North Korean-linked actors had been behind the theft of $100 million via the hack of a crypto product final yr, the Federal Bureau of Investigation mentioned.

The FBI mentioned it was “capable of affirm” that Lazarus Group and APT38, two hacking teams linked to Pyongyang, had been answerable for the assault on the so-called Horizon bridge in 2022.

Merchants use a bridge to swap cryptocurrencies between completely different blockchain networks.

The FBI additionally mentioned that the North Korean cyber actors this month used the Railgun system to launder over $60 million value of the token ether stolen throughout the June 2022 heist. Railgun is a system designed to assist protect the anonymity of individuals shifting cryptocurrency.

A portion of the stolen ether was despatched to a number of digital asset service suppliers and transformed to bitcoin, the FBI mentioned.

On the time of the hack, blockchain analytics agency Elliptic mentioned that there have been “robust indications” that Lazarus was behind the assault. Virtually instantly, the hackers had been making an attempt to maneuver the funds round via means to obfuscate their id.

The FBI mentioned it continues “to establish and disrupt North Korea’s theft and laundering of digital forex, which is used to help North Korea’s ballistic missile and Weapons of Mass Destruction packages.”

North Korean-linked attackers have been pinned to different crypto hacks.

Final yr, the U.S. Treasury Division blamed Lazarus for a $600 million heist on Ronin Community, a so-called “sidechain” for widespread crypto recreation Axie Infinity.

– CNBC’s Ryan Browne contributed to this report