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macOS FlexibleFerret | Further Variants of DPRK Malware Family Unearthed

Feb. 4, 2025, 9:44 a.m.

Description

This intelligence analysis describes newly discovered variants of the DPRK-attributed macOS Ferret malware family, labeled as 'FlexibleFerret'. The malware is part of the ongoing 'Contagious Interview' campaign targeting developers and job seekers. The new variants include a dropper package containing multiple components, including a fake Zoom binary and an InstallerAlert application. These components establish persistence and communicate with a command and control server. The campaign has expanded its tactics, now targeting GitHub users by creating fake issues on legitimate repositories. The malware remains undetected by Apple's XProtect tool, highlighting the evolving nature of the threat.

Date

Published: Feb. 4, 2025, 8:35 a.m.

Created: Feb. 4, 2025, 8:35 a.m.

Modified: Feb. 4, 2025, 9:44 a.m.

Indicators

3c4becde20e618efb209f97581e9ab6bf00cbd63f51f4ebd5677e352c57e992a

zoom.callservice.us

Attack Patterns

ChromeUpdate

MULTI_FROSTYFERRET_CMDCODES

FRIENDLYFERRET_SECD

FlexibleFerret

FROSTYFERRET_UI

DPRK

T1553.002

T1547.001

T1059.004

T1071.001

T1036.005

T1543.001

T1204.002

T1059.002

T1105

T1566.001

T1027

Additional Informations

Technology