GlitchPOS – Hackers Selling a New POS Malware On Dark Web Forums

Threat actors selling a new POS malware dubbed GlitchPOS aimed in exfiltrating the credit card numbers from Point-of-sale devices and retailers’ websites. Most of the POS devices running with Windows or Unix, GlitchPOS malware targets the windows variants.

Security researchers from Talos discovered the distribution of the new PoS malware that hackers selling in the dark web forums and it’s associated payloads, infrastructure and control panel.

The malware packer developed in visual basic, disguised as a fake game, the packer adds protection to the malware, it decodes to a library that packed with UPX packer(ultimate packer for eXecutables). Once the UPK packer decodes then the final malware “GlitchPOS” which is a memory grabber that developed in VisualBasic.

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Following are the Payload Functions

• Register the infected systems
• Receive tasks (command execution in memory or on disk)
• Exfiltrate credit card numbers from the memory of the infected system
• Update the exclusion list of scanned processes
• Update the “encryption” key
• Update the User Agent
• Clean itself

Once the malware gets deployed in the system it connects with the C2 server to receive commands from the attackers via a shellcode and the communication is encrypted by XORed. The intended purpose of the malware is to steal the credit card numbers from the memory of the infected system.

Threat actors posted additional screenshots to boost the sale of the malware that includes clients list and the card’s date. The built malware is sold for $80, the builder $600 and gate address change for $80.

Researchers believe there is a similarity between GlitchPOS and DiamondFox L!NK botnet, they also spotted the same malware available after 25 days in the alternative forum with higher prices.

“The sale opened a few weeks ago, so we don’t know yet how many people bought it or use it. We also see that bad guys steal the work of each other and try to sell malware developed by other developers at a higher price.”

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