Dridex Banking Trojan Has Returned

Dridex has become active again. Now it has returned with a new phishing campaign posing as QuickBook invoice. This campaign started on April 19, and has been targeting users of accounting software to be able to infect their systems.

What has happened?

Bitdefender Antispam Lab detected recent attacks where the attackers launched a malspam campaign, targeting QuickBook users with fake invoice and notification of payment.

  • QuickBook users all around the world were targeted in this and emails containing malicious files were delivered to US, Germany, South Korea, and India.
  • The spoofed emails forged the header of QuickBook to look legitimate. The senders played with the names of the senders to avoid detection.
  • To evade the anti-spam mechanism and anti-phishing mechanism, the attackers created a custom mail body.

Recent such activities of Dridex-

The main target of this malware is to collect banking information of the victims.

  • A recent campaign was detected where spam mails were sent impersonating as IRS and delivered to Dridex.
  •  Dridex-related network attacks showed increased activity and they were fuelled by Cutwail botnet.


The mails received as invoice of QuickBook can cause some real security threats. The companies should realize this and keep the security of the organization up-to-date.

By Hrithik Lall

IEMLabs is an ISO 27001:2013 and ISO 9001:2015 certified company, we are also a proud member of EC Council, NASSCOM, Data Security Council of India (DSCI), Indian Chamber of Commerce (ICC), U.S. Chamber of Commerce, and Confederation of Indian Industry (CII). The company was established in 2016 with a vision in mind to provide Cyber Security to the digital world and make them Hack Proof. The question is why are we suddenly talking about Cyber Security and all this stuff? With the development of technology, more and more companies are shifting their business to Digital World which is resulting in the increase in Cyber Crimes.

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