Kim Kardashian's been making some ch-ch-changes in her life since her Paris attack two weeks ago at the No Address Hotel -- namely the attention-loving star has basically gone into hiding. And it looks like that's not changing any time soon …

A source tells People the star “is still having a difficult time” after being held at gunpoint by five masked robbers. The insider added, “She has zero desire to resume her old life.”

The source made sure to say, “Kim is still figuring out what she wants to do ... She has no plans for any public appearances.”

We know that Kim must be taking things seriously, because she turns 36 on Friday and cancelled her previously-scheduled Vegas birthday bash so that she could do something very low-key with family.

Kim may have zero desire to resume her old life, but she better watch her back, Blac Chyna and Kylie Jenner are eagerly waiting in the wings to take over as queen bee of the Kardashian klan ...