Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'ee1a61dd704f6b26b3c7fd767e4ab6f7' = '"%TEMP%\systemt.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ee1a61dd704f6b26b3c7fd767e4ab6f7' = '"%TEMP%\systemt.exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\systemt.exe' = '%TEMP%\systemt.exe:*:Enabled:systemt.exe'
Creates and executes the following:
- '%TEMP%\systemt.exe'
- 'C:\1.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\systemt.exe" "systemt.exe" ENABLE
- '<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen c:\messi.jpeg
Modifies file system :
Creates the following files:
- %TEMP%\systemt.exe
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.new
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.new
- %HOMEPATH%\Recent\Local Disk (C).lnk
- C:\1.exe
- C:\messi.jpeg
- %HOMEPATH%\Recent\messi.lnk
Moves the following files:
- from %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.new to %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch
- from %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.new to %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch
Network activity:
Connects to:
- 'ab#####lif.zapto.org':1177
UDP:
- DNS ASK ab#####lif.zapto.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'ShImgVw:CPreviewWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'EDIT' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
