Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'cdde9babf7bba633d309e5b5096ddf59' = '"%TEMP%\yeay2.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cdde9babf7bba633d309e5b5096ddf59' = '"%TEMP%\yeay2.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\cdde9babf7bba633d309e5b5096ddf59.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\yeay2.exe' = '%TEMP%\yeay2.exe:*:Enabled:yeay2.exe'
Creates and executes the following:
- '%TEMP%\yeay2.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\yeay2.exe" "yeay2.exe" ENABLE
Modifies file system:
Creates the following files:
- %TEMP%\yeay2.exe
Network activity:
Connects to:
- '<L###LNET>.1.9':4444
