In April, FortiGuard Labs observed a threat actor using phishing emails with malicious HTML files to spread Horabot, malware that primarily targets Spanish-speaking users. It is known for using crafted emails that impersonate invoices or financial documents to trick victims into opening malicious attachments and can steal email credentials, harvest contact lists, and install banking trojans.
Horabot leverages Outlook COM automation to send phishing messages from the victim’s mailbox, enabling it to propagate laterally within corporate or personal networks. The threat actor also executed a combination of VBScript, AutoIt, and PowerShell to conduct system reconnaissance, credential theft, and the installation of additional payloads.
Read more…
Source: Fortinet
Sign up for our Newsletter
The latest news and insights delivered right to your inbox.
Related:
- LANDFALL: New Commercial-Grade Android Spyware in Exploit Chain Targeting Samsung Devices
November 7, 2025
Unit 42 researchers have uncovered a previously unknown Android spyware family, which we have named LANDFALL. To deliver the spyware, attackers exploited a zero-day vulnerability (CVE-2025-21042) in Samsung’s Android image processing library. The specific flaw LANDFALL exploited, CVE-2025-21042, is not an isolated case but rather part of a broader pattern of similar issues found on multiple ...
- Hyundai IT services breach could put 2.7 million Hyundai, Kia owners in the US at risk
November 7, 2025
Hyundai AutoEver America (HAEA), the carmaker’s IT-services subsidiary servicing the North American region, has confirmed suffering a cyberattack and lost sensitive customer data as a result. In a data breach notification letter recently sent out to affected individuals, HAEA explained that the attack began on February 22, 2025, and lasted until March 2, when the attackers ...
- U.S. Congressional Budget Office confirms it was hacked
November 7, 2025
The U.S. Congressional Budget Office has confirmed it was hacked. Caitlin Emma, a spokesperson for CBO, told TechCrunch on Friday that the agency is investigating the breach and “has identified the security incident, has taken immediate action to contain it, and has implemented additional monitoring and new security controls to further protect the agency’s systems ...
- Cisco Releases Security Updates for Unified CCX
November 6, 2025
Cisco has released security updates to address two critical vulnerabilities in Unified Contact Center Express (Unified CCX). CVE-2025-20354 – Unauthenticated Remote Code Execution (RCE) vulnerability – CVSSv3 score: 9.8 CVE-2025-20358 – Authentication Bypass (unauthenticated to administrative privileges) vulnerability – CVSSv3 score: 9.4 Read more… Source: NHS Digital Sign up for the Cyber Security Review Newsletter The latest cyber security news and ...
- SonicWall blames state hackers for damaging data breach
November 6, 2025
SonicWall has blamed “state-sponsored threat actors” for the cloud backup security breach which hit its services in September 2025. In an update posted on the company’s website, SonicWall said it completed the investigation into the incident, and confirmed that the malicious activity was “carried out by a state-sponsored threat actor” and was “isolated to the unauthorized ...
- Malware-pwned laptop gifts cybercriminals Nikkei’s Slack
November 6, 2025
Japanese media behemoth Nikkei has admitted to a data breach after miscreants slipped into its internal Slack workspace, exposing the personal details of more than 17,000 employees and business partners.… The company blamed the intrusion on malware that infected an employee’s device, letting attackers pinch Slack credentials and waltz into its chat system. Once the suspicious ...