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| Src | Date (GMT) | Titre | Description | Tags | Stories | Notes |
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2022-01-19 22:45:00 | Anomali Cyber Watch: Russia-Sponsored Cyber Threats, China-Based Earth Lusca Active in Cyberespionage and Cybertheft, BlueNoroff Hunts Cryptocurrency-Related Businesses, and More (lien direct) | The various threat intelligence stories in this iteration of the Anomali Cyber Watch discuss the following topics: APT, China, HTTP Stack, Malspam, North Korea, Phishing, Russia 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
Earth Lusca Employs Sophisticated Infrastructure, Varied Tools and Techniques
(published: January 17, 2022)
The Earth Lusca threat group is part of the Winnti cluster. It is one of different Chinese groups that share aspects of their tactics, techniques, and procedures (TTPs) including the use of Winnti malware. Earth Lusca were active throughout 2021 committing both cyberespionage operations against government-connected organizations and financially-motivated intrusions targeting gambling and cryptocurrency-related sectors. For intrusion, the group tries different ways in including: spearphishing, watering hole attacks, and exploiting publicly facing servers. Cobalt Strike is one of the group’s preferred post-exploitation tools. It is followed by the use of the BioPass RAT, the Doraemon backdoor, the FunnySwitch backdoor, ShadowPad, and Winnti. The group employs two separate infrastructure clusters, first one is rented Vultr VPS servers used for command-and-control (C2), second one is compromised web servers used to scan for vulnerabilities, tunnel traffic, and Cobalt Strike C2.
Analyst Comment: Earth Lusca often relies on tried-and-true techniques that can be stopped by security best practices, such as avoiding clicking on suspicious email/website links and or reacting on random banners urging to update important public-facing applications. Don’t be tricked to download Adobe Flash update, it was discontinued at the end of December 2020. Administrators should keep their important public-facing applications (such as Microsoft Exchange and Oracle GlassFish Server) updated.
MITRE ATT&CK: [MITRE ATT&CK] Drive-by Compromise - T1189 | [MITRE ATT&CK] Exploit Public-Facing Application - T1190 | [MITRE ATT&CK] Phishing - T1566 | [MITRE ATT&CK] Command and Scripting Interpreter - T1059 | [MITRE ATT&CK] Scheduled Task - T1053 | [MITRE ATT&CK] System Services - T1569 | [MITRE ATT&CK] Windows Management Instrumentation - T1047 | [MITRE ATT&CK] Account Manipulation - T1098 | [MITRE ATT&CK] BITS Jobs - T1197 | [MITRE ATT&CK] Create Account - T1136 | [MITRE ATT&CK] Create or Modify System Process - T1543 | [MITRE ATT&CK] External Remote Services - T1133 | [MITRE ATT&CK] Hijack Execution Flow |
Ransomware Malware Tool Vulnerability Threat Patching Guideline | APT 41 APT 38 APT 29 APT 28 APT 28 | |
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2020-09-22 15:00:00 | Weekly Threat Briefing: Android Malware, APT Groups, Election Apps, Ransomware and More (lien direct) |
The various threat intelligence stories in this iteration of the Weekly Threat Briefing discuss the following topics: APT, Cerberus Source Code Leak, Chinese APT, Mrbminer Malware, and Vulnerabilities. The IOCs related to these stories are attached to the Weekly Threat Briefing 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
US 2020 Presidential Apps Riddled with Tracking and Security Flaws
(published: September 17, 2020)
The Vote Joe 2020 application has been found to be potentially leaking personal data about voters. The app is used by the Joe Biden campaign to engage with voters and get supporters to send out promotional text messages. Using TargetSmart, an intelligence service, the app receives their predictions via API endpoint which has been found to be returning additional data. Voter preference and voter prediction could be seen, while voter preference is publically accessible, the information for TargetSmart was not meant to be publicly available. The app also let users from outside of the United States download, allowing for non-US citizens to have access to the data, as there was no email verification. Vote Joe isn’t the only campaign app with security issues, as the Donald Trump application exposed hardcoded secret keys in the APK.
Recommendation: The exposure of Personally Identifiable Information (PII) requires affected individuals to take precautionary measures to protect their identity and their finances. Identity theft services can assist in preventing illicit purchases, or applying for financial services from taking place by actors using stolen data.
Tags: APK, Android, Campaign, Election, Joe Biden, PII
German Hospital Attacked, Patient Taken to Another City Dies
(published: September 17, 2020)
A failure in IT systems at Duesseldorf University Hospital in Germany has led to the death of a woman. In an apparent ransomware attack, the hospital’s systems crashed with staff unable to access data. While there was no apparent ransom note, 30 servers at the hospital had been encrypted last week, with a ransom note left on one server addressed to Heinrich Heine University. Duesseldorf police contacted the perpetrators to inform them they had attacked the hospital instead of the university, with the perpetrators providing decryption keys, however patients had to be rerouted to other hospitals and therefore a long time before being treated by doctors.
Recommendation: Educate your employees on the risks of opening attachments from unknown senders. Anti-spam and antivirus applications provided by trusted vendors should also be employed. Emails that are received from unknown senders should be carefully avoided, and attachments from such senders should not be opened. Furthermore, it is important to have a comprehensive and tested backup solution in place, in addition to a business continuity plan for the unfortunate case of ransomware infection.
MITRE ATT&CK: [MITRE ATT&CK] Data Encrypted for Impact - T1486
Tags: Germany, Healthcare, Hospital, Ransomware
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Ransomware Malware Vulnerability Threat Patching Guideline | APT 41 | ★★★★★ |
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