- Kaspersky warns of a WhatsApp phishing campaign spreading malicious VBScript files disguised as business documents
- Running them installs ManageEngine Endpoint Central, giving attackers remote access; filenames localized boosted global reach
- Victims span Brazil, India, Mexico, Singapore, UK, Spain, Taiwan, Australia, Russia, Vietnam, and Malaysia; compromise method remains unknown
WhatsApp users beware - there is a phishing campaign ongoing on the platform, seeking to infect your devices with a legitimate, but unsolicited endpoint security platform.
Security researchers Kaspersky recently published a new report detailing a campaign that starts with a compromised WhatsApp account. They could not determine how these accounts got breached but found that they were being used to reach out to the victims’ contacts and share a VBScript file masquerading as business or financial documents.
People who don’t find it strange that their contacts are suddenly sharing business documents, and end up running them, will get ManageEngine’s Endpoint Central, a unified endpoint management (UEM) and endpoint security platform built to help IT teams manage a fleet of desktops, laptops, servers, mobile devices, and other endpoints, all from a single console.
Two scripts, one malware
In this case, however, they wouldn’t be managing anything - they would just be granting remote system access to the attackers. Kaspersky says that the campaign is rather widespread, with victims located across Brazil, India, Mexico, Singapore, the UK, Spain, Taiwan, Australia, Russia, Vietnam, and Malaysia.
One of the reasons the campaign was so successful on an international level is because the filenames are localized in multiple languages, Kaspersky added.
“Based on evidence collected from multiple victims through social media reports and submitted samples, we can conclude that the threat actor had gained access to several WhatsApp accounts and used them to distribute the malicious VBScript files to contacts on the compromised users’ contact lists,” Kaspersky’s researchers said.
“At the time of writing, the exact method used to compromise these WhatsApp accounts remains unknown.”
Downloading and running the malicious files on Windows result in the deployment of two scripts that first disable UAC protections and then deploy the UEM. Kaspersky also stressed that when users open WhatsApp on the web, they must first download the files, but when they open the desktop client, the files can be executed directly via Windows Script Host.
Via BleepingComputer
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