LookBack looks to shutdown US Utilities

The U.S. utilities sector is starting to see higher levels of spearphishing attacks using “LookBack” malware. 

According to a security researcher, spear phishing email campaigns have been identified containing the malware initially targeting three major US utilities companies. The fraudulent emails impersonate a U.S.-based engineering licensing board, with emails originating from a threat actor-controlled domain.

The emails contain Microsoft Word attachments that use macros to install and run the LookBack malware. The malware specifically contains a remote access Trojan (RAT) module and a proxy mechanism used for command and control (C&C) communication. As soon as the attachment was opened, LookBack was initiated.

What to watch for:

Any email that contains attachments should receive hyper-vigilance and speculation. If you employ advanced email security, emails are scanned for malicious content and attachments but you shouldn’t leave that to chance. 

July’s LookBack attacks on U.S. utilities have not been associated with a known actor, and no infrastructure or code overlaps were identified.

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