Full Report
Authored by Jyothi Naveen and Kiran Raj McAfee Labs have been observing a spike in phishing campaigns that utilize Microsoft... The post Phishing Campaigns featuring Ursnif Trojan on the Rise appeared first on McAfee Blog.
Analysis Summary
# Tool/Technique: Ursnif Trojan
## Overview
Ursnif (also known as Gozi) is a banking Trojan that has been observed in phishing campaigns. Its primary function is typically focused on stealing financial credentials and banking information from infected systems, often delivered via malicious attachments in phishing emails.
## Technical Details
- Type: Malware family (Trojan)
- Platform: Not explicitly detailed, but typically targets Windows systems common in user environments targeted by banking Trojans.
- Capabilities: Credential theft, banking fraud capabilities (implied by nature as a banking Trojan).
- First Seen: Not explicitly detailed in the provided context snippets.
## MITRE ATT&CK Mapping
*Note: Since the context is extremely limited, mappings are based on the known TTPs associated with the Ursnif/Gozi family.*
- TA0001 - Initial Access
- T1566 - Phishing
- T1566.001 - Spearphishing Attachment
- TA0005 - Defense Evasion
- TA0011 - Command and Control
## Functionality
### Core Capabilities
- Delivery via Phishing Campaigns: Utilizes malicious attachments sent through social engineering lures to gain initial access to the victim environment.
- Financial Data Exfiltration: Designed to steal banking and financial credentials.
### Advanced Features
- *Specific advanced features (e.g., module loading, specific injection techniques) are not detailed in the provided context.*
## Indicators of Compromise
- File Hashes: [No specific hashes provided in the context]
- File Names: [No specific file names provided in the context]
- Registry Keys: [Not detailed in the context]
- Network Indicators: [No specific C2 indicators provided in the context]
- Behavioral Indicators: Execution following the opening of a malicious attachment delivered via email.
## Associated Threat Actors
- [No specific threat actors named in the provided context, though Ursnif has historically been attributed to various financially motivated groups.]
## Detection Methods
- *Specific detection signatures are not detailed in the context.*
- Behavioral detection focusing on post-phishing execution artifacts and communication attempts associated with banking Trojans would be relevant.
## Mitigation Strategies
- Comprehensive security solutions capable of detecting malicious attachments.
- User training emphasizing vigilance against phishing emails, especially those containing executable or macro-enabled attachments.
## Related Tools/Techniques
- Other banking Trojans (e.g., Emotet, TrickBot) that utilize similar delivery mechanisms (phishing).