It came with G900MUBU1ANCA/G900MUUB1ANCA/G900MUBU1ANCA/G900MUBU1ANCA.
Kies gave me G900MUBU1ANCE/G900MUUB1ANCE/G900MUBU1ANCE/G900MUBU1ANCE
The file encrypted is SM-G900M_TTT_1_20140401161530_5yppwuwlms.zip.enc2 and un encrypted and extracted is G900MUBU1ANCE_G900MUUB1ANCE_G900MUBU1ANCE_HOME.tar .md5.
I didnt do the update yet - still poking around to decide if I want to do it.
At the very least I may flash the system image and leave modem and bl the way they are at NCA.