Analysis
- max time kernel
148s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/11/2026, 09:56
Static task
static1
Behavioral task
behavioral1
Sample
2026-11-01_bf52eca7e4d84996cbafe707c1daaa02_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
2026-11-01_bf52eca7e4d84996cbafe707c1daaa02_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win11ltsc2024-20260911-en
General
- Target 2026-11-01_bf52eca7e4d84996cbafe707c1daaa02_amadey_elex_hellokitty_luca-stealer_njrat.exe
- Size 1.4MB
- Sample261102-lynncssvd1
- SHA256 59ab8b73ca989ad515209d5375e196c6a8e9fe387bca9bd02d3b8b4a36e73938
- MD5 bf52eca7e4d84996cbafe707c1daaa02
- SHA1 af8d9809d93a12aaa519ae803a1228b7eabfbefb
- SHA512 9e4cb71a01f1e15feeb299b4931b02520ba34f9e4ca7f7bd90b45453e19b95172f381fefa1732995c01b4630485e55ca9f8b3ec3b7ca232f97f45b996a9f9a84
- SSDEEP 24576:BBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBs:BBPBiRe6NrfMne
- TLSH T1CA659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 5916 RobloxGameClientHandler.exe 4772 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" 2026-11-01_bf52eca7e4d84996cbafe707c1daaa02_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 2026-11-01_bf52eca7e4d84996cbafe707c1daaa02_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-11-01_bf52eca7e4d84996cbafe707c1daaa02_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-11-01_bf52eca7e4d84996cbafe707c1daaa02_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 2026-11-01_bf52eca7e4d84996cbafe707c1daaa02_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 2026-11-01_bf52eca7e4d84996cbafe707c1daaa02_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-11-01_bf52eca7e4d84996cbafe707c1daaa02_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-11-01_bf52eca7e4d84996cbafe707c1daaa02_amadey_elex_hellokitty_luca-stealer_njrat.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5916 RobloxGameClientHandler.exe 5916 RobloxGameClientHandler.exe 5916 RobloxGameClientHandler.exe 5916 RobloxGameClientHandler.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5916 wrote to memory of 4772 5916 RobloxGameClientHandler.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-11-01_bf52eca7e4d84996cbafe707c1daaa02_amadey_elex_hellokitty_luca-stealer_njrat.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-01_bf52eca7e4d84996cbafe707c1daaa02_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:2520
-
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:5916 -
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:4772
-
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 a266999b5c8447dbdb07a5f90b0a443d97da69092c80c032aef18364343d807e
- MD5 dc939b8d780507398bfbe20f9ad5f7db
- SHA1 bf8710e9a09f2f6748dd5aadf8aa50fd4c85798c
- SHA512 153d6eaaa95858c51306cc3614d4baef9f1cd83a41c6aa18a27afd0426fb38f6380b62d92dbcf40c6e82580dcafe752caeea26b79b5250dd6c214a5fa6ab7473
- SSDEEP 24576:BBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBs:BBPBiRe6NrfMne
- TLSH T127659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH