Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices] 'Microsoft SERVICE Verifier' = 'mslogon.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Microsoft SERVICE Verifier' = 'mslogon.exe'
Malicious functions:
Creates and executes the following:
- <SYSTEM32>\mslogon.exe 316 "<Full path to virus>"
Executes the following:
- %WINDIR%\regedit.exe /S %TEMP%\1.reg
- <SYSTEM32>\cmd.exe /c c:\a.bat
Modifies file system :
Creates the following files:
- <SYSTEM32>\mslogon.exe
- %TEMP%\1.reg
- C:\a.bat
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\mslogon.exe
Deletes the following files:
- %TEMP%\1.reg
Deletes itself.
Network activity:
Connects to:
- 'ma####rew.ath.cx':6667
UDP:
- DNS ASK ma####rew.ath.cx
Miscellaneous:
Searches for the following windows:
- ClassName: 'RegEdit_RegEdit' WindowName: ''
