| File name: | Windows Defender SmartScreen.exe |
| Full analysis: | https://app.any.run/tasks/9c62cdd1-b423-4e2c-ab1a-40caa06c871d |
| Verdict: | Malicious activity |
| Threats: | njRAT is a remote access trojan. It is one of the most widely accessible RATs on the market that features an abundance of educational information. Interested attackers can even find tutorials on YouTube. This allows it to become one of the most popular RATs in the world. |
| Analysis date: | January 11, 2024, 17:14:49 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | 452BD146E25744E45FDB19E6C18F2DE6 |
| SHA1: | DE18B822EDF257618398DB5837C69B804E948FCE |
| SHA256: | AA65704FD29B1FCE7EF236E15A6822AB00C492AE273FAFDDC91C89BCAD360361 |
| SSDEEP: | 768:NGclZBEeLvEnYRrX8dM2bHMWEvvUplc8GJGo9ekRU4GKIwMesS6H1RcUR+F90hms:NgYWSvvUpleHqZ/hmi6dy9 |
MALICIOUS
Create files in the Startup directory
- Windows Defender SmartScreen.exe (PID: 2124)
SUSPICIOUS
No suspicious indicators.INFO
Checks supported languages
- Windows Defender SmartScreen.exe (PID: 2124)
Reads the computer name
- Windows Defender SmartScreen.exe (PID: 2124)
Reads the machine GUID from the registry
- Windows Defender SmartScreen.exe (PID: 2124)
Drops the executable file immediately after the start
- Windows Defender SmartScreen.exe (PID: 2124)
Creates files or folders in the user directory
- Windows Defender SmartScreen.exe (PID: 2124)
Connects to unusual port
- Windows Defender SmartScreen.exe (PID: 2124)
Manual execution by a user
- taskmgr.exe (PID: 1776)
Reads CPU info
- Windows Defender SmartScreen.exe (PID: 2124)
NJRAT has been detected (SURICATA)
- Windows Defender SmartScreen.exe (PID: 2124)
Connects to the CnC server
- Windows Defender SmartScreen.exe (PID: 2124)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (72.2) |
|---|---|---|
| .scr | | | Windows screen saver (12.9) |
| .dll | | | Win32 Dynamic Link Library (generic) (6.4) |
| .exe | | | Win32 Executable (generic) (4.4) |
| .exe | | | Generic Win/DOS Executable (1.9) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2024:01:11 02:14:26+01:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 27648 |
| InitializedDataSize: | 3072 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x8aee |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 0.0.0.0 |
| ProductVersionNumber: | 0.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| FileDescription: | |
| FileVersion: | 0.0.0.0 |
| InternalName: | m.exe |
| LegalCopyright: | |
| OriginalFileName: | m.exe |
| ProductVersion: | 0.0.0.0 |
| AssemblyVersion: | 0.0.0.0 |
Total processes
36
Monitored processes
2
Malicious processes
0
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1776 | "C:\Windows\system32\taskmgr.exe" /4 | C:\Windows\System32\taskmgr.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Task Manager Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2124 | "C:\Users\admin\AppData\Local\Temp\Windows Defender SmartScreen.exe" | C:\Users\admin\AppData\Local\Temp\Windows Defender SmartScreen.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Exit code: 0 Version: 0.0.0.0 Modules
| |||||||||||||||
Total events
1 675
Read events
1 675
Write events
0
Delete events
0
Modification events
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2124 | Windows Defender SmartScreen.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\202390833f443074fcf4a6093a759a91.exe | executable | |
MD5:452BD146E25744E45FDB19E6C18F2DE6 | SHA256:AA65704FD29B1FCE7EF236E15A6822AB00C492AE273FAFDDC91C89BCAD360361 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
5
DNS requests
0
Threats
6
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
1080 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
2124 | Windows Defender SmartScreen.exe | 147.185.221.17:62984 | — | PLAYIT-GG | US | malicious |
DNS requests
Threats
PID | Process | Class | Message |
|---|---|---|---|
2124 | Windows Defender SmartScreen.exe | Malware Command and Control Activity Detected | ET MALWARE Bladabindi/njrat CnC Checkin |
2124 | Windows Defender SmartScreen.exe | Malware Command and Control Activity Detected | ET MALWARE Bladabindi/njrat CnC Checkin |
2124 | Windows Defender SmartScreen.exe | Malware Command and Control Activity Detected | ET MALWARE Bladabindi/njrat CnC Checkin |
2124 | Windows Defender SmartScreen.exe | Malware Command and Control Activity Detected | ET MALWARE Bladabindi/njrat CnC Keep-Alive (INBOUND) |
2124 | Windows Defender SmartScreen.exe | Malware Command and Control Activity Detected | ET MALWARE Bladabindi/njrat CnC Keep-Alive (OUTBOUND) |
2124 | Windows Defender SmartScreen.exe | Malware Command and Control Activity Detected | ET MALWARE Bladabindi/njrat CnC Keep-Alive (INBOUND) |