SettingContent-ms can be Abused to Drop Complex DeepLink and Icon-based Payload

Microsoft’s SettingContent-ms has become a recent topic of interest. In July, we saw one spam campaign use malicious SettingContent-ms files embedded in a PDF to drop the remote access Trojan FlawedAmmyy, a RAT also used by the Necurs botnet. That campaign was Read More …

Massive Malspam Campaign Finds a New Vector for FlawedAmmyy RAT

A widespread spam campaign from the well-known financial criminal group TA505 is spreading the FlawedAmmyy RAT using a brand-new vector: Weaponized PDFs containing malicious SettingContent-ms files. The SettingContent-ms file format was introduced in Windows 10; it allows a user to Read More …