Vidar Information Stealing Trojan

First observed in January 2019, Vidar is an information stealing trojan based on the Arkei malware. It is available for purchase on several dark web forums and can be operated on an as-a-service basis.

Threat ID:: CC-2864
Category:
Threat Severity:: Medium
Threat Vector:: Exploit kit
Published:: 8 January 2019 12:00 AM

Report a cyber attack: call 0300 303 5222 or email [email protected]

Summary

Affected platforms

The following platforms are known to be affected:

Microsoft Windows

Microsoft Windows - All versions

Threat details

At the time of publication, Vidar appears to be delivered solely by the Fallout and GrandSoft exploit kits, although this is likely to change as more affiliate users begin to distribute Vidar in their own campaigns.

Once installed, Vidar can collect a wide variety of data, including:

User and system information
Banking credentials and payment card details
Application login details
Browser histories, including the Tor browser
Cryptocurrency wallet keys
Email and message conversations

Affiliate users can customise the types and amount of data Vidar collects through a web portal. Collected information is sent to a command and control server via unencrypted HTTP POST requests.

Remediation steps

Type	Step
	To prevent and detect a trojan infection, ensure that: A robust program of education and awareness training is delivered to users to ensure they don’t open attachments or follow links within unsolicited emails. All operating systems, anti-virus and other security products are kept up-to-date. Regular anti-virus and security scans are performed on your organisation’s estate. All day-to-day computer activities such as email and internet are performed using non-administrative accounts. Strong password policies are in place. Network, proxy and firewall logs should be monitored for suspicious activity. User accounts accessed from affected devices should be reset on a clean computer. Your organisation adopts a holistic all-round approach to Cyber Security as advocated by the 10 Steps to Cyber Security.

Type

Step

To prevent and detect a trojan infection, ensure that:

A robust program of education and awareness training is delivered to users to ensure they don’t open attachments or follow links within unsolicited emails.
All operating systems, anti-virus and other security products are kept up-to-date.
Regular anti-virus and security scans are performed on your organisation’s estate.
All day-to-day computer activities such as email and internet are performed using non-administrative accounts.
Strong password policies are in place.
Network, proxy and firewall logs should be monitored for suspicious activity.
User accounts accessed from affected devices should be reset on a clean computer.
Your organisation adopts a holistic all-round approach to Cyber Security as advocated by the 10 Steps to Cyber Security.

Last edited: 14 February 2020 2:50 pm