Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ctfnom' = 'C:\Dir\ctfnom.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'wextract_cleanup0' = 'rundll32.exe <SYSTEM32>\advpack.dll,DelNodeRunDLL32 ""%TEMP%\IXP000.TMP\""'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Mirc.exe
Malicious functions:
Creates and executes the following:
- C:\Dir\ctfnom.exe
Executes the following:
- <SYSTEM32>\cmd.exe /c C:\runner.bat
- <SYSTEM32>\net1.exe stop sharedaccess
- <SYSTEM32>\net.exe stop sharedaccess
Modifies file system :
Creates the following files:
- C:\runner.bat
- C:\Dir\Dated.dat
- %TEMP%\IXP000.TMP\01.Exe
- C:\Dir\ctfnom.exe
Sets the 'hidden' attribute to the following files:
- C:\Dir\ctfnom.exe
Deletes the following files:
- %TEMP%\IXP000.TMP\01.Exe
Network activity:
Connects to:
- 'da####vil.no-ip.org':2185
UDP:
- DNS ASK da####vil.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
