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2021-04-27 17:24:00 | Anomali Cyber Watch: HabitsRAT Targeting Linux and Windows Servers, Lazarus Group Targetting South Korean Orgs, Multiple Zero-Days and More (lien direct) | The various threat intelligence stories in this iteration of the Anomali Cyber Watch discuss the following topics: APT, Android Malware, RATs, Phishing, QLocker Ransomware and Vulnerabilities. The IOCs related to these stories are attached to Anomali Cyber Watch and can be used to check your logs for potential malicious activity.
Figure 1 - IOC Summary Charts. These charts summarize the IOCs attached to this magazine and provide a glimpse of the threats discussed.
Trending Cyber News and Threat Intelligence
Zero-day Vulnerabilities in SonicWall Email Security Actively Exploited
(published: April 21, 2021)
US cybersecurity company SonicWall said fixes have been published to resolve three critical issues in its email security solution that are being actively exploited in the wild. The vulnerabilities are tracked as CVE-2021-20021, CVE-2021-20022, and CVE-2021-20023, impacting SonicWall ES/Hosted Email Security (HES) versions 10.0.1 and above.
Analyst Comment: The patches for these vulnerabilities have been issued and should be applied as soon as possible to avoid potential malicious behaviour. SonicWall’s security notice can be found here https://www.sonicwall.com/support/product-notification/security-notice-sonicwall-email-security-zero-day-vulnerabilities/210416112932360/. It is important that your company has patch-maintenance policies in place. Once a vulnerability has been publicly reported,, threat actors will likely attempt to incorporate the exploitation of the vulnerability into their malicious operations. Patches should be reviewed and applied as soon as possible to prevent potential malicious activity.
MITRE ATT&CK: [MITRE ATT&CK] Remote File Copy - T1105 | [MITRE ATT&CK] File and Directory Discovery - T1083
Tags: CVE-2021-20021, CVE-2021-20023, CVE-2021-20022
Massive Qlocker Ransomware Attack Uses 7zip to Encrypt QNAP Devices
(published: April 21, 2021)
The ransomware is called Qlocker and began targeting QNAP devices on April 19th, 2021. All victims are told to pay 0.01 Bitcoins, which is approximately $557.74, to get a password for their archived files. While the files are being locked, the Resource Monitor will display numerous '7z' processes which are the 7zip command-line executable.
Analyst Comment: Attackers are using legitimate tools like 7zip to evade detections by traditional antiviruses. EDR solutions can help tracking suspicious command line arguments and process creations to potentially detect such attacks. Customers should use backup solutions to be able recover encrypted files.
MITRE ATT&CK: [MITRE ATT&CK] Credentials in Files - T1081
Tags: Tor, Qlocker, CVE-2020-2509, CVE-2020-36195
Novel Email-Based Campaign Targets Bloomberg Clients with RATs
(published: April 21, 2021)
A new e-mail-based campaign by an emerging threat actor aims to spread various remote access trojans (RATs) to a very specific group of targets who use Bloomberg's industry-based services. Attacks start in the form of targeted emails to c |
Ransomware Malware Tool Vulnerability Threat Medical | Wannacry Wannacry APT 38 APT 28 |
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