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Home Web3

North Korea–Linked Hackers Use Deepfake Video Calls to Target Crypto Workers

Digital Pulse by Digital Pulse
January 27, 2026
in Web3
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North Korea–Linked Hackers Use Deepfake Video Calls to Target Crypto Workers
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In short

Attackers have used a pretend video name and a Zoom “audio repair” to ship macOS malware.
The tactic matches a beforehand documented intrusion technique tied to North Korea’s BlueNoroff, a Lazarus sub-group.
The incident comes as AI-driven impersonation scams pushed crypto losses to a report $17 billion in 2025.

North Korea-linked hackers proceed to make use of dwell video calls, together with AI-generated deepfakes, to trick crypto builders and staff into putting in malicious software program on their very own gadgets.

Within the newest occasion disclosed by BTC Prague co-founder Martin Kuchař, attackers used a compromised Telegram account and a staged video name to push malware disguised as a Zoom audio repair, he mentioned.

The “high-level hacking marketing campaign” seems to be “concentrating on Bitcoin and crypto customers,” Kuchař disclosed Thursday on X.



Attackers contact the sufferer and arrange a Zoom or Groups name, Kuchař defined. In the course of the name, they use an AI-generated video to seem as somebody the sufferer is aware of.

They then declare there’s an audio downside and ask the sufferer to put in a plugin or file to repair it. As soon as put in, the malware grants attackers full system entry, permitting them to steal Bitcoin, take over Telegram accounts, and use these accounts to focus on others.

It comes as AI-driven impersonation scams have pushed crypto-related losses to a report $17 billion in 2025, with attackers more and more utilizing deepfake video, voice cloning, and faux identities to deceive victims and achieve entry to funds, in keeping with information from blockchain analytics agency Chainalysis.

Comparable assaults

The assault, as described by Kuchař, carefully matches a method first documented by cybersecurity firm Huntress, which reported in July final yr that these attackers lure a goal crypto employee right into a staged Zoom name after preliminary contact on Telegram, usually utilizing a pretend assembly hyperlink hosted on a spoofed Zoom area.

In the course of the name, the attackers would declare there’s an audio downside and instruct the sufferer to put in what seems to be a Zoom-related repair, which is definitely a malicious AppleScript that initiates a multi-stage macOS an infection, in keeping with Huntress.

As soon as executed, the script disables shell historical past, checks for or installs Rosetta 2 (a translation layer) on Apple Silicon gadgets, and repeatedly prompts the consumer for his or her system password to achieve elevated privileges.

The examine discovered that malware chain installs a number of payloads, together with persistent backdoors, keylogging and clipboard instruments, and crypto pockets stealers, the same sequence Kuchař pointed to when he disclosed on Monday that his Telegram account was compromised and later used to focus on others in the identical method.

Social patterns

Safety researchers at Huntress have attributed the intrusion with excessive confidence to a North Korea-linked superior persistent risk tracked as TA444, often known as BlueNoroff and by a number of different aliases working below the umbrella time period Lazarus Group, a state-sponsored group targeted on cryptocurrency theft since at the least 2017.

When requested in regards to the operational objectives of those campaigns and whether or not they assume there’s a correlation, Shān Zhang, chief data safety officer at blockchain safety agency Slowmist, instructed Decrypt that the newest assault on Kuchař is “presumably” related to broader campaigns from the Lazarus Group.

“No single indicator is decisive by itself; it’s the mix that issues,” Zhang mentioned.”Deepfake-enabled lures usually depend on new or disposable assembly accounts and look-alike Zoom or Groups hyperlinks, and the decision shortly turns into extremely scripted.”Attackers “create urgency and push the goal” to put in the so-called “Zoom/Groups repair” early within the dialog, he defined.

“There may be clear reuse throughout campaigns. We persistently see concentrating on of particular wallets and the usage of very comparable set up scripts,” David Liberman, co-creator of decentralized AI compute community Gonka, instructed Decrypt.

Pictures and video “can now not be handled as dependable proof of authenticity,” Liberman mentioned, including that digital content material “ought to be cryptographically signed by its creator, and such signatures ought to require multi-factor authorization.”

Narratives, in contexts resembling this, have turn into “an essential sign to trace and detect,” given how these assaults “depend on acquainted social patterns,” he mentioned.

North Korea’s Lazarus Group is tied to campaigns in opposition to crypto corporations, staff, and builders, utilizing tailor-made malware and complicated social engineering to steal digital belongings and entry credentials.

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Tags: CallsCryptodeepfakeHackersKorealinkedNorthTargetvideoWorkers
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