Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '28132e8017cb3a6e82db2ce3253e5ffd' = '"%TEMP%\njrat.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '28132e8017cb3a6e82db2ce3253e5ffd' = '"%TEMP%\njrat.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\28132e8017cb3a6e82db2ce3253e5ffd.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\njrat.exe' = '%TEMP%\njrat.exe:*:Enabled:njrat.exe'
Creates and executes the following:
- '%TEMP%\njrat.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\njrat.exe" "njrat.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\njrat.exe
Network activity:
Connects to:
- 'tu####ack.no-ip.biz':80
UDP:
- DNS ASK tu####ack.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
