Threat Group Cards: A Threat Actor Encyclopedia Archived: 2026-04-05 23:34:26 UTC Home > List all groups > List all tools > List all groups using tool CORESHELL Tool: CORESHELL Names CORESHELL SOURFACE Sofacy Category Malware Type Downloader Description CORESHELL is a downloader used by APT28. The older versions of this malware are known as SOURFACE and newer versions as CORESHELL. Information MITRE ATT&CK Malpedia AlienVault OTX Last change to this tool card: 13 May 2020 Download this tool card in JSON format All groups using tool CORESHELL Changed Name Country Observed APT groups https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=d4ba1992-de1d-4c94-941d-454e3f3fd249 Page 1 of 2 Sofacy, APT 28, Fancy Bear, Sednit 2004-Apr 2025 1 group listed (1 APT, 0 other, 0 unknown) Source: https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=d4ba1992-de1d-4c94-941d-454e3f3fd249 https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=d4ba1992-de1d-4c94-941d-454e3f3fd249 Page 2 of 2