Malware
GraphSteel
This malware was seen during the cyberattacks on Ukrainian state organizations.
GraphSteel is a Windows malware family.
Background
This malware appeared in the cyberattacks against Ukrainian government organizations. It is one of two Go-written backdoors linked to UAC-0056 (SaintBear, UNC2589, TA471).
Source: Malpedia (Fraunhofer FKIE).