Analysis
- max time kernel
148s - max time network
142s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
24/10/2026, 11:39
Static task
static1
Behavioral task
behavioral1
Sample
2026-10-22_5ea956f93d0734c9720714c8a2878061_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
2026-10-22_5ea956f93d0734c9720714c8a2878061_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win11ltsc2024-20260911-en
General
- Target 2026-10-22_5ea956f93d0734c9720714c8a2878061_amadey_elex_hellokitty_luca-stealer_njrat.exe
- Size 1.4MB
- Sample261024-nsa67ahw3y
- SHA256 b83716de9d35c543f90aa9ea1ba8a9e1d82e832d9d462560191bae829f4ba2bf
- MD5 5ea956f93d0734c9720714c8a2878061
- SHA1 87a008dc34f0355f098101c3a700d7d06bec7887
- SHA512 81bbd461ac5691e0ccebfad4915098050a7c4d1cb0ca0da0097a68a4ead183ecf0851a28724e231c0bece3fa6181d29e180512a208c8bdbc0782aebaedc0e70f
- SSDEEP 24576:TBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nB0:TBPBiRe6NrfMnW
- TLSH T1B9659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 5408 RobloxGameClientHandler.exe 1128 RobloxGameClientHandler.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Windows\CurrentVersion\Run\RobloxGameClientHandler.exe = "C:\\Users\\Admin\\AppData\\Local\\Roblox\\GameClientHandler\\RobloxGameClientHandler.exe" 2026-10-22_5ea956f93d0734c9720714c8a2878061_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 2026-10-22_5ea956f93d0734c9720714c8a2878061_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-10-22_5ea956f93d0734c9720714c8a2878061_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-10-22_5ea956f93d0734c9720714c8a2878061_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 2026-10-22_5ea956f93d0734c9720714c8a2878061_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 2026-10-22_5ea956f93d0734c9720714c8a2878061_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-10-22_5ea956f93d0734c9720714c8a2878061_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-10-22_5ea956f93d0734c9720714c8a2878061_amadey_elex_hellokitty_luca-stealer_njrat.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5408 RobloxGameClientHandler.exe 5408 RobloxGameClientHandler.exe 5408 RobloxGameClientHandler.exe 5408 RobloxGameClientHandler.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5408 wrote to memory of 1128 5408 RobloxGameClientHandler.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-22_5ea956f93d0734c9720714c8a2878061_amadey_elex_hellokitty_luca-stealer_njrat.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-22_5ea956f93d0734c9720714c8a2878061_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:3872
-
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:5408 -
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:1128
-
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 9ee9afbaf5011d0aeba10291f8d45f542267db9ac12a46522cda01aef55e426e
- MD5 a3283e53b77108907e1777227362a48e
- SHA1 317eb2ad7479c2a16b2ed7931082af43f4e24648
- SHA512 7d9adc510b7b6c4cbb864bfde88bde2150ea18415aefd1a38470906e3430826f223488f4e5c232c25c43539f8d71971c8289df1002439fcd114c04abfeaef12c
- SSDEEP 24576:SBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBE:SBPBiRe6NrfMn2
- TLSH T190659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH