The Rising Threat of QBot Trojan: What Businesses Need to Know

Yusuf Balogun
Yusuf Balogun
Yusuf is a law graduate and freelance journalist with a keen interest in tech reporting.

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Cyberattacks have grown to be a big issue for both businesses and individuals in recent years. These attacks, which range from ransomware attacks to data breaches, can have catastrophic repercussions and seriously harm both businesses and individuals. The dissemination of the QBot trojan through business correspondence is one of the most recent concerns affecting enterprises.

Early in April, Kaspersky researchers found a bulk emailing operation that sent emails with malicious PDF attachments. Companies are the target of attackers, who attach hazardous documents to business correspondence. The campaign’s goal is to spread the QBot malware, also known as QakBot, QuackBot, or Pinkslipbot, onto the computers of its victims.

What is QBot Trojan?

A sort of malware called the QBot trojan is made to steal private data from victims’ PCs. The most common method of spreading it is through phishing emails, which aim to deceive the receiver into opening a dangerous link or downloading a file containing the malware. The QBot trojan can steal private data like login credentials, banking information, and financial information once it has been installed on a victim’s computer.

Businesses need to be aware of the growing threat of the QBot Trojan spreading through business emails. It’s more probable that the recipient will read the email, click the link, or download the file when cybercriminals send emails that seem to be official business correspondence. If the email appears to be coming from a reputable source or provides information that the recipient is expecting, this may be very successful.

How QBot Trojan Attack Works 

The attack is based on techniques for conversation eavesdropping. Hackers obtain access to legitimate business communications (QBot, among other things, takes locally stored emails from the machines of previous victims) and enter the conversation, sending their messages as though they were continuing an earlier exchange. Their emails try to persuade recipients to open an attached PDF file by posing as an expense report or other business document that needs a quick response.

The PDF actually contains a fake notification from Microsoft Office 365 or Azure. The “Open” button on this notice is intended to be clicked by the target. If the victim does, a password-protected archive (with the password in the text of the “notification” itself) is downloaded onto the machine.

The Windows Script File inside the archive must then be launched by the receiver after it has been unzipped. This script is harmful and downloads the QBot Trojan from a remote site. On the Securelist website, you may get a more thorough technical description of every stage of the attack, along with signs of compromise.

QBot Trojan Attack Consequences

An attack using the QBot Trojan can have negative effects. Critical data and systems might become inaccessible to businesses, causing downtime and financial loss. Sensitive information theft can also cause identity theft, financial loss, and reputational harm to an organization.

QBot is categorized as a banking Trojan by Kaspersky experts recently. Attackers can steal communications, spy on banking activity, record keystrokes, and mine credentials (logins and passwords) and cookies from browsers. Other malware may also be installed by it.

Combating QBot Trojan

Businesses must take a proactive stance when it comes to cybersecurity to counter this danger. This entails putting in place robust security safeguards like firewalls and antivirus software and educating staff members on how to spot and prevent phishing emails. Additionally, companies should keep a close eye on their networks for indicators of a cyberattack, such as odd network activity or unauthorized access.

And all these can be achieved by installing a reliable cybersecurity solution on all corporate devices with internet access. Also helpful is equipping the mail gateway with a product capable of filtering malicious, phishing, and spam emails.

In the case of a cyberattack, organizations must have a plan in place. In addition to keeping backups of crucial data and systems in case they are compromised, this entails establishing a reaction team that is prepared to address the fallout from an attack. A thorough incident response strategy can assist firms in minimizing the harm brought on by a cyberattack and swiftly returning to normal operations.

Hence, business owners and people must be aware of the threat posed by the QBot trojan and other forms of malware in addition to taking these precautions. This entails using caution while downloading files from unidentified sites and opening emails, as well as updating operating systems and antivirus software.

Last Line

Ultimately, the QBot trojan’s spread via business correspondence serves as a reminder of the significance of cybersecurity in today’s digital world. Businesses and people alike need to take proactive measures to defend themselves from these hazards as cyberattacks become more sophisticated and common.

Businesses can lower their risk and lessen the harm caused by these attacks by putting robust security measures in place, educating personnel, and having a plan in place for responding to them.

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