Full Report
This blog was written by Kiran Raj & Kishan N. Introduction In the last few years, Microsoft Office macro malware... The post Zloader With a New Infection Technique appeared first on McAfee Blog.
Analysis Summary
The provided article context is overwhelmingly focused on navigation, product listings, and general information about McAfee, rather than specific details about Zloader's "new infection technique," tools, or TTPs. Due to the truncated and boilerplate nature of the provided text, specific technical details required for a comprehensive summary (like IOCs, precise MITRE mappings, specific capabilities, or associated threat actor names) are **not present**.
Therefore, the summary will focus solely on the malware family mentioned and infer capabilities based on common knowledge of this malware, while explicitly noting the lack of detail from the provided context snippet.
# Tool/Technique: Zloader
## Overview
Zloader (also known as Dellay or Zbuck) is an established banking Trojan that has historically evolved to steal credentials and perform financial fraud. The article context suggests Zloader has implemented a "new infection technique," implying active evolution and evasion methods, though the specifics of this new technique are not detailed in the provided text.
## Technical Details
- Type: Malware family (Banking Trojan/Infostealer)
- Platform: Primarily Windows
- Capabilities: Credential theft, financial fraud, persistence mechanisms (inferred from general knowledge of Zloader history).
- First Seen: Dates vary depending on the specific variant iteration, but Zloader activity has been observed for several years.
## MITRE ATT&CK Mapping
*Note: Specific mappings for the *new* technique mentioned in the article are unavailable from the context provided. The following mappings represent common Zloader behaviors:*
- **TA0002 - Execution**
- T1204 - User Execution
- **TA0005 - Defense Evasion**
- T1027 - Obfuscated Files or Information
- **TA0006 - Credential Access**
- T1003 - OS Credential Dumping
## Functionality
### Core Capabilities
- Delivery via phishing or malspam campaigns.
- Establishing command and control (C2) communication.
- Stealing saved credentials, often targeting banking information.
- Maintaining persistence on compromised systems.
### Advanced Features
- The context explicitly refers to a "new infection technique," suggesting advanced evasion or initial access methods are being employed to circumvent modern security controls. (Details are missing.)
## Indicators of Compromise
- File Hashes: [Details not available in the context]
- File Names: [Details not available in the context]
- Registry Keys: [Details not available in the context]
- Network Indicators: [Details not available in the context]
- Behavioral Indicators: [Details not available in the context]
## Associated Threat Actors
- Various financially motivated groups are known to leverage Zloader, often prior to deploying secondary payloads like Ryuk or other ransomware. (Specific groups are not mentioned in the context.)
## Detection Methods
*Since specific malware samples or TTPs related to the new variant are unavailable:*
- Detection would rely on generic signatures for known Zloader components and behavioral monitoring for common banking malware execution patterns.
- [YARA rules if available]: [Details not available in the context]
## Mitigation Strategies
- Implementing robust email filtering to block malicious attachments/links associated with initial compromise.
- Application control to prevent unauthorized execution.
- Ensuring endpoint detection and response (EDR) solutions are configured to monitor for process injection or unusual credential access attempts typical of banking malware.
- [Hardening recommendations]: [Details not available in the context]
## Related Tools/Techniques
- Other banking Trojans (e.g., TrickBot, Emotet, Emotet successor techniques).
- Tools used for initial access (e.g., phishing toolkits).