Analysis
- max time kernel
149s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
20/10/2026, 07:51
Static task
static1
Behavioral task
behavioral1
Sample
2026-10-20_37586f17c1ecfc14a7b23c51f687c5a9_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
2026-10-20_37586f17c1ecfc14a7b23c51f687c5a9_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win11ltsc2024-20260911-en
General
- Target 2026-10-20_37586f17c1ecfc14a7b23c51f687c5a9_amadey_elex_hellokitty_luca-stealer_njrat.exe
- Size 1.4MB
- Sample261020-jpy2maxt2q
- SHA256 70b21ba1412d6432529c750a754619f4326acf7e3c90ba92b705ae5b4e08dccb
- MD5 37586f17c1ecfc14a7b23c51f687c5a9
- SHA1 04b438f6cf798dd22a838fcf70c37044f36db38d
- SHA512 61b7824f861d19571e6530e66e39e2134d19e32746f9d56a0af0df7c18abcbf0c65dbe9e44e80288887b8438080628dcb3a1daec5daa5900702709a38f304a98
- SSDEEP 24576:4BcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBs:4BPBiRe6NrfMn+
- TLSH T1B3659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 3944 RobloxGameClientHandler.exe 1232 RobloxGameClientHandler.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-681733028-2344970462-962213935-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RobloxGameClientHandler.exe = "C:\\Users\\Admin\\AppData\\Local\\Roblox\\GameClientHandler\\RobloxGameClientHandler.exe" 2026-10-20_37586f17c1ecfc14a7b23c51f687c5a9_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\Temp\2026-10-20_37586f17c1ecfc14a7b23c51f687c5a9_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-10-20_37586f17c1ecfc14a7b23c51f687c5a9_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Roblox\GameClientHandler\RobloxGameClientHandler.exe:Zone.Identifier 2026-10-20_37586f17c1ecfc14a7b23c51f687c5a9_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 RobloxGameClientHandler.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-10-20_37586f17c1ecfc14a7b23c51f687c5a9_amadey_elex_hellokitty_luca-stealer_njrat.exe - NTFS ADS 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Roblox\GameClientHandler\RobloxGameClientHandler.exe:Zone.Identifier 2026-10-20_37586f17c1ecfc14a7b23c51f687c5a9_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-10-20_37586f17c1ecfc14a7b23c51f687c5a9_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-10-20_37586f17c1ecfc14a7b23c51f687c5a9_amadey_elex_hellokitty_luca-stealer_njrat.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3944 RobloxGameClientHandler.exe 3944 RobloxGameClientHandler.exe 3944 RobloxGameClientHandler.exe 3944 RobloxGameClientHandler.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3944 wrote to memory of 1232 3944 RobloxGameClientHandler.exe 97
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-20_37586f17c1ecfc14a7b23c51f687c5a9_amadey_elex_hellokitty_luca-stealer_njrat.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-20_37586f17c1ecfc14a7b23c51f687c5a9_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:5808
-
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:3944 -
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:1232
-
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 e2901c982aa62dc204cec93d58b42a4c0d90b1358ad18600d1fa1d28fc33757d
- MD5 5c9d5f0b2e75b5b6ef150ebe3cdfd38d
- SHA1 1611b240e879192a3c5a611d282ab5c4105e25d5
- SHA512 be4060f085fcdfc867960a7c059ecb9a8d9686705111f770326d8ce7be2ac06ad6a8e07c444404992f2ad2f4c5688bc9e27acc7ac606a58c877af6a59f9b4108
- SSDEEP 24576:4BcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBs:4BPBiRe6NrfMn+
- TLSH T1A6659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH