Smash-and-Grab: AstraLocker 2.0 Pushes Ransomware Direct from Office Docs

ReversingLabs recently discovered instances of the AstraLocker 2.0 malware distributed directly from Microsoft Word files used in phishing attacks. 

The “smash and grab” attack methodology as well as other features suggest the attacker behind this malware is low-skill and looking to cause disruption, compared with the more patient, methodical, and measured approach to compromises used by Babuk and other, more sophisticated ransomware outfits. This underscores the risk posed to organizations following code leaks like that affecting Babuk, as a large population of low-skill, high-motivation actors leverage the leaked code for use in their own attacks.

Babuk first appeared in early 2021 and was linked to a string of high-profile attacks, including a ransomware attack and data leak targeting Washington D.C.’s Metro Police Department in April, 2021. By September of 2021, the Babuk group became a target itself, when the Babuk source code was stolen and leaked to a Russian hacking forum.

The AstraLocker malware also appeared in 2021, concurrent with Babuk. AstraLocker 2.0 was first seen in March 2022.

Reference

https://blog.reversinglabs.com/blog/smash-and-grab-astralocker-2-pushes-ransomware-direct-from-office-docs

Smash-and-Grab: AstraLocker 2.0 Pushes Ransomware Direct from Office Docs
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