Phishing is a type of social engineering attack where threat actors attempt to trick users into providing sensitive information via email. Typically, this involves creating a phishing campaign where threat actors will send the same phishing email to a large batch of recipients in an attempt to trick at least a small subset of these potential victims. Not to be confused with … [Read more...]
Deobfuscating a Dropper for a ZLoader Trojan Variant
On March 18th, 2021, the DNSWatch Tailored Analysis Team received an email from an internal WatchGuard employee who deemed the email as suspicious. The initial email included an attachment with the title Attachment_57904. A DNSWatch Analyst performed an initial assessment of the file in search of any malicious indicators or behaviors only to discover that the file was a heavily … [Read more...]
Analyzing a Fileless Malware Loader
Thanks to WatchGuard’s Panda Adaptive Defense 360 zero-trust service, WatchGuard Threat Lab was able to identify and stop a sophisticated fileless malware loader before execution on the victim’s computer. Upon further detailed analysis by our attestation team, we identified several recent browser vulnerabilities that the malware targeted as part of its exploit chain. Malware … [Read more...]
Identifying an Existing APT Intrusion
Last month while onboarding a new customer to Panda EDR with the Orion threat hunting console, WatchGuard Threat Lab discovered an existing advanced persistent threat (APT) on the organization’s network. WatchGuard Threat Lab investigated the incident and were able to identify much of the threat actor’s tools, techniques and procedures including several indicators of compromise … [Read more...]
Catching a Rookie Mistake in a Facebook Phish
WatchGuard’s DNS-level protection and filtering service, DNSWatch, receives and processes numerous phishes every day. Many of these phishing attempts are monotonous and lack any unique qualities. However, periodically, the DNSWatch Tailored Analysis team triages a phishing attempt that stands out more than others. This short post will show a real-world phish that DNSWatch … [Read more...]