The PolySwarm Blog

Verticals Targeted: Financial

Executive Summary

Crocodilus is a newly identified Android banking Trojan that exhibits advanced device-takeover capabilities and targets financial institutions and cryptocurrency wallets. Already operational in Spain and Turkey, this malware showcases a mature feature set that challenges traditional defenses, marking a significant evolution in mobile threats.

Related Families: Remcos

Executive Summary

Primitive Bear has been observed targeting Ukrainian users with malicious LNK files since at least November 2024. This operation employs a PowerShell downloader and DLL side-loading techniques to deliver the Remcos RAT, exploiting war-related themed lures to deceive victims.

Executive Summary

VanHelsing is an emerging ransomware threat. VanHelsing targets an expansive array of platforms, including Windows, Linux, BSD, ARM, and ESXi systems, positioning it as a versatile threat across diverse IT environments.

Related Families: RansomHub
Verticals Targeted: Healthcare, Government, Critical Infrastructure 

Executive Summary

StilachiRAT is a newly discovered remote access trojan (RAT) that employs advanced evasion techniques to conduct system reconnaissance, steal credentials, and target cryptocurrency wallets.

Executive Summary

KoSpy is a sophisticated Android spyware linked to North Korean threat actor Ricochet Chollima. It has been targeting Korean and English-speaking users since March 2022.

Verticals Targeted: Maritime, Nuclear

Executive Summary

SideWinder, an APT group thought to be of Indian nexus, was recently observed using new TTPs and expanding their targeting to include entities in the maritime and nuclear energy sectors.

Verticals Targeted: Government, Telecommunications, Media, Manufacturing