BEC fraud is rife in Nigeria, home of the infamous 419 email scam, where the prince is still looking for someone to help move his wealth out of the country. High-tech was the most targeted industry, with over 120,000 attacks recorded last year, up from 46,000 in 2017. Remote access trojans are preferred malware type to accompany their raids. The FBI’s Internet Crime Complaint Center (IC3) developed a Recovery Asset Team to reduce losses caused by BEC scams, now there are more fraudsters.
Source: https://www.bleepingcomputer.com/news/security/nigerian-bec-scammers-shifting-to-rats-as-tool-of-choice/