Menu
ATM malware, controlled by a text message, spews cash

ATM malware, controlled by a text message, spews cash

The malware can cause a cash machine to start churning out bills

A group of enterprising cybercriminals have figured out how to get cash from a certain type of ATM -- by text message.

The latest development was spotted by security vendor Symantec, which has periodically written about a type of malicious software it calls "Ploutus" that first appeared in Mexico.

The malware is engineered to plunder a certain type of standalone ATM, which Symantec has not identified. The company obtained one of the ATMs to carry out a test of how Ploutus works, but it doesn't show a brand name.

Ploutus isn't the easiest piece of malware to install, as cybercriminals need to have access to the machine. That's probably why cybercriminals are targeting standalone ATMs, as it is easy to get access to all parts of the machine.

Early versions of Ploutus allowed it to be controlled via the numerical interface on an ATM or by an attached keyboard. But the latest version shows a remarkable new development: it is now controllable remotely via text message.

In this variation, the attackers manage to open up an ATM and attach a mobile phone, which acts as a controller, to a USB port inside the machine. The ATM also has to be infected with Ploutus.

"When the phone detects a new message under the required format, the mobile device will convert the message into a network packet and will forward it to the ATM through the USB cable," wrote Daniel Regalado, a Symantec malware analyst, in a blog post on Monday.

Ploutus has a network packet monitor that watches all traffic coming into the ATM, he wrote. When it detects a valid TCP or UDP packet from the phone, the module searches "for the number "5449610000583686 at a specific offset within the packet in order to process the whole package of data," he wrote.

It then reads the next 16 digits and uses that to generate a command line to control Ploutus.

So, why do this? Regalado wrote that it is more discrete and works nearly instantly. The past version of Ploutus required someone to either use a keyboard or enter a sequences of digits into the ATM keypad to fire up Ploutus. Both of those methods increase the amount of time someone spends in front of the machine, increasing the risk of detection.

Now, the ATM can be remotely triggered to dispense cash, allowing a "money mule," or someone hired to do the risky job of stopping by to pick up the cash, to swiftly grab their gains. It also deprives the money mule of information that could allow them to skim some cash off the top, Regalado wrote.

"The master criminal knows exactly how much the money mule will be getting," he wrote.

Symantec warned that about 95 percent of ATMs are still running Windows XP, Microsoft's 13-year-old OS. Microsoft is ending regular support for Windows XP on April 8, but is offering extended support for Windows XP embedded systems, used for point-of-sale devices and ATMs, through January 2016.

Still, Symantec warned that "the banking industry is facing a serious risk of cyberattacks aimed at their ATM fleet."

Send news tips and comments to jeremy_kirk@idg.com. Follow me on Twitter: @jeremy_kirk

Follow Us

Join the New Zealand Reseller News newsletter!

Error: Please check your email address.

Tags symantecsecuritymalwarefraud

Slideshows

Top 50 defining moments of the New Zealand channel in 2016

Top 50 defining moments of the New Zealand channel in 2016

Reseller News looks back on a tumultuous 12 months for the New Zealand channel, assessing the fallout from a year of sizeable industry change. Whether it be local or global mergers and acquisitions, distribution deals or job changes, the channel that started the year differs somewhat to the one set to finish it - Reseller News assesses the key moments that made 2016.​

Top 50 defining moments of the New Zealand channel in 2016
​Hewlett Packard Enterprise honours high achieving NZ channel

​Hewlett Packard Enterprise honours high achieving NZ channel

Hewlett Packard Enterprise honoured its top performing Kiwi partners at the second running of its HPE Partner Awards in New Zealand, held at a glitzy ceremony in Auckland. Recognising excellence across eight categories - from distributors to resellers - the tech giant celebrated its first year as a standalone company, following its official split from HP in 2015.

​Hewlett Packard Enterprise honours high achieving NZ channel
Nutanix treats channel partners to Christmas cruise

Nutanix treats channel partners to Christmas cruise

Nutanix recently took to the seas for a Christmas Cruise around Sydney Harbour with its Australia and New Zealand staff, customers and partners to celebrate a stellar year for the vendor. With the sun out, they were all smiles and mingled over drinks and food.

Nutanix treats channel partners to Christmas cruise
Show Comments