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
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 5232 RobloxGameClientHandler.exe 5632 RobloxGameClientHandler.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1704430598-3087477806-3297458608-1000\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 RobloxGameClientHandler.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RobloxGameClientHandler.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-11-01_f77a5050baa35675700748d6a838abde_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 2026-11-01_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 5232 RobloxGameClientHandler.exe 5232 RobloxGameClientHandler.exe 5232 RobloxGameClientHandler.exe 5232 RobloxGameClientHandler.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5232 wrote to memory of 5632 5232 RobloxGameClientHandler.exe 91
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.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: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
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 b9cf0a9df70cbef55e41c399aa5cc5bc6d81c16c376b0a2b2f1baf56680abc19
- MD5 fb4036e6f50a4b773d6f780656151b1e
- SHA1 b691f549c3b8bb15c0d027d46c9569df6d501ab7
- SHA512 5a0b2ff69c8815a73b67c22c8ee8bd1bceaa6b0d74816683525bb4ff7b7f1a96764a1755456b5baeb5968d414c6ce71488173de0954e3a593d48c4f18b19ed2c
- SSDEEP 24576:IBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBU:IBPBiRe6NrfMn2
- TLSH T144659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH