Exobot Trojan Source Code Sold

The author of the Exobot Android trojan has ceased operations and sold the malware's source code online to a number of buyers. This has lead to new instances of it being used in attacks, and raises the possibility of new capabilities being added.

Threat ID:: CC-1969
Category:: Trojan
Threat Severity:: Low
Threat Vector:: Drive by download, Email spam
Published:: 25 January 2018 12:00 AM

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

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Summary

Affected platforms

The following platforms are known to be affected:

Android

Google Android - All versions

Threat details

Exobot was first observed in 2016 operating as a malware-as-a-service (MaaS) scheme, with users renting the trojan from it's creator. It is delivered disguised either as a legitimate application or as a download from a website.

Once installed on a device, Exobot attempts to steal financial credentials such as banking logins, and will perform browser injection attacks on banking websites.

Threat updates

Date	Update
24 Jul 2018	Threat updates Exobot's source code was leaked in May 2018 at which point other malware authors began to integrate it or portions of its code into their own malware. It is highly likely that these malware are now using Exobot's infection chain in order top infect devices running the newest versions of Android.

Remediation advice

To prevent and detect a trojan infection, ensure that:

Remediation steps

Type	Step
	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, antivirus and other security products are kept up to date. All day to day computer activities such as email and internet are performed using non-administrative accounts. Strong password policies are in place and password reuse is discouraged. Network, proxy and firewall logs should be monitored for suspicious activity. User accounts accessed from infected machines should be reset on a clean computer.

Type

Step

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, antivirus and other security products are kept up to date.
All day to day computer activities such as email and internet are performed using non-administrative accounts.
Strong password policies are in place and password reuse is discouraged.
Network, proxy and firewall logs should be monitored for suspicious activity.
User accounts accessed from infected machines should be reset on a clean computer.

Last edited: 9 October 2020 1:46 pm