Cybercrime underground is a growing and prolific industry that knows no crisis as demonstrated by the numerous reports issued by principal security companies and law enforcement.
In the past we have analyzed criminal most prolific criminal underground, Russian, Chinese and Brazilian communities have been dissected by the experts at Trend Micro that provided detailed information on the criminal activities in these ecosystems and the offer of the principal criminal rings.
Now Researchers at Trend Micro’s Forward Looking Threat Research team have issued a new report titled “The Japanese Underground,” on the Japan’s Cybercrime Underground, a criminal online community that is growing in a significant way despite it has a still highly stealthy underground economy.
According to the Japan’s National Police Agency cybercriminal activities until March 2015 increased 40% over the previous year. On June 2015, the Japan’s Pension Service suffered a significant data breach that exposed more than one million users’ records.
We have discovered that Russian underground is specialized in hacking and payment card frauds, the Chinese cybercrime underground is specialized in mobile frauds meanwhile the Brazilian underground is more focused on Banking malware.
What about the Japan’s Cybercrime Underground?
The researchers consider Japan cybercriminal rings still newbies, due to the nation’s strict criminal laws Japanese criminals don’t write malware due to due to the severe penalties against such activities.
The experts noticed that Japanese Cybercrime Underground is very active in the illegal buying and selling of counterfeit passports, drugs, weapons, stolen credit card data, phone number databases, hacking advice and child pornography. For example, a US passport, which is normally offered for $5,000-$6,000 on other black markets, can be acquired on the Japanese market for just $1,000.
Despite the victims of the Japanese cyber criminals are mainly located in the country, the increasing interest in DDoS tools/services and ransomware would indicate that the actors are looking beyond national borders to expand their gains.
Japanese players in the criminal underground exploit secured bulletin boards, virtual PO boxes and secret jargon. The principal payment methods are Amazon gift cards and Sony PlayStation Store codes. In one case the experts discovered a Japanese BBS called Tor 2 Channel displaying in homepage a warning that it had been seized by the FBI, Europol, and the US Department of Homeland Security Immigration and Customs Enforcement. In reality, the BBS is active and users can access it by clicking on one of the national flag icons on that page.
“They’re building a greater foundation for gilded thieves in Japan,” says Tom Kellermann, chief cybersecurity officer for Trend Micro. “These cybercrime forums operate under heavier security than do many of their counterparts in other nations, he says. “Other [nations’ cybercriminals] are starting to retrofit operational security. You’re seeing them [Japanese cybercriminals] build it from the ground up,””Their number one focus is stealth, remaining covert in their operations and obfuscating their activities.”
In 2014, online bank frauds account for $24 million in losses, meanwhile the overall cost of online fraud to Japanese banks was $13 million in the first half of this year.
According to Trend Micro, the Japanes banks are a privileged target for cyber criminals, numerous banking malware hit the customers of Japanese financial institutions last year. The last in order of time is Shifu, a new sophisticated malware that has been used to target the customers of more than a dozen Japanese banks.
In the following image are reported selling prices for the Japanese criminal underground and the selling prices for the same products in the other criminal communities.
A stolen Japanese credit card verified by Visa is offered for $60, much more than UK and US cards which cost only $7-8. Prices for PayPal credentials is quite the same in other countries, approximately $1-2 per record.
Japan was one of the countries that suffered the greatest number of attacks based on the Angler exploit kit. On September 2015, 3,000 High-Profile Japanese websites were hit by a Massive Malvertising Campaign.
Threat actors mainly use watering hole attacks to infect victims’ machines.
What about the future?
The experts have no doubts, bad actors in the Japan’s criminal underground will start the development of their own malware.
“There’s far too much talent” for them to not create their own tools, said Kellermann. “This is in line with the cultural manifestation of a lot of people in a society disaffected with the government.”
(Security Affairs – Japanese criminal underground, malware)
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