Batloader Malware Abuses Legitimate Tools Uses Obfuscated JavaScript Files in Q4 2022 Attacks

Batloader Malware Abuses Legitimate Tools Uses Obfuscated JavaScript Files in Q4 2022 Attacks

Batloader Malware Abuses Legitimate Tools Uses Obfuscated JavaScript Files in Q4 2022 Attacks Malware We discuss the Batloader malware campaigns we observed in the last quarter of 2022, including our analysis of Water Minyades-related events (This is the intrusion set we track behind the creation of Batloader). By: Junestherry Dela Cruz January 17, 2023 Read time:  ( words) We discuss the Batloader malware campaigns we observed in the last quarter of 2022, including our analysis…

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Abusing a GitHub Codespaces Feature For Malware Delivery

Abusing a GitHub Codespaces Feature For Malware Delivery

GitHub Codespaces, initially in preview for specific users, became widely available for free in November 2022. This cloud-based integrated development environment (IDE) allows developers and organizations to customize projects via configuring dev container files, easing some previous pain points in project development. We investigated the services offered by this cloud IDE and found that one of its features for code development and collaboration – sharing forwarded ports publicly – can be abused by malicious actors…

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Gootkit Loader Actively Targets Australian Healthcare Industry

Gootkit Loader Actively Targets Australian Healthcare Industry

Credential access The file krb.txt was created by one of the injected processes that contains Kerberos hashes for several accounts. Given that we did not see any dumping activity in the process telemetry, the dumping process transpired in the memory; it did not introduce a new tool or an executable file to do the dumping.   Impact The final payload is unknown for this case since we detected it and responded to it while it was…

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Dridex Returns, Targets MacOS Using New Entry Method

Dridex Returns, Targets MacOS Using New Entry Method

Dridex Returns, Targets MacOS Using New Entry Method Malware The Dridex variant we analyzed targets MacOS platforms with a new technique to deliver documents embedded with malicious macros to users. By: Armando Nathaniel Pedragoza January 05, 2023 Read time:  ( words) Normally, documents containing malicious macros enter a user’s system via email attachments posing as normal document files. However, while this might be the primary method of arrival, malicious actors have other ways of entering…

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IcedID Botnet Distributors Abuse Google PPC to Distribute Malware

IcedID Botnet Distributors Abuse Google PPC to Distribute Malware

IcedID Botnet Distributors Abuse Google PPC to Distribute Malware Malware We analyze the latest changes in IcedID botnet from a campaign that abuses Google pay per click (PPC) ads to distribute IcedID via malvertising attacks. By: Ian Kenefick December 23, 2022 Read time:  ( words) After closely tracking the activities of the IcedID botnet, we have discovered some significant changes in its distribution methods. Since December 2022, we observed the abuse of Google pay per…

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Detecting Windows AMSI Bypass Techniques

Detecting Windows AMSI Bypass Techniques

Techniques bypassing AMSI were primarily used by security researchers and penetration testers. In recent years, however, cybercriminals have abused this and included the method as a feature in malware routines to evade detection that allowed them to continuously operate in a victim’s computer. Prior to AMSI, detections of fileless threats proved difficult. Previously documented methods used to achieve an AMSI bypass were: Obfuscation and/or encryption PowerShell downgrade Hooks and unhooks Memory patching Forcing an error…

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Raspberry Robin Malware Targets Telecom, Governments

Raspberry Robin Malware Targets Telecom, Governments

We noted layers 3 and 5 as capable of anti-analysis techniques. Meanwhile, we found that not all layers have unique packers. The fourth and seventh layers are identical, as well as the tenth and thirteenth. The packing of the eighth and fourteenth layers are also similar. This repeated use of packers implies that the group is using a separate packing program. We are continuing with our analysis to see if this program is their own…

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Trend Joining App Defense Alliance Announced by Google

Trend Joining App Defense Alliance Announced by Google

Trend Joining App Defense Alliance Announced by Google Malware Trend Micro’s participation in Google’s App Defense Alliance will ensure the security of customers by preventing malicious apps from being made available on the Google Play Store. By: Jon Clay December 15, 2022 Read time:  ( words) On December 1, 2022, Google announced Trend Micro will be joining their App Defense Alliance (ADA) to help improve their ability to identify malicious apps before they are published…

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Linux Cryptocurrency Mining Attacks Enhanced via CHAOS RAT

Linux Cryptocurrency Mining Attacks Enhanced via CHAOS RAT

Linux Cryptocurrency Mining Attacks Enhanced via CHAOS RAT Cloud We intercepted a cryptocurrency mining attack that incorporated an advanced remote access trojan (RAT) named the CHAOS Remote Administrative Tool. By: David Fiser, Alfredo Oliveira December 12, 2022 Read time:  ( words) We’ve previously written about cryptojacking scenarios involving Linux machines and specific cloud computing instances being targeted by threat actors active in this space such as TeamTNT. We found that the routines and chain of…

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Pilfered Keys Free App Infected by Malware Steals Keychain Data

Pilfered Keys Free App Infected by Malware Steals Keychain Data

Pilfered Keys Free App Infected by Malware Steals Keychain Data Malware Open-source applications are a practical way to save money while keeping up with your productivity. However, this can be abused by threat actors to steal your data. Find out how one app was used to gather information of Apple users. By: Luis Magisa, Qi Sun November 16, 2022 Read time:  ( words) Today, malware spreads easily, infecting computers of various users. Commonly found on…

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