The attacker submitted multiple cryptocurrency transfer requests to his own ... After that, he transferred the coins to another cryptocurrency operator, ...
source https://www.google.com/url?rct=j&sa=t&url=https://cointelegraph.com/news/japan-hacker-involved-in-15-mln-yen-crypto-theft-referred-to-prosecutors&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNG0bpqZMGsOE8mWXg5qGMDM5JXGPQ