Sims 4:0xBA856C78

All files share the same header:

 DWORD magic // 'DXT5'
 DWORD format? // 'RLES'
 DWORD unknown // Always 0x00020004 (could be flags? or 2 WORDs)
 DWORD unknown // Always 0x0B000000 (=11 in decimal)
 DWORD unknown2 // Always 0x18010000 (=280 in decimal)

 DWORD count?