This is from an Indian blog:
Just got off the phone with BrahMos CEO Dr A Sivathanu Pillai, delighted with the 11.30AM test of the Naval BrahMos supersonic cruise missile in a vertical launch from the Indian Navy destroyer INS Ranvir.
Dr Pillai reveals the test was specifically aimed at testing the missile's accuracy when its flight path was infused with "diversionary manoueuvers" to mask the general direction of the launcher warship. The missile, vertically launched from a Vertical Launcher built for the BrahMos, was rolled in all directions successfully before before it smashed into the hull of INS Meen a decommissioned target vessel. Photos of actual launch will be posted shortly. Stay tuned. "
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The bold part and the underline part to me suggest that the maneuvering is before it comes into the attacking phase as its aim is to hide the location of the launching ship. So
my guess is when it is fired, then it does the maneuvering phase, once done, it goes in a straight path towards its target. No "S" kind of maneuvering phase at the end of the attack profile.