Cisco Talos Intelligence Blog

November 10, 2021 17:11

North Korean attackers use malicious blogs to deliver malware to high-profile South Korean targets

* Cisco Talos has observed a new malware campaign operated by the Kimsuky APT group since June 2021. * Kimsuky, also known as Thallium and Black Banshee, is a North Korean state-sponsored advanced persistent threat (APT) group active since 2012. * This campaign utilizes malici

October 19, 2021 20:10

Malicious campaign uses a barrage of commodity RATs to target Afghanistan and India

* Cisco Talos recently discovered a threat actor using political and government-themed malicious domains to target entities in India and Afghanistan. * These attacks use dcRAT and QuasarRAT for Windows delivered via malicious documents exploiting CVE-2017-11882 — a memory corru

September 23, 2021 08:09

Operation “Armor Piercer:” Targeted attacks in the Indian subcontinent using commercial RATs

By Asheer Malhotra, Vanja Svajcer and Justin Thattil. * Cisco Talos is tracking a campaign targeting government personnel in India using themes and tactics similar to APT36 (aka Mythic Leopard and Transparent Tribe). * This campaign distributes malicious documents and archive

August 19, 2021 07:08

Malicious Campaign Targets Latin America: The seller, The operator and a curious link

By Asheer Malhotra and Vitor Ventura, with contributions from Vanja Svajcer. * Cisco Talos has observed a new malware campaign delivering commodity RATs, including njRAT and AsyncRAT. * The campaign targets travel and hospitality organizations in Latin America. * Techniques

July 7, 2021 08:07

InSideCopy: How this APT continues to evolve its arsenal

By Asheer Malhotra and Justin Thattil. * Cisco Talos is tracking an increase in SideCopy's activities targeting government personnel in India using themes and tactics similar to APT36 (aka Mythic Leopard and Transparent Tribe). * SideCopy is an APT group that mimics the Sidewi

May 13, 2021 08:05

Transparent Tribe APT expands its Windows malware arsenal

Transparent Tribe, also known as APT36 and Mythic Leopard, continues to create fake domains mimicking legitimate military and defense organizations as a core component of their operations. Cisco Talos’ previous research has mainly linked this group to CrimsonRAT, but new campaign

March 2, 2021 08:03

ObliqueRAT returns with new campaign using hijacked websites

By Asheer Malhotra. * Cisco Talos has observed another malware campaign that utilizes malicious Microsoft Office documents (maldocs) to spread the remote access trojan (RAT) ObliqueRAT. * This campaign targets organizations in South Asia. * ObliqueRAT has been linked to th

November 12, 2020 08:11

CRAT wants to plunder your endpoints

* Cisco Talos has observed a new version of a remote access trojan (RAT) family known as CRAT. * Apart from the prebuilt RAT capabilities, the malware can download and deploy additional malicious plugins on the infected endpoint. * One of the plugins is a ransomware known as "

June 22, 2020 13:06

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 multist