North Korea

Pierluigi Paganini May 24, 2023
The US government sanctioned four entities and one individual for supporting cyber operations conducted by North Korea

The US Department of the Treasury sanctioned four entities and one individual for their role in cyber operations conducted by North Korea. The US Department of the Treasury’s Office of Foreign Assets Control (OFAC) announced sanctions against four entities and one individual for their role in malicious cyber operations conducted to support the government of […]

Pierluigi Paganini May 11, 2023
North Korea-linked APT breached the Seoul National University Hospital

The Korean National Police Agency (KNPA) warns that a North Korea-linked APT group had breached the Seoul National University Hospital (SNUH). The Korean National Police Agency (KNPA) revealed that a North Korea-linked APT group has breached one of the largest hospitals in the country, the Seoul National University Hospital (SNUH). The security breach took place […]

Pierluigi Paganini May 05, 2023
North Korea-linked Kimsuky APT uses new recon tool ReconShark

North Korea-linked APT group Kimsuky has been observed using a new reconnaissance tool dubbed ReconShark in a recent campaign. SentinelOne researchers observed an ongoing campaign from North Korea-linked Kimsuky Group that is using a new malware called ReconShark. The reconnaissance tool is delivered through spear-phishing emails, OneDrive links leading to document weaponized downloads, and the execution of malicious […]

Pierluigi Paganini May 02, 2023
North Korea-linked ScarCruft APT uses large LNK files in infection chains

North Korea-linked ScarCruft APT group started using oversized LNK files to deliver the RokRAT malware starting in early July 2022. Check Point researchers reported that the infection chains observed in the attacks attributed to North Korea-linked ScarCruft APT group (aka APT37, Reaper, and Group123) since 2022 have stopped heavily relying on malicious documents to deliver malware and instead […]

Pierluigi Paganini April 25, 2023
North Korea-linked BlueNoroff APT is behind the new RustBucket Mac Malware

North Korea-linked APT group BlueNoroff (aka Lazarus) was spotted targeting Mac users with new RustBucket malware. Researchers from security firm Jamf observed the North Korea-linked BlueNoroff APT group using a new macOS malware, dubbed RustBucket, family in recent attacks. The group BlueNoroff is considered a group that operates under the control of the notorious North Korea-linked Lazarus APT group. The […]

Pierluigi Paganini April 06, 2023
Analyzing attacks conducted by North Korea-linked ARCHIPELAGO APT group

Google’s Threat Analysis Group (TAG) warns of a North Korea-linked cyberespionage group tracked as ARCHIPELAGO. Google’s Threat Analysis Group (TAG) is warning of the North Korea-linked ARCHIPELAGO group that is targeting government and military personnel, think tanks, policy makers, academics, and researchers in South Korea, the US and elsewhere. Google experts are tracking ARCHIPELAGO since […]

Pierluigi Paganini April 04, 2023
3CX Supply chain attack allowed targeting cryptocurrency companies

Threat actors behind the 3CX supply chain attack have targeted a limited number of cryptocurrency companies with a second-state implant. As of Mar 22, 2023, SentinelOne observed a spike in behavioral detections of the 3CXDesktopApp, which is a popular voice and video conferencing software product. The products from multiple cybersecurity vendors started detecting the popular […]

Pierluigi Paganini February 10, 2023
DPRK fund malicious cyber activities with ransomware attacks on critical Infrastructure

North Korea-linked APT groups conduct ransomware attacks against healthcare and critical infrastructure facilities to fund its activities. Ransomware attacks on critical infrastructure conducted by North Korea-linked hacker groups are used by the government of Pyongyang to fund its malicious cyber operations, U.S. and South Korean agencies warn. US CISA published a Cybersecurity Advisory (CSA) to […]

Pierluigi Paganini January 25, 2023
North Korea-linked TA444 group turns to credential harvesting activity

North Korea-linked TA444 group is behind a credential harvesting campaign targeting a number of industry verticals. Proofpoint researchers reported that North Korea-linked TA444 APT group (aka APT38, BlueNoroff, Copernicium, and Stardust Chollima) is behind a credential harvesting campaign targeting a number of industry verticals. APT38 appears to be a North Korea-linked group separate from the infamous Lazarus group, […]

Pierluigi Paganini January 24, 2023
FBI confirms that North Korea-linked Lazarus APT is behind Harmony Horizon Bridge $100 million cyber heist

The U.S. FBI attributes the $100 million cyber heist against Harmony Horizon Bridge to North Korea-linked Lazarus APT. The U.S. Federal Bureau of Investigation (FBI) this week confirmed that in June 2022 the North Korea-linked Lazarus APT group and APT38 stole $100 million worth of cryptocurrency assets from the Blockchain company Harmony Horizon Bridge. “The FBI continues […]