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
18/10/2026, 15:21
Static task
static1
Behavioral task
behavioral1
Sample
2026-10-18_41c5bd547c006a5834bb936b8a98d4a3_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
2026-10-18_41c5bd547c006a5834bb936b8a98d4a3_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win11ltsc2024-20260911-en
General
- Target 2026-10-18_41c5bd547c006a5834bb936b8a98d4a3_amadey_elex_hellokitty_luca-stealer_njrat.exe
- Size 1.4MB
- Sample261018-srmk2set7j
- SHA256 d438495a1f2e9ec2b88ae95ad828baedc5a85053a433a4a18f64baef904517f6
- MD5 41c5bd547c006a5834bb936b8a98d4a3
- SHA1 863729e61d10d9e82ad62888d2b73115e7579036
- SHA512 1cd54a7be5eaf82b91d2983f7b06747eb76fab295b213d2666a995c2d4bdaa18a754ee9370330afb401ffa90cc48c72b7271548187b2bd9f1b47abaf4d9eb419
- SSDEEP 24576:1BcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBs:1BPBiRe6NrfMne
- TLSH T122659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 4388 RobloxGameClientHandler.exe 372 RobloxGameClientHandler.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000\Software\Microsoft\Windows\CurrentVersion\Run\RobloxGameClientHandler.exe = "C:\\Users\\Admin\\AppData\\Local\\Roblox\\GameClientHandler\\RobloxGameClientHandler.exe" 2026-10-18_41c5bd547c006a5834bb936b8a98d4a3_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 2026-10-18_41c5bd547c006a5834bb936b8a98d4a3_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-10-18_41c5bd547c006a5834bb936b8a98d4a3_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-10-18_41c5bd547c006a5834bb936b8a98d4a3_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 2026-10-18_41c5bd547c006a5834bb936b8a98d4a3_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 2026-10-18_41c5bd547c006a5834bb936b8a98d4a3_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-10-18_41c5bd547c006a5834bb936b8a98d4a3_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-10-18_41c5bd547c006a5834bb936b8a98d4a3_amadey_elex_hellokitty_luca-stealer_njrat.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4388 RobloxGameClientHandler.exe 4388 RobloxGameClientHandler.exe 4388 RobloxGameClientHandler.exe 4388 RobloxGameClientHandler.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4388 wrote to memory of 372 4388 RobloxGameClientHandler.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-18_41c5bd547c006a5834bb936b8a98d4a3_amadey_elex_hellokitty_luca-stealer_njrat.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-18_41c5bd547c006a5834bb936b8a98d4a3_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:3240
-
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:4388 -
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:372
-
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 51476b8c6fd734f3f3c418dd09224f36ca5dc7d4fef53d7df5886c3878ef7624
- MD5 a99838a9d3d0b0448c4d912f88d9e0e6
- SHA1 839c0daf08a1746fea80fc0638723091cb5adaef
- SHA512 75dd100f1e9450663c2a9df148b344f3d10df2aa87ecf62a124edbd498eb55d12bc0b521e3324a2684e444d7ba93e342a9c67de7411860c371992bce5bb4b34a
- SSDEEP 24576:TBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nB0:TBPBiRe6NrfMnG
- TLSH T111659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH