There are 10 bridges through multichain sent in 5 distinct hours but only 7 of them have a significant Volume of $WBTC with the rest being bridges of (0.02 and 0.1 WBTC) these are:

Bridge 0x292c6651b35de36e4dfd4e5d0b774a759d01160f18bbfe049a0221954ce2a3b1 Where 20 $WBTC was sent to 0x88340ff2292506d0d93934cbbfea5ed1804cda0d in Arbitrum.
Bridge 0xad9664c3324e773db43009e35e10d57e1eb81931489398448456b0012559f6c9 Where 20 $WBTC was sent to 0x8c0ecd7bacced114729f8269b459e0a4d5e95c3b in Binance Smart Chain.
Bridge 0x8a3fa06fc6771568c84877f32492e72133429b8ad9365d1e335df6a0fa419001 Where 30 $WBTC was sent to 0x8c0ecd7bacced114729f8269b459e0a4d5e95c3b again.
Bridge 0x286448ec5e25ab11fae265ab85768ce5bf8a09d26697bd5b2d68212170a837ec Where 10 $WBTC was sent to 0xb74c5e41e748babc32ce33813549e2503cdab762 in Binance Smart Chain.
Bridge 0x17908027c3a556638691dc6b84d21e414c565cc704682fcbf3946f863c0dfe9f Where 30 $WBTC was sent to 0xb74c5e41e748babc32ce33813549e2503cdab762 in Binance Smart Chain.
Bridge 0xc953664729bc0c1b86017acd2827e991ee32fd627418c2f379a11e8ce74fe75e Where 15 $WBTC was sent to 0xc2ae8d3b0fb159ccd331a01a8c3632b95db23cf5 in Binance Smart Chain.
Bridge 0x8bbef8ab1471d2caba0b9fe3b122380dccb030a5237822587947557536bfcc4f Where 16.65 $WBTC was sent to 0xc2ae8d3b0fb159ccd331a01a8c3632b95db23cf5.in Binance Smart Chain.

In total the Addresses that received the Heist Are:

Arbitrum
1. 0x88340ff2292506d0d93934cbbfea5ed1804cda0d Holding 20.01 $WBTC.
Binance Smart Chain
1. 0x8c0ecd7bacced114729f8269b459e0a4d5e95c3b Holding 50.009 $BTCB
2. 0xb74c5e41e748babc32ce33813549e2503cdab762 Holding 39.92 $BTCB
3. 0xc2ae8d3b0fb159ccd331a01a8c3632b95db23cf5 Holding 31.744 $BTCB

It seems that neither of these wallets had made a move at the moment.

Koko Finance Scam