Analysis
- max time kernel
150s - max time network
141s - 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, 22:38
Static task
static1
Behavioral task
behavioral1
Sample
2026-11-02_cb545d710a5f3c2d970a9deac6847fa6_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
2026-11-02_cb545d710a5f3c2d970a9deac6847fa6_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win11ltsc2024-20260911-en
General
- Target 2026-11-02_cb545d710a5f3c2d970a9deac6847fa6_amadey_elex_hellokitty_luca-stealer_njrat.exe
- Size 1.4MB
- Sample261102-2kb1eagd93
- SHA256 3d2a72609a10ee0b9410beeb4049b906b1b19dde5e765b778a7a219351ca9e25
- MD5 cb545d710a5f3c2d970a9deac6847fa6
- SHA1 3546a9abf937ae7a7491daa51208f596e08c0a11
- SHA512 eec26b860ccd73abff508b05c5994957666125e6eac58d48da79144a868b04c5c2e6013f1c2be6805270a76045f27455b938c8ef18d14b95e573f4526b706174
- SSDEEP 24576:UBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBk:UBPBiRe6NrfMn2
- TLSH T1E7659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 5464 RobloxGameClientHandler.exe 5344 RobloxGameClientHandler.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Windows\CurrentVersion\Run\RobloxGameClientHandler.exe = "C:\\Users\\Admin\\AppData\\Local\\Roblox\\GameClientHandler\\RobloxGameClientHandler.exe" 2026-11-02_cb545d710a5f3c2d970a9deac6847fa6_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 2026-11-02_cb545d710a5f3c2d970a9deac6847fa6_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-11-02_cb545d710a5f3c2d970a9deac6847fa6_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-11-02_cb545d710a5f3c2d970a9deac6847fa6_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 2026-11-02_cb545d710a5f3c2d970a9deac6847fa6_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 2026-11-02_cb545d710a5f3c2d970a9deac6847fa6_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-11-02_cb545d710a5f3c2d970a9deac6847fa6_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-11-02_cb545d710a5f3c2d970a9deac6847fa6_amadey_elex_hellokitty_luca-stealer_njrat.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5464 RobloxGameClientHandler.exe 5464 RobloxGameClientHandler.exe 5464 RobloxGameClientHandler.exe 5464 RobloxGameClientHandler.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5464 wrote to memory of 5344 5464 RobloxGameClientHandler.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-11-02_cb545d710a5f3c2d970a9deac6847fa6_amadey_elex_hellokitty_luca-stealer_njrat.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-02_cb545d710a5f3c2d970a9deac6847fa6_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:3512
-
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:5464 -
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:5344
-
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 c608b52f41d484f5c1852cdc19a9b51211f3da893be422f180541f83ad833f37
- MD5 b4299059f7aa9381bcc389fa3751ad05
- SHA1 dd5ddbe77fc55e66129a4cd904ff7ba79bc0c17a
- SHA512 813299a461e1a681cc46fba9090938838919ffbb1b08c17de3e0b87779ac0bbbce10cce559d0d83dc684025ea17ddb2e7d905bbf19564cb5e19b51709de720da
- SSDEEP 24576:oBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nB8:oBPBiRe6NrfMnu
- TLSH T195659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH