Analysis
- max time kernel
149s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
04/11/2026, 16:18
Static task
static1
Behavioral task
behavioral1
Sample
2026-11-03_7a3a1cf4d4dc2d0907382293395f16e8_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
2026-11-03_7a3a1cf4d4dc2d0907382293395f16e8_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win11ltsc2024-20260911-en
General
- Target 2026-11-03_7a3a1cf4d4dc2d0907382293395f16e8_amadey_elex_hellokitty_luca-stealer_njrat.exe
- Size 1.4MB
- Sample261104-tsb2dadh76
- SHA256 bca29af4d6903413a8a5106f5a72c9a42d377646461eda8929b00029c5fcf902
- MD5 7a3a1cf4d4dc2d0907382293395f16e8
- SHA1 771728fd7b0e39ae8abfc0585d8f822c34e6602c
- SHA512 ca1ddfc42425206705203c1ba33cdfa2acbdaa6d04c3f530cfe225d5d57bd3fbf3b69b5af1799584b2ae9c4af8f1239e917abc14c1496006988f20a542fe2d44
- SSDEEP 24576:HBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nB:HBPBiRe6NrfMn
- TLSH T1D6659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 1916 RobloxGameClientHandler.exe 3536 RobloxGameClientHandler.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RobloxGameClientHandler.exe = "C:\\Users\\Admin\\AppData\\Local\\Roblox\\GameClientHandler\\RobloxGameClientHandler.exe" 2026-11-03_7a3a1cf4d4dc2d0907382293395f16e8_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 2026-11-03_7a3a1cf4d4dc2d0907382293395f16e8_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-11-03_7a3a1cf4d4dc2d0907382293395f16e8_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-11-03_7a3a1cf4d4dc2d0907382293395f16e8_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 2026-11-03_7a3a1cf4d4dc2d0907382293395f16e8_amadey_elex_hellokitty_luca-stealer_njrat.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RobloxGameClientHandler.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 2026-11-03_7a3a1cf4d4dc2d0907382293395f16e8_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-11-03_7a3a1cf4d4dc2d0907382293395f16e8_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-11-03_7a3a1cf4d4dc2d0907382293395f16e8_amadey_elex_hellokitty_luca-stealer_njrat.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1916 RobloxGameClientHandler.exe 1916 RobloxGameClientHandler.exe 1916 RobloxGameClientHandler.exe 1916 RobloxGameClientHandler.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1916 wrote to memory of 3536 1916 RobloxGameClientHandler.exe 98
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-11-03_7a3a1cf4d4dc2d0907382293395f16e8_amadey_elex_hellokitty_luca-stealer_njrat.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-03_7a3a1cf4d4dc2d0907382293395f16e8_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:4708
-
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:1916 -
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:3536
-
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 f919976295f8fb516bd8534463506750cb29500f904fa7e2a9a6819b43a44f22
- MD5 bfe96d167397a15d9c6b0266fd14a056
- SHA1 3caac80ed238c64a0932308679d20b68d53837e3
- SHA512 78d6c0e8835e79e2d50fda9c35dc63e37ab919fb8fe80be3037e6ca138f19ca22f23f88fba2c70151b92d8d643696de454f297b2bc259d9088e75446666b3fbb
- SSDEEP 24576:CBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBM:CBPBiRe6NrfMnO
- TLSH T109659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH