tonto

Tonto Team Using Anti-Malware Related Files for DLL Side-Loading

The Tonto Team is a threat group that targets mainly Asian countries, and has been distributing Bisonal malware. AhnLab Security Emergency response Center (ASEC) has been tracking the Tonto Team’s attacks on Korean education, construction, diplomatic, and political institutions. Recent cases have revealed that the group is using a file related to anti-malware products to ultimately execute their malicious attacks. Figure 1. Overall operation process The Tonto Team’s involvement in the distribution of the CHM malware in Korea has been…