North Korean charged in crippling Sony hack, WannaCry virus

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FILE - In this Dec. 17, 2014, file photo, a poster for the movie "The Interview" is carried away by a worker after being pulled from a display case at a Carmike Cinemas movie theater in Atlanta. A computer programmer working for the North Korean government was charged with devastating cyberattacks that hacked Sony Pictures Entertainment and unleashed the WannaCry ransomware virus that infected computers in 150 countries and crippled parts of the British health care system, federal prosecutors said Thursday, Sept. 6, 2018. U.S. officials believe the Sony hack was retribution for "The Interview," a comedy starring Seth Rogen and James Franco in a plot to assassinate North Korea's leader, Kim Jong Un. (AP Photo/David Goldman, File)

A computer programmer working for the North Korean government was charged with devastating cyberattacks that hacked Sony Pictures Entertainment and unleashed the WannaCry ransomware virus that infected computers in 150 countries and crippled parts of the British health care system, federal prosecutors said Thursday.

Park Jin Hyok, who is believed to be in North Korea, conspired to conduct a series of attacks that also stole $81 million from a bank in Bangladesh, according to charges unsealed in Los Angeles federal court following years of investigation. The U.S. believes he was working for a North Korean-sponsored hacking organization.

The U.S. government previously said North Korea was responsible for the 2014 Sony hack that led to the release of a trove of sensitive personal information about employees, including Social Security numbers, financial records, salary information, as well as embarrassing emails among top executives. The hack included four yet-to-be released Sony films, among them "Annie," and one that was in theaters, the Brad Pitt film "Fury," and cost the company tens of millions of dollars.

The FBI had long suspected North Korea was also behind last year's WannaCry cyberattack, which used malware to scramble data on hundreds of thousands of computers at hospitals, factories, government agencies, banks and other businesses across the globe.

"The criminal conduct outlined in this case is intolerable," said Tracy Wilkison, the first assistant U.S. attorney in Los Angeles. "The North Korean-backed conspiracy attempted to crush freedom of speech in the U.S. and the U.K. It robbed banks around the world. And it created indiscriminate malware that paralyzed computers and disrupted the delivery of medical care."

The charges were filed under seal June 8, four days before President Donald Trump's historic meeting with North Korea's leader, Kim Jong Un, to discuss ending decades of hostility between the two countries. Prosecutors said the complaint was sealed for a variety of reasons and wasn't done to prevent derailing the Singapore talks.

"This has nothing to do with the summit and nothing to do with denuclearization," Wilkison said.

U.S. officials believe the Sony hack was retribution for "The Interview," a comedy starring Seth Rogen and James Franco in a plot to assassinate Kim. Sony canceled the theatrical release of the film amid threats to moviegoers. The company released it online through YouTube and other sites.

A Sony spokeswoman declined comment Thursday. Attempts by The Associated Press to reach the alleged hacker were not immediately successful. Two Gmail addresses identified in the FBI in the complaint were listed as disabled.

Among the emails released in the hack was an exchange in which Amy Pascal, then co-chairman of the studio, and "The Social Network" producer Scott Rudin joked about what might be then-President Barack Obama's favorite movies, listing "12 Years a Slave" and films by black comedian Kevin Hart.

The pair apologized. Pascal left her job months later.

In addition to targeting Sony, hackers sent spear-phishing emails to employees at AMC Theaters, which had planned to screen the movie, and to a British company producing a fictional television series about a scientist taken prisoner in North Korea, authorities said.

The hackers used the same aliases and accounts from the Sony attack when they sent spear-phishing emails to several U.S. defense contractors, including Lockheed Martin, and others in South Korea, officials said.

The criminal complaint says the hackers committed several attacks from 2014 into 2018, attempting to steal more than $1 billion from banks around the world. The investigation is continuing.

The hackers also targeted technology and virtual currency industries, as well as academia and electric utilities, authorities said.

"This case warrants attention whether you are an individual, a small business or a major corporation," FBI Special Agent Jennifer Boone said. "Terms you'll see in the complaint, such as watering holes and back doors, don't sound menacing, but in reality they describe malicious cyber techniques that wreak havoc on our computer systems and our lives."

Cybersecurity experts have said portions of the WannaCry program used the same code as malware previously distributed by the hacker collective known as the Lazarus Group, which is believed to be responsible for the Sony hack.

The complaint said Park was on a team of programmers employed an organization called Chosun Expo that operated out of Dalian, China, and that the FBI described as "a government front company."

A North Korea-registered website bearing that company's name described it as the country's "first internet company," established in 2002.

A 2015 version of the Chosun Expo website said it focused on gaming, gambling, e-payments and image recognition software. It looked in many ways like a typical tech company, boasting of its "pioneering" IT talent and customer satisfaction. By July 2016, internet archival records show, the company dropped the reference to North Korea from its home page. The site later vanished from the web.

Emails sent to Chosun Expo's generic email address and to the website's original registrant, whose name was given as Won Sun Chol, went unreturned.

It is the first time the Justice Department has brought criminal charges against a hacker said to be from North Korea. In recent years, the department has charged hackers from China, Iran and Russia in hopes of publicly shaming other countries for sponsoring cyberattacks on U.S. corporations.

In 2014, for instance, the Obama administration charged five Chinese military hackers with a series of digital break-ins at American companies. Last year, the Justice Department charged Russian hackers with an intrusion at Yahoo Inc.

The Treasury Department also added Park Jin Hyok's name to their sanction list, which prohibits banks that do business in the U.S. from providing accounts to him or Chosun Expo.

Park, whose age is not known, is charged with two counts alleging conspiracies to commit computer and wire fraud — crimes that could carry a prison term up to 25 years.

It's unlikely he will be extradited because the U.S. has no formal relations with North Korea.

The North Korean government was not notified about the charges, which are likely to be a source of irritation.

Diplomatic efforts have sputtered since the June summit, though Kim said through South Korean security officials Thursday that he still has faith Trump is committed to ending hostile relations.

Trump thanked Kim on Twitter and said, "We will get it done together!"

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Balsamo reported from Washington. Associated Press writers Eric Tucker in Washington and Raphael Satter in London contributed to this report.