PsiXBot Malware

PsiXBot is a modular malware written in .NET which has recently undergone significant development. This has led to an increase in large scale distributions of the malware via spam campaigns or as part of other malware campaigns.

Threat ID:: CC-3005
Category:: Trojan
Threat Severity:: Medium
Threat Vector:: Download, Email spam
Published:: 4 April 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

Once executed the malware connects to the configured command and control (C2) servers before requesting further instructions. The DNS servers used to resolve the C2 addresses are hard coded into the malware in order to resolve the non-standard .bit domains.

At present the following functionality has been observed:

Dumping passwords and cookies from a variety of browsers
Redirecting cryptocurrency to a configured wallet address
Key logging
Deploying Quasar remote access trojan
Installing a remote desktop program
Dumping Outlook passwords
Creating a scheduled task for persistence

Remediation steps

Type	Step
	To prevent and detect an 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 an 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 2:42 pm