IndigoDrop spreads via military-themed lures to deliver Cobalt Strike

By Asheer Malhotra. Cisco Talos has observed a malware campaign that utilizes military-themed malicious Microsoft Office documents maldocs to spread Cobalt Strike beacons containing full-fledged RAT capabilities. These maldocs use malicious macros to deliver a multistage and highly modular...

Espionage Group Hits U.S. Utilities with Sophisticated Spy Tool

The APT known as TA410 has added a modular remote-access trojan RAT to its espionage arsenal, deployed against Windows targets in the United States’ utilities sector. According to researchers at Proofpoint, the RAT, called FlowCloud, can access installed applications and control the keyboard,...

Sophisticated Info-Stealer Targets Air-Gapped Devices via USB

The Cycldek APT group has added a previously unknown malware dubbed USBCulprit to its arsenal, aimed at reaching air-gapped devices. Cycldek a.k.a. Goblin Panda, APT 27 and Conimes has been targeting governments in Southeast Asia since 2013, according to analysis from Kaspersky, and has been...

‘Coronavirus Report’ Emails Spread NetSupport RAT, Microsoft Warns

A recent spear-phishing campaign has been spotted spreading a weaponized NetSupport Manager remote access tool RAT, which is a legitimate tool used for troubleshooting and tech support. Attackers use the ongoing coronavirus pandemic as a lure, as well as malicious Excel documents, to convince...

US Government Exposes North Korean Malware

US Cyber Command has uploaded North Korean malware samples to the VirusTotal aggregation repository, adding to the malware samples it uploaded in February. The first of the new malware variants, COPPERHEDGE, is described as a Remote Access Tool RAT "used by advanced persistent threat APT cyber...

Analyzing Dark Crystal RAT, a C# Backdoor

The FireEye Mandiant Threat Intelligence Team helps protect our customers by tracking cyber attackers and the malware they use. The FLARE Team helps augment our threat intelligence by reverse engineering malware samples. Recently, FLARE worked on a new C variant of Dark Crystal RAT DCRat that the...

Lazarus Group Hides macOS Spyware in 2FA Application

The North Korea-linked cyberthreat group known as Lazarus Group has added a new variant of the Dacls remote-access trojan RAT to its arsenal of spy gear, designed specifically for the Mac operating system. Dacls was first discovered last December targeting Windows and Linux platforms. The new...

Fake Zoom installers infect PCs with RevCode WebMonitor RAT

By Deeba Ahmed Zoom is being actively targeted by hackers in the past few weeks. Now, hackers are dropping fake Zoom installers with RevCode WebMonitor RAT. This is a post from HackRead.com Read the original post: Fake Zoom installers infect PCs with RevCode WebMonitor RAT...

This Week in Security News: Shade Ransomware Shuts Down, Releases Decryption Keys and WebMonitor RAT Bundled with Zoom Installer

Welcome to our weekly roundup, where we share what you need to know about the cybersecurity news and events that happened over the past few days. This week, read about how the operators of the Shade Troldesh ransomware have shut down and released more than 750,000 decryption keys. Also, learn abo...

Threat Source newsletter for April 30, 2020

Newsletter compiled by Jon Munshaw. Welcome to this week’s Threat Source newsletter — the perfect place to get caught up on all things Talos from the past week. Our newest research post focuses on the Aggah campaign. Threat actors are pushing Aggah to victims via malicious Microsoft Word document...

U.S. Universities Hit With 'Adult Dating' Spear-Phishing Attack

Several U.S. universities have been targeted in a widespread spear-phishing attack that uses adult dating as a lure. In reality, the emails spread the Hupigon remote access trojan RAT, known to be leveraged by state-sponsored threat actors. Researchers from Proofpoint warned that the ongoing...

COVID-Themed Lures Target SCADA Sectors With Data Stealing Malware

A new malware campaign has been found using coronavirus-themed lures to strike government and energy sectors in Azerbaijan with remote access trojans RAT capable of exfiltrating sensitive documents, keystrokes, passwords, and even images from the webcam. The targeted attacks employ Microsoft Word...

Taxpayers Targeted With Improved NetWire RAT Variant

A new variant of the the NetWire remote access trojan RAT is hitching a ride on IRS-themed phishing ploys targeting taxpayers in hopes of snatching victims’ credentials and tax information. The recently uncovered campaign reveals the RAT’s operators swapping up infection tactics to use a legacy...

TA505 Crime Gang Deploys SDBbot for Corporate Network Takeover

The TA505 cybercrime group has ramped up its attacks lately, with a set of campaigns bent on spreading the persistent SDBbot remote-access trojan RAT laterally throughout an entire corporate environment, researchers said. SDBbot RAT is a custom job that has been observed in TA505 attacks since at...

TAU Threat Analysis: NetWire Variant Leveraging AutoIt Scripts and Windows Shortcut Links

NetWire, an information stealing RAT that dates back multiple years, has been witnessed in the wild recently using a tactic of combining Windows shortcut link files and AutoIt scripts. These scripts pose as BitTorrent files, a protocol used for direct peer-to-peer file transfers, to entrench and...

Fake “Corona Antivirus” distributes BlackNET remote administration tool

Scammers and malware authors are taking advantage of the coronavirus crisis in full swing. We have seen a number of spam campaigns using COVID-19 as a lure to trick people into installing a variety of malware, but especially data stealers. As more of us work from home, the need to secure your...

APT36 Taps Coronavirus as 'Golden Opportunity' to Spread Crimson RAT

A Pakistani-linked threat actor, APT36, has been using a decoy health advisory that taps into global panic around the coronavirus pandemic to spread the Crimson RAT. The functionalities of the Crimson RAT include stealing credentials from victims’ browsers, capturing screenshots, collecting...

APT36 Taps Coronavirus as 'Golden Opportunity' to Spread Crimson RAT

A Pakistani-linked threat actor, APT36, has been using a decoy health advisory that taps into global panic around the coronavirus pandemic to spread the Crimson RAT. The functionalities of the Crimson RAT include stealing credentials from victims’ browsers, capturing screenshots, collecting...

APT36 jumps on the coronavirus bandwagon, delivers Crimson RAT

Since the coronavirus became a worldwide health issue, the desire for more information and guidance from government and health authorities has reached a fever pitch. This is a golden opportunity for threat actors to capitalize on fear, spread misinformation, and generate mass hysteria—all while...

Coronavirus-Themed APT Attack Spreads Malware

An advanced persistent threat APT group is leveraging the coronavirus pandemic to infect victims with a previously unknown malware, in a recently discovered campaign that researchers call “Vicious Panda.” Researchers identified two suspicious Rich Text Format files RTF — a text file format used b...