This is real life, just happened in Brazil:
The Ministers for Social Development, Civil House and Secretary of the Government have reported to the police that their telephones have been cloned and that unknown people have requested bank deposits using their WhatsApp accounts.
The Minister for Social Development, confirmed that one of his contacts had made a deposit in the bank account used by the criminals.
Obviously, he has people in his WhatsApp who are used to depositing money for him...