Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'c7192e982641757f14f66356bb4cf303' = '"%HOMEPATH%\Trojan.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'c7192e982641757f14f66356bb4cf303' = '"%HOMEPATH%\Trojan.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\c7192e982641757f14f66356bb4cf303.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%HOMEPATH%\Trojan.exe' = '%HOMEPATH%\Trojan.exe:*:Enabled:Trojan.exe'
Creates and executes the following:
- '%HOMEPATH%\Trojan.exe'
- 'C:\Extracted\virus.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%HOMEPATH%\Trojan.exe" "Trojan.exe" ENABLE
- '<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen C:\Extracted\34015_107756582607306_2617131_n.jpg
Modifies file system :
Creates the following files:
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.new
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.new
- %HOMEPATH%\Recent\Extracted.lnk
- %HOMEPATH%\Recent\34015_107756582607306_2617131_n.lnk
- C:\Extracted\34015_107756582607306_2617131_n.jpg
- %TEMP%\sfx.ini
- %HOMEPATH%\Trojan.exe
- C:\Extracted\virus.exe
Deletes the following files:
- %TEMP%\sfx.ini
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:
- 'vp####.no-ip.org':1177
UDP:
- DNS ASK vp####.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'ShImgVw:CPreviewWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
