Analysis
- max time kernel
148s - max time network
140s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-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 4600 RobloxGameClientHandler.exe 4224 RobloxGameClientHandler.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000\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\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 - 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 4600 RobloxGameClientHandler.exe 4600 RobloxGameClientHandler.exe 4600 RobloxGameClientHandler.exe 4600 RobloxGameClientHandler.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4600 wrote to memory of 4224 4600 RobloxGameClientHandler.exe 92
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:4328
-
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:4600 -
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:4224
-
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
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Downloads
- Path C:\Users\Admin\AppData\Local\Roblox\GameClientHandler\RobloxGameClientHandler.exe
- Size 1.4MB
- SHA256 9914fc1f4d45dacff62a8b695a9f06c8eae9e9b607f9a4c601b2c93c8cfbba1a
- MD5 432e4fa69e0b36b17eefa4b5f5df0e1c
- SHA1 c20a1a6cb68615763727ecedf2fc978d07870c60
- SHA512 e066fc2c77ad6cd9c3ae6843b45177b45bc9f86efcd920d772eea320af09177b46c9f971301ac002cbb5c6334bd4cc1ce946cdf19a1014c9bc3156f2a92e7e45
- SSDEEP 24576:IBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBk:IBPBiRe6NrfMnm
- TLSH T12A659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH