Luna Moth Callback Phishing Campaign


Unit 42 investigated several incidents related to the Luna Moth/Silent Ransom Group callback phishing extortion campaign targeting businesses in multiple sectors including legal and retail. This campaign leverages extortion without encryption, has cost victims hundreds of thousands of dollars and is expanding in scope.

By design, this style of social engineering attack leaves very few artifacts because of the use of legitimate trusted technology tools to carry out attacks. However, Unit 42 has identified several common indicators implying that these attacks are the product of a single highly organized campaign. This threat actor has significantly invested in call centers and infrastructure that’s unique to each victim.

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Source: Palo Alto Unit 42