Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'EbQkaRfpYY.exe' = '%APPDATA%\lprjJlQBvkFvmzLtsgSt\lprjJlQBvkFvmzLtsgSt\1.0.1.1\EbQkaRfpYY.exe'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\bot.exe' = '%APPDATA%\bot.exe:*:Enabled:Windows Messanger'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' = '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe:*:Enabled:Windows Messanger'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
Creates and executes the following:
- %ALLUSERSPROFILE%\Application Data\kCDYZiHnRg\kCDYZiHnRg\0.0.0.0\EbQkaRfpYY.exe
Executes the following:
- <SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /t REG_SZ /d "%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe:*:Enabled:Windows Messanger" /f
- <SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\bot.exe" /t REG_SZ /d "%APPDATA%\bot.exe:*:Enabled:Windows Messanger" /f
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe
- <SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
Modifies file system :
Creates the following files:
- %APPDATA%\lprjJlQBvkFvmzLtsgSt\lprjJlQBvkFvmzLtsgSt\1.0.1.1\kernel32.dll
- %APPDATA%\bot.exe
- %APPDATA%\data.dat
- %ALLUSERSPROFILE%\Application Data\kCDYZiHnRg\kCDYZiHnRg\0.0.0.0\EbQkaRfpYY.exe
- %ALLUSERSPROFILE%\Application Data\kCDYZiHnRg\kCDYZiHnRg\0.0.0.0\kernel32.dll
- %APPDATA%\lprjJlQBvkFvmzLtsgSt\lprjJlQBvkFvmzLtsgSt\1.0.1.1\EbQkaRfpYY.exe
Sets the 'hidden' attribute to the following files:
- %APPDATA%\lprjJlQBvkFvmzLtsgSt\lprjJlQBvkFvmzLtsgSt\1.0.1.1\EbQkaRfpYY.exe
- %APPDATA%\lprjJlQBvkFvmzLtsgSt\lprjJlQBvkFvmzLtsgSt\1.0.1.1\kernel32.dll
- %ALLUSERSPROFILE%\Application Data\kCDYZiHnRg\kCDYZiHnRg\0.0.0.0\EbQkaRfpYY.exe
- %ALLUSERSPROFILE%\Application Data\kCDYZiHnRg\kCDYZiHnRg\0.0.0.0\kernel32.dll
Network activity:
Connects to:
- 'bs###.no-ip.org':3080
UDP:
- DNS ASK bs###.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
