The PolySwarm Blog

Verticals Targeted: Digital Marketing, Industrial Sectors, Recreational Goods, Animal Rescue Organizations
Regions Targeted: Taiwan
Related Families: Cobalt Strike

Verticals Targeted: Not specified
Regions Targeted: Not specified
Related Families: None

Executive Summary

DigitStealer is a highly evasive macOS information stealer that executes almost entirely in memory, leverages JavaScript for Automation (JXA) and AppleScript, and employs novel hardware-based anti-analysis checks targeting Apple Silicon M2 and newer devices. The campaign demonstrates increasing adversary sophistication through multi-stage payload delivery and abuse of legitimate infrastructure.

Verticals Targeted: Aerospace, Defense
Regions Targeted: Entities providing UAV technology to Ukraine  
Related Families: None

Verticals Targeted: None specified
Regions Targeted: United States, United Kingdom, Canada, Denmark, Panama, Kuwait
Related Families: HelloKitty

Verticals Targeted: Not specified
Regions Targeted: Middle East
Related Families: None

Executive Summary

A novel Android spyware family, dubbed Landfall, leveraged a zero-day vulnerability in Samsung's image processing library to compromise Galaxy devices. The campaign, active since mid-2024, enabled extensive surveillance capabilities and remained undetected until historical samples were analyzed post-patch.

Verticals Targeted: None Specified
Regions Targeted: Ukraine
Related Families: FRUITSHELL, PROMPTFLUX, PROMPTLOCK, PROMPTSTEAL, QUIETVAULT

Executive Summary

Industry researchers have noted the emergence of AI-integrated malware that queries large language models during runtime to generate code, obfuscate payloads, and adapt behaviors. This evolution extends beyond productivity aids, enabling nation state actors and cybercriminals to enhance intrusion chains with dynamic capabilities. Associated malware includes FRUITSHELL, PROMPTFLUX, PROMPTLOCK, PROMPTSTEAL, and QUIETVAULT.

Verticals Targeted: Business Process Outsourcing (BPO)
Regions Targeted: Not Specified
Related Families: None

Executive Summary

Airstalk is a new Windows malware family deployed by a suspected nation-state actor in supply chain attacks, leveraging AirWatch API for covert C2 to exfiltrate browser data. Available in PowerShell and .NET variants, the malware highlights evolving threats to third-party vendors.

Verticals Targeted: Government
Regions Targeted: Middle East, North Africa
Related Families: Phoenix, FakeUpdate

Executive Summary

A sophisticated phishing operation has been attributed to the Iran-linked APT MuddyWater, deploying an updated Phoenix backdoor to conduct espionage against government and international entities. The campaign leverages compromised mailboxes and macro-enabled Word documents to deliver custom injectors and persistence mechanisms, highlighting the group's reliance on trusted channels for initial access.