Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wuaclts.exe' = 'C:\swssetup\systems.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wuaclt.exe' = '%WINDIR%\14785\systems.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\trabajo.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\System\systems.exe
- <Drive name for removable media>:\MOXITA.EXE
Malicious functions:
Executes the following:
- '<SYSTEM32>\attrib.exe' +S +H +R "I:\autorun.inf"
- '<SYSTEM32>\attrib.exe' +S +H +R "J:\autorun.inf"
- '<SYSTEM32>\attrib.exe' +S +H +R "G:\autorun.inf"
- '<SYSTEM32>\attrib.exe' +S +H +R "H:\autorun.inf"
- '<SYSTEM32>\reg.exe' ADD HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Windows /v ErrorMode /t REG_DWORD /d "2" /f
- '<SYSTEM32>\ping.exe' 127.0.0.1 -n 40
- '<SYSTEM32>\reg.exe' ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v wuaclt.exe /t REG_SZ /d "%WINDIR%\14785\systems.exe" /f
- '<SYSTEM32>\reg.exe' ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v wuaclts.exe /t REG_SZ /d "C:\swssetup\systems.exe" /f
- '<SYSTEM32>\attrib.exe' +S +H +R "G:\system"
- '<SYSTEM32>\attrib.exe' +S +H +R "H:\system"
- '<SYSTEM32>\attrib.exe' +S +H +R "E:\system"
- '<SYSTEM32>\attrib.exe' +S +H +R "F:\system"
- '<SYSTEM32>\attrib.exe' +S +H +R "E:\autorun.inf"
- '<SYSTEM32>\attrib.exe' +S +H +R "F:\autorun.inf"
- '<SYSTEM32>\attrib.exe' +S +H +R "I:\system"
- '<SYSTEM32>\attrib.exe' +S +H +R "J:\system"
Modifies file system :
Creates the following files:
- %WINDIR%\14785\WINUPDATE.DLL
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\f195d7b8.any[1]
- C:\swssetup\systems.exe
- %TEMP%\~1.bat
- %WINDIR%\14785\systems.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- %TEMP%\~1.bat
Network activity:
Connects to:
- 'f1###7b8.any.gs':80
- 'localhost':1036
TCP:
HTTP GET requests:
- f1###7b8.any.gs/
UDP:
- DNS ASK f1###7b8.any.gs
Miscellaneous:
Searches for the following windows:
- ClassName: 'IEFrame' WindowName: '(null)'
- ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
- ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: '' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
