New BLISTER Malware Update Fuelling Stealthy Network Infiltration

An up-to-date version of a malware loader recognized as BLISTER is staying utilized as part of SocGholish an infection chains to distribute an open up-source command-and-control (C2) framework referred to as Mythic.

“New BLISTER update includes keying characteristic that lets for specific focusing on of victim networks and lowers publicity in just VM/sandbox environments,” Elastic Security Labs researchers Salim Bitam and Daniel Stepanic reported in a specialized report revealed late final month.

BLISTER was first uncovered by the enterprise in December 2021 acting as a conduit to distribute Cobalt Strike and BitRAT payloads on compromised techniques.

The use of the malware along with SocGholish (aka FakeUpdates), a JavaScript-primarily based downloader malware, to produce Mythic was beforehand disclosed by Palo Alto Networks Device 42 in July 2023.

In these attacks, BLISTER is embedded inside a legit VLC Media Participant library in an try to get all around security software package and infiltrate target environments.

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Equally SocGholish and BLISTER have been utilized in tandem as aspect of a number of strategies, with the latter used as a second-phase loader to distribute Cobalt Strike and LockBit ransomware, as evidenced by Red Canary and Trend Micro in early 2022.

A closer investigation of the malware shows that it is really staying actively taken care of, with the malware authors incorporating a slew of strategies to fly beneath the radar and complicate analysis.

“BLISTER is a loader that carries on to keep underneath the radar, actively currently being used to load a variety of malware including clipbankers, facts stealers, trojans, ransomware, and shellcode,” Elastic observed in April 2023.

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Some parts of this article are sourced from:
thehackernews.com