Analysis
- max time kernel
149s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
30/10/2026, 04:28
Static task
static1
Behavioral task
behavioral1
Sample
2026-10-28_5417606d611e810360441a529994aa86_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
2026-10-28_5417606d611e810360441a529994aa86_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win11ltsc2024-20260911-en
General
- Target 2026-10-28_5417606d611e810360441a529994aa86_amadey_elex_hellokitty_luca-stealer_njrat.exe
- Size 1.4MB
- Sample261030-e3vtxaaw4n
- SHA256 919d5cfdfa072355226b5e71c58fdec4736e45a44f8b1523bdb175683c1a2ef1
- MD5 5417606d611e810360441a529994aa86
- SHA1 7debec6bef4959a345c92f6fbde194a1ca4910a7
- SHA512 66034f36e31739b8df9120197a66fdbd4f78897fbae13c04548477180b2370ec1b3dbba0c3732437fc7af53972baf27f7206585f38a9086454cc4feb2dc8e391
- SSDEEP 24576:wBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBE:wBPBiRe6NrfMnG
- TLSH T1EB659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 1232 RobloxGameClientHandler.exe 1272 RobloxGameClientHandler.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RobloxGameClientHandler.exe = "C:\\Users\\Admin\\AppData\\Local\\Roblox\\GameClientHandler\\RobloxGameClientHandler.exe" 2026-10-28_5417606d611e810360441a529994aa86_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 2026-10-28_5417606d611e810360441a529994aa86_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-10-28_5417606d611e810360441a529994aa86_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-10-28_5417606d611e810360441a529994aa86_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 2026-10-28_5417606d611e810360441a529994aa86_amadey_elex_hellokitty_luca-stealer_njrat.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 2026-10-28_5417606d611e810360441a529994aa86_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-10-28_5417606d611e810360441a529994aa86_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-10-28_5417606d611e810360441a529994aa86_amadey_elex_hellokitty_luca-stealer_njrat.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1232 RobloxGameClientHandler.exe 1232 RobloxGameClientHandler.exe 1232 RobloxGameClientHandler.exe 1232 RobloxGameClientHandler.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1232 wrote to memory of 1272 1232 RobloxGameClientHandler.exe 95
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-28_5417606d611e810360441a529994aa86_amadey_elex_hellokitty_luca-stealer_njrat.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-28_5417606d611e810360441a529994aa86_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:468
-
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:1232 -
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:1272
-
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 fc4a96ced86c982701af9690c4b4693e611cdd3e627a6d2f45da38feb540cb80
- MD5 80a629e6895f6c3e4b5c9a3ff1f9baff
- SHA1 f22e100a41887dda3c0c51ddded38380d7332a92
- SHA512 e9ed9a6c905c6a57e1123352ba49408d20d27b0d3f525b1d3c7df1d005934dd3db2b354ff1937dcb11d4e11a819b514d4d4a54b5151d086e206ddefad88b4ed5
- SSDEEP 24576:/BcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBM:/BPBiRe6NrfMnu
- TLSH T1B4659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH