Analysis
- max time kernel
149s - max time network
136s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
22/05/2026, 03:31
General
- Target 2026-05-22_5537b8a727b96b86706070d778bedfb5_amadey_elex_luca-stealer_njrat_remcos_smoke-loader.exe
- Size 786KB
- Sample260522-d3jafadv4m
- SHA256 5f5008a2732b7cbd540e631a54d76d61248766db5d8c219f3a291794a0e0878c
Malware Config
Signatures
- Executes dropped EXE 7 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Drops file in System32 directory 7 IoCs
- Drops file in Program Files directory 64 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies data under HKEY_USERS 5 IoCs
- Suspicious behavior: LoadsDriver 2 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-22_5537b8a727b96b86706070d778bedfb5_amadey_elex_luca-stealer_njrat_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-22_5537b8a727b96b86706070d778bedfb5_amadey_elex_luca-stealer_njrat_remcos_smoke-loader.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\System32\alg.exeC:\Windows\System32\alg.exe1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\DiagSvcs\DiagnosticsHub.StandardCollector.Service.exeC:\Windows\system32\DiagSvcs\DiagnosticsHub.StandardCollector.Service.exe1⤵
- Executes dropped EXE
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv1⤵
-
C:\Windows\system32\fxssvc.exeC:\Windows\system32\fxssvc.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
-
C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵
- Executes dropped EXE
-
C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"1⤵
- Executes dropped EXE
-
C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe"C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe"1⤵
- Executes dropped EXE
-
\??\c:\Program Files\Common Files\Microsoft Shared\Source Engine\OSE.EXE"c:\Program Files\Common Files\Microsoft Shared\Source Engine\OSE.EXE"1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
elevation_service.exe
maintenanceservice.exe
OSE.EXE
elevation_service.exe
DiagnosticsHub.StandardCollector.Service.exe
FXSSVC.exe
alg.exe
AppVClient.exe
memory/884-58-0x000001E551E60000-0x000001E551FA8000-memory.dmp
memory/884-60-0x000001E5520D0000-0x000001E552136000-memory.dmp
memory/884-59-0x000001E5520D0000-0x000001E552136000-memory.dmp
memory/2700-45-0x0000029D77C40000-0x0000029D77CA6000-memory.dmp
memory/2700-47-0x00007FF66BAC0000-0x00007FF66BD4A000-memory.dmp
memory/2700-39-0x00007FF66BAC0000-0x00007FF66BD4A000-memory.dmp
memory/2700-41-0x0000029D77C40000-0x0000029D77CA6000-memory.dmp
memory/2700-40-0x0000029D77C40000-0x0000029D77CA6000-memory.dmp
memory/2724-27-0x0000024FC2960000-0x0000024FC29C6000-memory.dmp
memory/2724-26-0x00007FF66A160000-0x00007FF66A246000-memory.dmp
memory/2724-91-0x00007FF66A160000-0x00007FF66A246000-memory.dmp
memory/2724-29-0x0000024FC2960000-0x0000024FC29C6000-memory.dmp
memory/3596-66-0x00007FF7681E0000-0x00007FF768348000-memory.dmp
memory/3596-67-0x000001F82E420000-0x000001F82E486000-memory.dmp
memory/3596-73-0x000001F82E420000-0x000001F82E486000-memory.dmp
memory/3596-75-0x00007FF7681E0000-0x00007FF768348000-memory.dmp
memory/3596-68-0x000001F82E420000-0x000001F82E486000-memory.dmp
memory/3876-51-0x000002872FEE0000-0x000002872FF46000-memory.dmp
memory/3876-50-0x000002872FCC0000-0x000002872FE08000-memory.dmp
memory/3876-52-0x000002872FEE0000-0x000002872FF46000-memory.dmp
memory/4240-80-0x0000015182630000-0x0000015182696000-memory.dmp
memory/4240-79-0x0000015182630000-0x0000015182696000-memory.dmp
memory/4240-78-0x00000151823C0000-0x0000015182508000-memory.dmp
memory/4376-1-0x0000000002570000-0x00000000025D9000-memory.dmp
memory/4376-7-0x0000000002570000-0x00000000025D9000-memory.dmp
memory/4376-0-0x0000000002340000-0x0000000002483000-memory.dmp
memory/5108-15-0x00007FF6FCBD0000-0x00007FF6FCCB6000-memory.dmp
memory/5108-16-0x000001CEA8B70000-0x000001CEA8BD6000-memory.dmp
memory/5108-18-0x000001CEA8B70000-0x000001CEA8BD6000-memory.dmp
memory/5108-88-0x00007FF6FCBD0000-0x00007FF6FCCB6000-memory.dmp