Hackers Transfer 3700 ETH with 10K ETH Still in Wallet

According to @MistTrack_io, hackers have transferred 3700 ETH within a few hours, but their original address still holds over 10,000 ETH. The address in question is 0x58d3b2fd2ce20a7149244d7e34d18b9b55448e7a.
SourceMistTrack
@MistTrack_ioMistTrack is a crypto tracking and compliance platform for everyone, built by SlowMist ( SlowMist is a Blockchain security firm established in 2018, providing services such as security audits, security consultants, red teaming, and more.)