Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'b7f8e9192bb7a629acb17eb1448b1d32' = '"%APPDATA%\tefa.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'b7f8e9192bb7a629acb17eb1448b1d32' = '"%APPDATA%\tefa.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\b7f8e9192bb7a629acb17eb1448b1d32.exe
Creates the following files on removable media:
- <Drive name for removable media>:\ My Picutre.SCR
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\tefa.exe' = '%APPDATA%\tefa.exe:*:Enabled:tefa.exe'
Creates and executes the following:
- '%APPDATA%\tefa.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\tefa.exe" "tefa.exe" ENABLE
Modifies file system :
Creates the following files:
- C:\ My Picutre.SCR
- %APPDATA%\tefa.exe
Network activity:
Connects to:
- 'no#.#o-ip.biz':1177
UDP:
- DNS ASK no#.#o-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'