Analysis
- max time kernel
148s - max time network
145s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
22/10/2026, 20:04
Static task
static1
Behavioral task
behavioral1
Sample
2026-10-21_7d9507f40e3baf6dfe6e932e6121fae6_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
2026-10-21_7d9507f40e3baf6dfe6e932e6121fae6_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win11ltsc2024-20260911-en
General
- Target 2026-10-21_7d9507f40e3baf6dfe6e932e6121fae6_amadey_elex_hellokitty_luca-stealer_njrat.exe
- Size 1.4MB
- Sample261022-ytm79atxes
- SHA256 9a9de183618ce9aa8ba35c55012a78531904be115f2f925c950328c1aecf5b6a
- MD5 7d9507f40e3baf6dfe6e932e6121fae6
- SHA1 a4a22bfb0bec9ef34cc78a81efd1069b93569308
- SHA512 87d4585a1325e4c50beb9de9fa0faef8214bf9c081ca805781f37624cafdf4247eea4ea51829c2b8d235dd4c500b6d56c44face53a38ff58c85468acfa3f2b61
- SSDEEP 24576:BBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBk:BBPBiRe6NrfMnG
- TLSH T107659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 5440 RobloxGameClientHandler.exe 4276 RobloxGameClientHandler.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\RobloxGameClientHandler.exe = "C:\\Users\\Admin\\AppData\\Local\\Roblox\\GameClientHandler\\RobloxGameClientHandler.exe" 2026-10-21_7d9507f40e3baf6dfe6e932e6121fae6_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\2026-10-21_7d9507f40e3baf6dfe6e932e6121fae6_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-10-21_7d9507f40e3baf6dfe6e932e6121fae6_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Roblox\GameClientHandler\RobloxGameClientHandler.exe:Zone.Identifier 2026-10-21_7d9507f40e3baf6dfe6e932e6121fae6_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 2026-10-21_7d9507f40e3baf6dfe6e932e6121fae6_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 2026-10-21_7d9507f40e3baf6dfe6e932e6121fae6_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-10-21_7d9507f40e3baf6dfe6e932e6121fae6_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-10-21_7d9507f40e3baf6dfe6e932e6121fae6_amadey_elex_hellokitty_luca-stealer_njrat.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5440 RobloxGameClientHandler.exe 5440 RobloxGameClientHandler.exe 5440 RobloxGameClientHandler.exe 5440 RobloxGameClientHandler.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5440 wrote to memory of 4276 5440 RobloxGameClientHandler.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-21_7d9507f40e3baf6dfe6e932e6121fae6_amadey_elex_hellokitty_luca-stealer_njrat.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-21_7d9507f40e3baf6dfe6e932e6121fae6_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:5564
-
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:5440 -
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:4276
-
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 078b62fa1619b72eb0980aa6b452db48642093e2fd6ca6f2276ebbc22d15d4e9
- MD5 2edafe768fd9226074400fdbb6f02b99
- SHA1 2b9721c12924c4339f2e1e451bb2822f215ed112
- SHA512 2aa378cc53f6265aa15d6f55b7521ae41491bea16cde17cedc901f724b1412f54013f0fb70843bd1961ece635980713854f323f3a1832469433bd67083e33d7e
- SSDEEP 24576:TBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBM:TBPBiRe6NrfMnu
- TLSH T1EB659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH