Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '28575ed8bb74f439b4c691bf8d12c40b' = '"%TEMP%\about.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '28575ed8bb74f439b4c691bf8d12c40b' = '"%TEMP%\about.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\28575ed8bb74f439b4c691bf8d12c40b.exe
Creates the following files on removable media:
- <Drive name for removable media>:\28575ed8bb74f439b4c691bf8d12c40b.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\about.exe' = '%TEMP%\about.exe:*:Enabled:about.exe'
Creates and executes the following:
- '%TEMP%\about.exe'
- '<Current directory>\ahmed.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\about.exe" "about.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\about.exe
- <Current directory>\ahmed.exe
- <Current directory>\untitled.ico
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\28575ed8bb74f439b4c691bf8d12c40b.exe
Network activity:
Connects to:
- 'ah####19.no-ip.org':1177
UDP:
- DNS ASK ah####19.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'EDIT' WindowName: '(null)'
