Friday, July 19, 2024
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New Infostealer Malware Steal Logs & Corporate Access Data

Infostealer malware is becoming extremely popular among cybercriminals, especially in the malware-as-a-service (MaaS) based sector.

These kinds of malware remain undetected as much as possible for stealing information from the user’s device and transfer to the C2 server of the attacker.

An analysis of over 19.6 million stealer logs for identifying the trends about this malware showed that threat actors valued financial and corporate resources more than any stealer logs.

These logs were sold at a price of $112 on average when compared to all other log sales, which were at $15.

Key Findings

Among the 19.6 million logs, over 376k logs consisted of credentials belonging to many business applications that are more commonly used in all organizations. These include Salesforce, Hubspot, AWS, GCP, Okta domains, and DocuSign.

Over 200k logs consisted of OpenAI credentials which are 1% of the analyzed logs. In addition to this, 48k logs consisted of access to a resource that also includes “okta.com”.

This means that most of the confidential information was accessible. Okta is a popular Identity and Access management software widely used among applications.

Surprisingly, Access to Gmail credentials contributed to 46.9% of the total logs, indicating that over 8 million devices were infected with information stealer malware.

Russian Market and VIP telegram rooms were the prominent sources for these kinds of logs.

Tiers of Infostealer Access

Based on the type of credential and the type of access contained in a stealer log, they are categorized into three tiers Tier 1 (Corporate and Business Application access), Tier 2 (Infected devices and Banking), and Tier 3 (Consumer applications and Stealer logs).

Tier 1: Corporate and Business Application Access

These logs represent stolen credentials by the info stealer malware that was stored on the employees’ browsers. CRM, RDP, VPN, and SaaS application access credentials belong to this category.

These credentials are used to exploit and expand access before they are sold to top-tier dark web forums.

Tier 2: Infected Devices and Banking

These logs consist of major consumer bank credentials which are used by threat actors to steal money from consumer accounts.

Initial access brokers sell these credentials for an average of $112 at the Genesis market as mentioned earlier.

Tier 3: Consumer Applications

These logs usually belong to VPN applications, streaming services, and other applications which are used to save monthly subscriptions.

However, these are considered to be the lowest-valued credentials which are sold at $10 to $15 per log file.

A complete report has been published by Flare, which provides detailed information on the log classification and other infostealer log information.

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Eswar
Eswar
Eswar is a Cyber security content editor with a passion for creating captivating and informative content. With years of experience under his belt in Cyber Security, he is covering Cyber Security News, technology and other news.

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