Phishing Emails Found in Environments Protected by Secure Email Gateways (SEGs)

Every week we update this page with a selection of the latest threats our analysts discover in environments protected by Proofpoint and other SEGs. These threat feeds can inform your security teams and help protect your business from malware-bearing phish.

One hundred percent of the phish seen by the Cofense Phishing Defense Center (PDC) have been found in environments under SEG (secure email gateway) protection, were reported by users, and were analyzed and dispositioned by Cofense Triage.

Cofense solutions enable organizations to identify, analyze and quarantine email threats in minutes.

Are phishing emails evading your Proofpoint or other secure email gateway? The following are examples of phishing emails recently seen by the PDC in technology-protected environments.

Filter by SEG

SEG

Tactic

Theme

Real Phishing Example: Finance-themed emails found in environments protected by Proofpoint deliver a JavaScript file via an embedded URL. The JavaScript file unpacks and runs STRRAT.

ENVIRONMENTS: Proofpoint

TYPE: STRRAT

POSTED ON: 03/02/2021

TACTIC: embedded URLs

THEME: Finance

PHISHING EXAMPLE DESCRIPTION: Finance-themed emails found in environments protected by Proofpoint deliver a JavaScript file via an embedded URL. The JavaScript file unpacks and runs STRRAT.

Real Phishing Example: Finance-themed emails found in environments protected by Proofpoint deliver JNLP shortcut files via XXE archives. The JNLP files download and run a JAR Downloader which in turn downloads Smoke Loader.

ENVIRONMENTS: Proofpoint

TYPE: Smoke Loader

POSTED ON: 03/02/2021

TACTIC: downloader attachment

THEME: FInance

PHISHING EXAMPLE DESCRIPTION: Finance-themed emails found in environments protected by Proofpoint deliver JNLP shortcut files via XXE archives. The JNLP files download and run a JAR Downloader which in turn downloads Smoke Loader.

Real Phishing Example: Finance-themed emails found in environments protected by Microsoft ATP, Cisco Ironport, Proofpoint, and Symantec MessageLabs deliver ZLoader via Office macro laden spreadsheets. The spreadsheets are downloaded from embedded URLs.

ENVIRONMENTS: Microsoft Defender for O365, Cisco Ironport, Proofpoint, and Symantec MessageLabs

TYPE: ZLoader

POSTED ON: 03/02/2021

TACTIC: embedded URLs

THEME: Finance

PHISHING EXAMPLE DESCRIPTION: Finance-themed emails found in environments protected by Microsoft ATP, Cisco Ironport, Proofpoint, and Symantec MessageLabs deliver ZLoader via Office macro laden spreadsheets. The spreadsheets are downloaded from embedded URLs.

Real Phishing Example: Finance-themed emails found in environments protected by Proofpoint deliver JNLP shortcut files via XXE archives. The JNLP files download and run a JAR Downloader which in turn downloads Smoke Loader.

ENVIRONMENTS: Proofpoint

TYPE: Smoke Loader

POSTED ON: 03/01/2021

TACTIC: downloader attachment

THEME: FInance

PHISHING EXAMPLE DESCRIPTION: Finance-themed emails found in environments protected by Proofpoint deliver JNLP shortcut files via XXE archives. The JNLP files download and run a JAR Downloader which in turn downloads Smoke Loader.

Real Phishing Example: Finance-themed emails found in environments protected by Proofpoint, Cisco IronPort, Microsoft Defender for O365, and Mimecast deliver password protected Office macro laden spreadsheets via embedded links. The spreadsheets download Dridex.

ENVIRONMENTS: Proofpoint

TYPE: Dridex

POSTED ON: 02/24/2021

TACTIC: Link

PHISHING EXAMPLE DESCRIPTION: Finance-themed emails found in environments protected by Proofpoint, Cisco IronPort, Microsoft Defender for O365, and Mimecast deliver password protected Office macro laden spreadsheets via embedded links. The spreadsheets download Dridex.

Real Phishing Example: Finance-themed emails found in environments protected by Microsoft Defender for O365 deliver Credential Phishing via an embedded link

ENVIRONMENTS: Microsoft Defender for O365

TYPE: Credential Phishing

POSTED ON: 02/19/2021

TACTIC: Link

PHISHING EXAMPLE DESCRIPTION: Finance-themed emails found in environments protected by Microsoft Defender for O365 deliver Credential Phishing via an embedded link

Malicious emails continue to reach user inboxes, increasing the risk of account compromise, data breach, ransomware attack and more. The same patterns and techniques are used and observed week after week.

Recommendations

Cofense recommends that organizations train personnel to identify and report suspicious emails and use advanced email protection tools. Cofense PhishMe customers should use SEG Miss templates to raise awareness of these attacks. Organizations should also fortify their cyber response playbook with Cofense Triage and Cofense Vision to quickly analyze and auto quarantine the phishing attacks that bypass technical controls.

Interested in seeing more? Search our Real Phishing Threats Database.

All third-party trademarks referenced by Cofense whether in logo form, name form or product form, or otherwise, remain the property of their respective holders, and use of these trademarks in no way indicates any relationship between Cofense and the holders of the trademarks. Any observations contained in this blog regarding circumvention of end point protections are based on observations at a point in time based on a specific set of system configurations. Subsequent updates or different configurations may be effective at stopping these or similar threats.

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