bca29af4d6903413a8a5106f5a72c9a42d377646461eda8929b00029c5fcf902

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

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4624	RobloxGameClientHandler.exe
3864	RobloxGameClientHandler.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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"	2026-11-03_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.

defense_evasion

SIP and Trust Provider Hijacking

T1553.003

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 Information Discovery
T1082

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.

discovery

System Language Discovery

T1614.001

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
4624	RobloxGameClientHandler.exe
4624	RobloxGameClientHandler.exe
4624	RobloxGameClientHandler.exe
4624	RobloxGameClientHandler.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4624 wrote to memory of 3864	4624	RobloxGameClientHandler.exe	91

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:2420

C:\Users\Admin\AppData\Local\Roblox\GameClientHandler\RobloxGameClientHandler.exe
C:\Users\Admin\AppData\Local\Roblox\GameClientHandler\RobloxGameClientHandler.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4624
- 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:3864

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

SIP and Trust Provider Hijacking

1

T1553.003

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

RobloxGameClientHandler.exe

Path C:\Users\Admin\AppData\Local\Roblox\GameClientHandler\RobloxGameClientHandler.exe
Size 1.4MB
SHA256 0780c56297417ec504507bdea4b3fd3b705e045e72ea1352688ac809bb054b5e
MD5 2582e8cc2b952de1e40445f458fe87d8
SHA1 cf9351a3817a1affc3cf0f31d37778c8d08fb124
SHA512 90a20969f6259751944c4d179f458a330ab841fe2985a4a0dcb5ef3ee8786be434a7d384141ed292fb7c2c504bc8f2f3823a8f88d445e6dc7a4c3b4984069131
SSDEEP 24576:lBcVS7OfSt5QbrxsSejdXg1zQw3rR0oQG7d6nBc:lBPBiRe6NrfMnO
TLSH
T1C8659D06B28A43FDC5E311B8FE29B2E39876952D637B61F3606C425814309FB16EB3D5
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2420-0-0x00000000005D0000-0x00000000005D1000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads