Technical Information
Malicious functions:
Executes the following:
- '<SYSTEM32>\schtasks.exe' /Create /TN "Update\msconfig" /XML "%TEMP%\z464"
Modifies file system:
Creates the following files:
- %TEMP%\CabD.tmp
- %TEMP%\CabB.tmp
- %TEMP%\z464
- %APPDATA%\msconfig.exe
- %TEMP%\Cab9.tmp
- %TEMP%\Cab3.tmp
- %TEMP%\Cab1.tmp
- %TEMP%\Cab7.tmp
- %TEMP%\Cab5.tmp
Sets the 'hidden' attribute to the following files:
- <Full path to file>
Deletes the following files:
- %TEMP%\CabB.tmp
- %TEMP%\Cab9.tmp
- %TEMP%\z464
- %TEMP%\CabD.tmp
- %TEMP%\Cab3.tmp
- %TEMP%\Cab1.tmp
- %TEMP%\Cab7.tmp
- %TEMP%\Cab5.tmp
Network activity:
Connects to:
- 'www.download.windowsupdate.com':80
- 'ca#####.digicert.com':80
- 'wp#d':80
TCP:
HTTP GET requests:
- http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootseq.txt
- http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
- http://11#.#11.111.1/wpad.dat via wp#d
- http://ca#####.digicert.com/DigiCertAssuredIDRootCA.crt
UDP:
- DNS ASK www.download.windowsupdate.com
- DNS ASK ca#####.digicert.com
- DNS ASK wp#d
