Threat Group Cards: A Threat Actor Encyclopedia Archived: 2026-04-05 18:20:29 UTC Home > List all groups > List all tools > List all groups using tool IRONHALO Tool: IRONHALO Names IRONHALO Category Malware Type Downloader Description (FireEye) IRONHALO is a downloader that uses the HTTP protocol to retrieve a Base64 encoded payload from a hard-coded command-and-control (CnC) server and uniform resource locator (URL) path. The encoded payload is written to a temporary file, decoded and executed in a hidden window. The encoded and decoded payloads are written to files named igfxHK[%rand%].dat and igfxHK[%rand%].exe respectively, where [%rand%] is a 4-byte hexadecimal number based on the current timestamp. It persists by copying itself to the current user’s Startup folder. Information Malpedia Last change to this tool card: 14 May 2020 Download this tool card in JSON format All groups using tool IRONHALO Changed Name Country Observed APT groups   APT 16, SVCMONDR 2015   1 group listed (1 APT, 0 other, 0 unknown) https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=ad6447b0-774f-48a1-a5da-d03c3e0b94e4 Page 1 of 2 Source: https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=ad6447b0-774f-48a1-a5da-d03c3e0b94e4 https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=ad6447b0-774f-48a1-a5da-d03c3e0b94e4 Page 2 of 2 APT groups APT 16, SVCMONDR 2015 1 group listed (1 APT, 0 other, 0 unknown) Page 1 of 2