Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'f9904179dec6aa5276f1363fa0f726d3' = '"%TEMP%\tasksn.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'f9904179dec6aa5276f1363fa0f726d3' = '"%TEMP%\tasksn.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\f9904179dec6aa5276f1363fa0f726d3.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\tasksn.exe' = '%TEMP%\tasksn.exe:*:Enabled:tasksn.exe'
Creates and executes the following:
- '%TEMP%\tasksn.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\tasksn.exe" "tasksn.exe" ENABLE
Modifies file system:
Creates the following files:
- %TEMP%\tasksn.exe
Network activity:
Connects to:
- 'ir#.#yftp.biz':1177
UDP:
- DNS ASK ir#.#yftp.biz
