The Lazarus Group, a notorious hacking collective linked to North Korea, is suspected to have orchestrated a significant $30 million hack on South Korea’s largest cryptocurrency exchange, Upbit. This breach has raised critical concerns within the crypto community about the ongoing security threats posed by such sophisticated cybercriminals.
Lazarus Group Suspected in Upbit Hack
On Thursday, Upbit announced the detection of abnormal withdrawals involving Solana-based crypto assets, prompting an immediate suspension of deposit and withdrawal services. Initial reports indicated a loss of roughly 54 billion won ($36.8 million), but this was later revised to approximately 44.5 billion won ($30.4 million).
Authorities, citing anonymous government and industry sources, are increasingly confident that the Lazarus Group was behind this security breach. The methods employed in this attack bear a striking resemblance to the techniques used in a previous 2019 theft, which further raises suspicions about Lazarus’ involvement.
Attack Methods and Investigation
Unlike direct server attacks, the hackers are believed to have compromised administrator accounts or impersonated administrators to authorize the fraudulent transfers. This sophisticated approach has complicated the investigation, but authorities are preparing an on-site inspection of Upbit to gather further evidence.
Blockchain analysis provider Dethective has revealed that onchain data shows a wallet associated with the hack swapping Solana for USDC and bridging funds to Ethereum. This movement of funds is being closely monitored as the investigation continues.
Historical Context and Implications
The Lazarus Group’s previous involvement in a 342,000 ETH hack from Upbit in November 2019 adds a historical context to their alleged participation in this recent breach. South Korean police have concluded that Lazarus was indeed responsible for that attack, intensifying scrutiny on their operations.
This incident underscores the persistent threat posed by organized cybercrime groups in the cryptocurrency space. It highlights the urgent need for enhanced security measures and robust regulatory frameworks to protect digital assets and investor confidence.
Corporate Developments and Future Outlook
Amidst these security challenges, Naver Financial has confirmed its merger with Dunamu, the company behind Upbit. This strategic move aims to secure future growth momentum based on digital assets. As a wholly-owned subsidiary, Dunamu will integrate with Naver Financial to bolster its digital infrastructure and security protocols.
As the investigation unfolds, the cryptocurrency community remains vigilant, understanding the critical importance of securing exchanges against such formidable adversaries as the Lazarus Group.





