Analysis
- max time kernel
149s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
23/10/2026, 22:57
Static task
static1
Behavioral task
behavioral1
Sample
2026-10-22_ba4b28defa5f8545b63b47d9be11e65d_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
2026-10-22_ba4b28defa5f8545b63b47d9be11e65d_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win11ltsc2024-20260911-en
General
- Target 2026-10-22_ba4b28defa5f8545b63b47d9be11e65d_amadey_elex_hellokitty_luca-stealer_njrat.exe
- Size 1.4MB
- Sample261023-2w8thset9y
- SHA256 6e259279f27a8cec8580e708f2afa6adfc9c829f2c622e3341a4937550c231ab
- MD5 ba4b28defa5f8545b63b47d9be11e65d
- SHA1 ecd295bb9e63fc72c0e59a0fd3d8ff5d76b4eab3
- SHA512 b0da96dc85ad31708cf88f1b639146594df730bd66e2a86cf3cd3154e3d9a20208fe1d779364d41089de22e2dad1f8956aeabf2c81fcf2c987bc63c7dccecc00
- SSDEEP 24576:jBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBk:jBPBiRe6NrfMnW
- TLSH T1D8659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 3288 RobloxGameClientHandler.exe 4852 RobloxGameClientHandler.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RobloxGameClientHandler.exe = "C:\\Users\\Admin\\AppData\\Local\\Roblox\\GameClientHandler\\RobloxGameClientHandler.exe" 2026-10-22_ba4b28defa5f8545b63b47d9be11e65d_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 2026-10-22_ba4b28defa5f8545b63b47d9be11e65d_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-10-22_ba4b28defa5f8545b63b47d9be11e65d_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-10-22_ba4b28defa5f8545b63b47d9be11e65d_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 2026-10-22_ba4b28defa5f8545b63b47d9be11e65d_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 2026-10-22_ba4b28defa5f8545b63b47d9be11e65d_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-10-22_ba4b28defa5f8545b63b47d9be11e65d_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-10-22_ba4b28defa5f8545b63b47d9be11e65d_amadey_elex_hellokitty_luca-stealer_njrat.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3288 RobloxGameClientHandler.exe 3288 RobloxGameClientHandler.exe 3288 RobloxGameClientHandler.exe 3288 RobloxGameClientHandler.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3288 wrote to memory of 4852 3288 RobloxGameClientHandler.exe 95
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-22_ba4b28defa5f8545b63b47d9be11e65d_amadey_elex_hellokitty_luca-stealer_njrat.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-22_ba4b28defa5f8545b63b47d9be11e65d_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:2548
-
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:3288 -
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:4852
-
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 57b4b719b18a7cc84e3d26ab234491d66d498cb57799f3edfc0606bf3909db6d
- MD5 e698e2c46f83583b17b7dc35f2a4459a
- SHA1 def237696ccc0364a68e40092187e63beaab5398
- SHA512 ad620ddf84630923321a25d8167c46a2c4f5f4c6db677502953e846d89cfea07c7b92b9434265acc72b6424b45ac5c46e19eb869ada833470f422740ffc65394
- SSDEEP 24576:bBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBE:bBPBiRe6NrfMn2
- TLSH T18C659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH