Analysis
- max time kernel
148s - 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
22/10/2026, 18:46
Static task
static1
Behavioral task
behavioral1
Sample
2026-10-21_87cc8a6f54a9eb686d93764b55be51f5_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
2026-10-21_87cc8a6f54a9eb686d93764b55be51f5_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win11ltsc2024-20260911-en
General
- Target 2026-10-21_87cc8a6f54a9eb686d93764b55be51f5_amadey_elex_hellokitty_luca-stealer_njrat.exe
- Size 1.4MB
- Sample261022-xesnraht2q
- SHA256 06494f73997df68066f394e33be244b91d2a892511f246cfdbb933a9e8f3a740
- MD5 87cc8a6f54a9eb686d93764b55be51f5
- SHA1 c58df12cd08dd1f53a2fc6d9e96f58189af2e837
- SHA512 a5ee350bedb930b948122a73e4bcfbe4fcbb0c52691e200a4ea086ac1f81421a5036d6b8c2e4dbacd18bdc62542f3c05f1c5fc65362885e9095e0eb8f592d15a
- SSDEEP 24576:OBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nB8:OBPBiRe6NrfMn+
- TLSH T192659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 4772 RobloxGameClientHandler.exe 3308 RobloxGameClientHandler.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-650287814-2715975232-1279715623-1000\Software\Microsoft\Windows\CurrentVersion\Run\RobloxGameClientHandler.exe = "C:\\Users\\Admin\\AppData\\Local\\Roblox\\GameClientHandler\\RobloxGameClientHandler.exe" 2026-10-21_87cc8a6f54a9eb686d93764b55be51f5_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 2026-10-21_87cc8a6f54a9eb686d93764b55be51f5_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-10-21_87cc8a6f54a9eb686d93764b55be51f5_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-10-21_87cc8a6f54a9eb686d93764b55be51f5_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 2026-10-21_87cc8a6f54a9eb686d93764b55be51f5_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 2026-10-21_87cc8a6f54a9eb686d93764b55be51f5_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-10-21_87cc8a6f54a9eb686d93764b55be51f5_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-10-21_87cc8a6f54a9eb686d93764b55be51f5_amadey_elex_hellokitty_luca-stealer_njrat.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4772 RobloxGameClientHandler.exe 4772 RobloxGameClientHandler.exe 4772 RobloxGameClientHandler.exe 4772 RobloxGameClientHandler.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4772 wrote to memory of 3308 4772 RobloxGameClientHandler.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-21_87cc8a6f54a9eb686d93764b55be51f5_amadey_elex_hellokitty_luca-stealer_njrat.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-21_87cc8a6f54a9eb686d93764b55be51f5_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:5220
-
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:4772 -
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:3308
-
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 ef835f604552fa527f7603185b07d251f29a1c205033fb667e63e399448b69e5
- MD5 3f3ef85d2ab7c02488eb8b0255d50202
- SHA1 b6b5204040ddb076404bd9cf8f3ecc9fe281a6f6
- SHA512 9e80cc1347c3fee6299e765eff3f1d4f86c1bc1114736b443d8b228bf91cf5afb2be495d7df05d162b4a5913e407d31e3eced3febb2160b06f19a376b495cc10
- SSDEEP 24576:MBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBM:MBPBiRe6NrfMnu
- TLSH T140659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH