Even if the malware was unable to access any cryptocurrency, it will install software on the Mac which will mine more cryptocurrency.
source https://www.google.com/url?rct=j&sa=t&url=https://www.macworld.co.uk/news/mac-software/cookieminer-cryptocurrency-3691489/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNEQr7aphYDlkmixKORT4n32LfBRfA
