exe" 2026-11-01_f77a5050baa35675700748d6a838abde_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 2026-11-01_f77a5050baa35675700748d6a838abde_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-11-01_f77a5050baa35675700748d6a838abde_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-11-01_f77a5050baa35675700748d6a838abde_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 2026-11-01_f77a5050baa35675700748d6a838abde_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 2026-11-01_f77a5050baa35675700748d6a838abde_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-11-01_f77a5050baa35675700748d6a838abde_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-11-01_f77a5050baa35675700748d6a838abde_amadey_elex_hellokitty_luca-stealer_njrat.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 968 RobloxGameClientHandler.exe 968 RobloxGameClientHandler.exe 968 RobloxGameClientHandler.exe 968 RobloxGameClientHandler.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 968 wrote to memory of 2396 968 RobloxGameClientHandler.exe 99
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:5376
-
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:968 -
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:2396
-
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 f8ba914834b9dd0bd6899560a16b94af0a381f65f93edd1b60b1dd3ded426e87
- MD5 64f2bb12d0cf84974b95eddf430853bd
- SHA1 7f319ceb298e468982560d315d1eae36b561a2d2
- SHA512 028d4ffc7772ad616d1821f95d8cc4b7be2792bcc245748b3120ce40ccbddbe5e1ac81ffb8e5ee3ee2bab0af5942d132dbffd4a2a206ad313b52cb2c2da9b6d4
- SSDEEP 24576:pBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nB8:pBPBiRe6NrfMn+
- TLSH T1F1659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH