Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '33f7c9040ea511b9959e85733817c2a0' = '"%TEMP%\Win3.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '33f7c9040ea511b9959e85733817c2a0' = '"%TEMP%\Win3.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\33f7c9040ea511b9959e85733817c2a0.exe
Creates the following files on removable media:
- <Drive name for removable media>:\33f7c9040ea511b9959e85733817c2a0.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\Win3.exe' = '%TEMP%\Win3.exe:*:Enabled:Win3.exe'
Creates and executes the following:
- '%TEMP%\Win3.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\Win3.exe" "Win3.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\Win3.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\33f7c9040ea511b9959e85733817c2a0.exe
Network activity:
Connects to:
- 'ia#####d12.no-ip.biz':1188
UDP:
- DNS ASK ia#####d12.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
