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
30/10/2026, 04:25
Static task
static1
Behavioral task
behavioral1
Sample
2026-10-28_54bb502ec32ae92718be28a1fbc6e2dc_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
2026-10-28_54bb502ec32ae92718be28a1fbc6e2dc_amadey_elex_hellokitty_luca-stealer_njrat.exe
Resource
win11ltsc2024-20260911-en
General
- Target 2026-10-28_54bb502ec32ae92718be28a1fbc6e2dc_amadey_elex_hellokitty_luca-stealer_njrat.exe
- Size 1.4MB
- Sample261030-e2agksvzgs
- SHA256 52c56bf280a142280db835febbeacb5d4741d701dc507e6fb04fc2c08dc1b0ce
- MD5 54bb502ec32ae92718be28a1fbc6e2dc
- SHA1 7224da66f1220ffc88e1c8596ce77be11b95817b
- SHA512 2f5da53ba584a4d4757435c3bb2e95aecf3cd81a45925a32623a9abb13419ec3d51ee92c6262463b34d7cb7ff28b12f81f232d2417ad02fe36dec1c90f5a1c73
- SSDEEP 24576:6BcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBU:6BPBiRe6NrfMn2
- TLSH T12C659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 3952 RobloxGameClientHandler.exe 3656 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" 2026-10-28_54bb502ec32ae92718be28a1fbc6e2dc_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 2026-10-28_54bb502ec32ae92718be28a1fbc6e2dc_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-10-28_54bb502ec32ae92718be28a1fbc6e2dc_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-10-28_54bb502ec32ae92718be28a1fbc6e2dc_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 2026-10-28_54bb502ec32ae92718be28a1fbc6e2dc_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 2026-10-28_54bb502ec32ae92718be28a1fbc6e2dc_amadey_elex_hellokitty_luca-stealer_njrat.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\2026-10-28_54bb502ec32ae92718be28a1fbc6e2dc_amadey_elex_hellokitty_luca-stealer_njrat.exe:Zone.Identifier 2026-10-28_54bb502ec32ae92718be28a1fbc6e2dc_amadey_elex_hellokitty_luca-stealer_njrat.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3952 RobloxGameClientHandler.exe 3952 RobloxGameClientHandler.exe 3952 RobloxGameClientHandler.exe 3952 RobloxGameClientHandler.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3952 wrote to memory of 3656 3952 RobloxGameClientHandler.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-28_54bb502ec32ae92718be28a1fbc6e2dc_amadey_elex_hellokitty_luca-stealer_njrat.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-28_54bb502ec32ae92718be28a1fbc6e2dc_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:4184
-
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:3952 -
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:3656
-
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 226b37cfaab7553e05b78d0dea64ec75c2d2fb6b30aa75e8de3a9118c0fd758c
- MD5 83518e297d7ed396bce65d89222e521e
- SHA1 45880544f1d5e9cfe3e5ace249bf948a2a911db6
- SHA512 efc5e731f8befebbc0e1b4939bdc898bab9fe41652782dfde9dfaf76d3a23b6ff7b9a0c988e9618940ebd020a0510751fb08c1c93a1414670950ded3a58da830
- SSDEEP 24576:vBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBM:vBPBiRe6NrfMnu
- TLSH T1C4659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
- MD5 SHA1 SHA512 SSDEEP TLSH