The PolySwarm Blog

Analyze suspicious files and URLs, at scale, millions of times per day. Get real-time threat intel from a crowdsourced network of security experts and antivirus companies competing to protect you.

Volt Typhoon Targets US Critical Infrastructure

Jun 5, 2023 2:07:00 PM / by The Hivemind posted in US, Critical Infrastructure, China, Energy, Volt Typhoon, Guam

0 Comments

Verticals Targeted: Critical Infrastructure, Communications, Manufacturing, Utility, Transportation, Construction, Maritime, Government, Information Technology, Education

Executive Summary

Volt Typhoon was discovered targeting critical infrastructure entities in the US mainland and Guam. Volt Typhoon maintained stealth throughout this espionage campaign.

Read More

AhRAT

Jun 2, 2023 2:04:00 PM / by The Hivemind posted in Espionage, Android, RAT, AhMyth, AhRAT

0 Comments

Related Families: AhMyth

Executive Summary

AhRAT, an Android RAT, was disguised as the iRecorder app. This malicious version of the iRecorder app is capable of recording audio and exfiltrating files from a victim’s device.

Read More

BlackByte NT

May 30, 2023 2:01:00 PM / by The Hivemind posted in BlackByte, Ransomware, BlackByte NT

0 Comments

Related Families: BlackByte

Executive Summary

BlackByte NT, the most recently discovered variant of BlackByte ransomware, was recently reported by DuskRise. BlackByte NT is written in C++ and contains a variety of anti-analysis techniques in an attempt to thwart malware analysts.

Read More

Geacon - Cobalt Strike for MacOS

May 26, 2023 2:01:00 PM / by The Hivemind posted in Cobalt Strike, MacOS, Pentesting, Geacon

0 Comments

Related Families: Cobalt Strike

Executive Summary

Geacon is a Cobalt Strike adaptation developed to target MacOS. Geacon versions are available to target both Apple silicon and Intel architectures.

Read More

RedStinger Targets Critical Infrastructure

May 22, 2023 3:49:00 PM / by The Hivemind posted in Ukraine, Russia, Threat Bulletin, Government, Critical Infrastructure, Transportation, Bad Magic

0 Comments

Related Families: DboxShell, PowerMagic
Verticals Targeted:
Defense, Critical Infrastructure, Transportation 

Executive Summary

RedStinger, a relatively unknown threat actor group, targeted multiple entities in Ukraine, including those in the defense, transportation, and critical infrastructure verticals.

Read More

Winnti Subgroup Earth Longzhi Uses New TTPs

May 19, 2023 2:28:29 PM / by The Hivemind posted in Threat Bulletin, China, Winnti, TTPs, Stack Rumbling, Earth Longzhi

0 Comments

Related Families: Croxloader, SPHijacker, Behinder
Verticals Targeted: Government, Healthcare, Technology, Manufacturing

Executive Summary

Earth Longzhi, a Winnti subgroup, was recently observed using new TTPs, including a novel technique dubbed stack rumbling.

Read More

Reaper Uses New TTPs to Drop RokRAT

May 15, 2023 2:27:27 PM / by The Hivemind posted in Threat Bulletin, RokRAT, Reaper, Ricochet Chollima, LNK

0 Comments

Related Families: CloudMensis, RambleOn

Executive Summary

Reaper was recently observed using new TTPs to drop RokRAT. The infection chain leveraged LNK files delivered via the energy sector and politic

Read More

BlueNoroff's RustBucket MacOS Malware

May 12, 2023 3:48:04 PM / by The Hivemind posted in Threat Bulletin, Lazarus, North Korea, Financial, MacOS, Mac, RustBucket, BlueNoroff

0 Comments

Verticals Targeted: Financial

Executive Summary

North Korea nexus threat actor group BlueNoroff was recently observed using malware to target MacOS systems. Dubbed RustBucket, the malware can be used to communicate with the C2 to download and execute additional payloads.

Read More

Subscribe to Email Updates

Lists by Topic

see all

Posts by Topic

See all

Recent Posts