File name:

Windows Defender SmartScreen.exe

Full analysis: https://app.any.run/tasks/5fafdd26-12e5-46f6-82d8-5a08243dda31
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.

Malware Trends Tracker     >>>
Analysis date: January 16, 2024, 09:01:36
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
njrat
bladabindi
remote
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

8659CABC6FA34D006BEC00DBA8CD93FC

SHA1:

125356068C0A7A23225E433A617521C6207CF504

SHA256:

6A4F77F4DBEAA7ABF424021A509E260D3262191E11094F9849CE0DB9F08C92BC

SSDEEP:

768:CsPClPJaxRQsVDtcka1rqunKWaHGk3rSaowC7c1iajVQNPl1Rz4Rk3PsOdMTaBto:7kOtcd12GaHZOgC7kuZl1dDPSTaP

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Drops the executable file immediately after the start

      • Windows Defender SmartScreen.exe (PID: 124)

    • Create files in the Startup directory

      • Windows Defender SmartScreen.exe (PID: 124)

    • NJRAT has been detected (SURICATA)

      • Windows Defender SmartScreen.exe (PID: 124)

    • Connects to the CnC server

      • Windows Defender SmartScreen.exe (PID: 124)

    • NJRAT has been detected (YARA)

      • Windows Defender SmartScreen.exe (PID: 124)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • Windows Defender SmartScreen.exe (PID: 124)

    • Uses NETSH.EXE to add a firewall rule or allowed programs

      • Windows Defender SmartScreen.exe (PID: 124)

    • Uses NETSH.EXE to delete a firewall rule or allowed programs

      • Windows Defender SmartScreen.exe (PID: 124)

    • Connects to unusual port

      • Windows Defender SmartScreen.exe (PID: 124)

    • The process executes via Task Scheduler

      • StUpdate.exe (PID: 188)
      • StUpdate.exe (PID: 1656)

  • INFO

    • Reads the computer name

      • Windows Defender SmartScreen.exe (PID: 124)
      • StUpdate.exe (PID: 188)

    • Checks supported languages

      • Windows Defender SmartScreen.exe (PID: 124)
      • StUpdate.exe (PID: 188)

    • Create files in a temporary directory

      • Windows Defender SmartScreen.exe (PID: 124)
      • StUpdate.exe (PID: 188)

    • Reads the machine GUID from the registry

      • Windows Defender SmartScreen.exe (PID: 124)
      • StUpdate.exe (PID: 188)

    • Creates files or folders in the user directory

      • Windows Defender SmartScreen.exe (PID: 124)

    • Reads Environment values

      • Windows Defender SmartScreen.exe (PID: 124)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

NjRat

(PID) Process(124) Windows Defender SmartScreen.exe
C2147.185.221.18
Ports2231
BotnetRuntime Broker
Options
Auto-run registry keySoftware\Microsoft\Windows\CurrentVersion\Run\e922cee3341afd6aa6ffa9b023071514
Splitter|'|'|
Version0.7d
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (56.7)
.exe | Win64 Executable (generic) (21.3)
.scr | Windows screen saver (10.1)
.dll | Win32 Dynamic Link Library (generic) (5)
.exe | Win32 Executable (generic) (3.4)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2024:01:16 09:02:51+01:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 8
CodeSize: 94208
InitializedDataSize: 512
UninitializedDataSize: -
EntryPoint: 0x18f3e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
48
Monitored processes
7
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #NJRAT windows defender smartscreen.exe netsh.exe no specs netsh.exe no specs netsh.exe no specs schtasks.exe no specs stupdate.exe no specs stupdate.exe

Process information

PID
CMD
Path
Indicators
Parent process
124"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
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\windows defender smartscreen.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
NjRat
(PID) Process(124) Windows Defender SmartScreen.exe
C2147.185.221.18
Ports2231
BotnetRuntime Broker
Options
Auto-run registry keySoftware\Microsoft\Windows\CurrentVersion\Run\e922cee3341afd6aa6ffa9b023071514
Splitter|'|'|
Version0.7d
188C:\Users\admin\AppData\Local\Temp/StUpdate.exe C:\Users\admin\AppData\Local\Temp\StUpdate.exe
taskeng.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\stupdate.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
296netsh firewall add allowedprogram "C:\Users\admin\AppData\Local\Temp\Windows Defender SmartScreen.exe" "Windows Defender SmartScreen.exe" ENABLEC:\Windows\System32\netsh.exe—Windows Defender SmartScreen.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Network Command Shell
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\netsh.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\credui.dll
c:\windows\system32\user32.dll
668schtasks /create /sc minute /mo 1 /tn StUpdate /tr C:\Users\admin\AppData\Local\Temp/StUpdate.exeC:\Windows\System32\schtasks.exe—Windows Defender SmartScreen.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Manages scheduled tasks
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\schtasks.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\ole32.dll
1392netsh firewall add allowedprogram "C:\Users\admin\AppData\Local\Temp\Windows Defender SmartScreen.exe" "Windows Defender SmartScreen.exe" ENABLEC:\Windows\System32\netsh.exe—Windows Defender SmartScreen.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Network Command Shell
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\netsh.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\credui.dll
c:\windows\system32\user32.dll
1656C:\Users\admin\AppData\Local\Temp/StUpdate.exe C:\Users\admin\AppData\Local\Temp\StUpdate.exe—taskeng.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\temp\stupdate.exe
c:\windows\system32\ntdll.dll
2020netsh firewall delete allowedprogram "C:\Users\admin\AppData\Local\Temp\Windows Defender SmartScreen.exe"C:\Windows\System32\netsh.exe—Windows Defender SmartScreen.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Network Command Shell
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\netsh.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\credui.dll
c:\windows\system32\user32.dll
Total events
2 078
Read events
1 940
Write events
138
Delete events
0

Modification events

(PID) Process:(296) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(1392) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(2020) netsh.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
Executable files
10
Suspicious files
0
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
124Windows Defender SmartScreen.exeC:\Users\admin\AppData\Local\Temp\StUpdate.exeexecutable
MD5:8659CABC6FA34D006BEC00DBA8CD93FC
SHA256:6A4F77F4DBEAA7ABF424021A509E260D3262191E11094F9849CE0DB9F08C92BC
124Windows Defender SmartScreen.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\Explower.exeexecutable
MD5:8659CABC6FA34D006BEC00DBA8CD93FC
SHA256:6A4F77F4DBEAA7ABF424021A509E260D3262191E11094F9849CE0DB9F08C92BC
124Windows Defender SmartScreen.exeC:\Users\admin\Desktop\Explower.exeexecutable
MD5:8659CABC6FA34D006BEC00DBA8CD93FC
SHA256:6A4F77F4DBEAA7ABF424021A509E260D3262191E11094F9849CE0DB9F08C92BC
124Windows Defender SmartScreen.exeC:\Users\admin\AppData\Roaming\apptext
MD5:02B81B0CBE1FAAA1FA62D5FC876AB443
SHA256:E7E9E2C247BC872BACCE77661C78F001A17D70EE3130A9016A5818DA9DA00CDB
124Windows Defender SmartScreen.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exeexecutable
MD5:8659CABC6FA34D006BEC00DBA8CD93FC
SHA256:6A4F77F4DBEAA7ABF424021A509E260D3262191E11094F9849CE0DB9F08C92BC
124Windows Defender SmartScreen.exeC:\Users\admin\Documents\Explower.exeexecutable
MD5:8659CABC6FA34D006BEC00DBA8CD93FC
SHA256:6A4F77F4DBEAA7ABF424021A509E260D3262191E11094F9849CE0DB9F08C92BC
124Windows Defender SmartScreen.exeC:\Users\admin\AppData\Local\Microsoft\Windows\History\Explower.exeexecutable
MD5:8659CABC6FA34D006BEC00DBA8CD93FC
SHA256:6A4F77F4DBEAA7ABF424021A509E260D3262191E11094F9849CE0DB9F08C92BC
124Windows Defender SmartScreen.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exeexecutable
MD5:8659CABC6FA34D006BEC00DBA8CD93FC
SHA256:6A4F77F4DBEAA7ABF424021A509E260D3262191E11094F9849CE0DB9F08C92BC
124Windows Defender SmartScreen.exeC:\Users\admin\Favorites\Explower.exeexecutable
MD5:8659CABC6FA34D006BEC00DBA8CD93FC
SHA256:6A4F77F4DBEAA7ABF424021A509E260D3262191E11094F9849CE0DB9F08C92BC
124Windows Defender SmartScreen.exeC:\Users\admin\AppData\Local\Explower.exeexecutable
MD5:8659CABC6FA34D006BEC00DBA8CD93FC
SHA256:6A4F77F4DBEAA7ABF424021A509E260D3262191E11094F9849CE0DB9F08C92BC
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
3

HTTP requests

No 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
192.168.100.255:138
—
—
—
unknown
4
System
192.168.100.255:137
—
—
—
unknown
1080
svchost.exe
224.0.0.252:5355
—
—
—
unknown
124
Windows Defender SmartScreen.exe
147.185.221.18:2231
—
PLAYIT-GG
US
unknown

DNS requests

No data

Threats

PID
Process
Class
Message
—
—
Malware Command and Control Activity Detected
ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
2 ETPRO signatures available at the full report
No debug info
Interactive malware hunting service ANY.RUN
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ANY.RUN
Reports
Windows Defender SmartScreen.exe