Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\ycztysar] 'Start' = '00000002'
- [<HKLM>\SYSTEM\ControlSet001\Services\ycztysar] 'ImagePath' = '<SYSTEM32>\ycztysar\nkdswuwc.exe'
Malicious functions:
Injects code into
the following system processes:
- <SYSTEM32>\svchost.exe
Modifies file system:
Creates the following files:
- %TEMP%\nkdswuwc.exe
- %TEMP%\0858.bat
Deletes the following files:
- <Full path to file>
Moves the following files:
- from %TEMP%\nkdswuwc.exe to <SYSTEM32>\ycztysar\nkdswuwc.exe
Network activity:
Connects to:
- '10#.#48.137.133':465
Miscellaneous:
Creates and executes the following:
- '<SYSTEM32>\ycztysar\nkdswuwc.exe'
Executes the following:
- '<SYSTEM32>\cmd.exe' /C mkdir <SYSTEM32>\ycztysar\
- '<SYSTEM32>\cmd.exe' /C move /Y "%TEMP%\nkdswuwc.exe" <SYSTEM32>\ycztysar\
- '<SYSTEM32>\sc.exe' create ycztysar binPath= "<SYSTEM32>\ycztysar\nkdswuwc.exe" type= own start= auto DisplayName= "P2P Support"
- '<SYSTEM32>\sc.exe' description ycztysar "Internet Mobile Support"
- '<SYSTEM32>\sc.exe' start ycztysar
- '<SYSTEM32>\cmd.exe' /c ""%TEMP%\0858.bat" "
- '<SYSTEM32>\ping.exe' 127.0.0.1
- '<SYSTEM32>\svchost.exe'
