The attack is targeting financial regulators and embassy staff but probably isn t the work of an APT. The attack starts with an email claiming to send the target information about a U.S. Military Financing Program The attack uses a malicious attachment disguised as a top-secret document. It weaponizes TeamViewer, the popular remote-access and desktop-sharing software. While the tactics and targets are APT-like, Check Point researchers suspect that the cyberattacker behind the effort is actually financially motivated.
Source: https://threatpost.com/teamviewer-attacks-state-department/144014/