ENOfficial
`Abdallah b. Mas'ud reported God's messenger as saying, "The last hour will come only when people are wicked." Muslim transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَنْ عَبْدِ اللَّهِ بْنِ مَسْعُودٍ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «لَا تَقُومُ السَّاعَةُ إِلَّا عَلَى شِرَارِ الْخَلْقِ» . رَوَاهُ مُسلم
sunnah.com