Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'mKYgMPvAzCKFptDgVGHfzTwrShcaYaRvOppIESKu' = '%APPDATA%\Mr.X SMS BOMBER.exe'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DisableNotifications' = '00000001'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '<Full path to virus>:*:Enabled:ipsec'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
blocks execution of the following system utilities:
- Windows Task Manager (Taskmgr)
- Registry Editor (RegEdit)
blocks the following features:
- User Account Control (UAC)
- Windows Security Center
Executes the following:
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:"%TEMP%\RES2.tmp"" ""%TEMP%\vbc1.tmp""
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe /noconfig @"%TEMP%\rb2caagw.cmdline"
Injects code into
the following system processes:
- <SYSTEM32>\cscript.exe
- <SYSTEM32>\ctfmon.exe
- %WINDIR%\Explorer.EXE
a large number of user processes.
Terminates or attempts to terminate
the following user processes:
- ccapp.exe
Modifies file system :
Creates the following files:
- %TEMP%\RES2.tmp
- %TEMP%\rb2caagw.dll
- %APPDATA%\Mr.X SMS BOMBER.exe
- %TEMP%\vbc1.tmp
- %TEMP%\rb2caagw.0.vb
- %TEMP%\rb2caagw.cmdline
- %TEMP%\rb2caagw.out
Deletes the following files:
- %TEMP%\rb2caagw.cmdline
- %TEMP%\rb2caagw.out
- %TEMP%\rb2caagw.0.vb
- %TEMP%\RES2.tmp
- %TEMP%\vbc1.tmp
- %TEMP%\rb2caagw.dll
Network activity:
Connects to:
- '<Private IP address>':8080
- '<Private IP address>':5001
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'VMDragDetectWndClass' WindowName: ''
