Threat Group Cards: A Threat Actor Encyclopedia Archived: 2026-04-05 21:31:34 UTC Home > List all groups > List all tools > List all groups using tool IMAPLoader Tool: IMAPLoader Names IMAPLoader Category Malware Type Reconnaissance, Backdoor, Downloader Description (PWC) IMAPLoader is a .NET malware that has the ability to fingerprint victim systems using native Windows utilities and acts as a downloader for further payloads. It uses email as a C2 channel and is able to execute payloads extracted from email attachments and is executed via new service deployments. Information MITRE ATT&CK Malpedia Last change to this tool card: 27 December 2024 Download this tool card in JSON format All groups using tool IMAPLoader Changed Name Country Observed APT groups   Tortoiseshell, Imperial Kitten 2018-Oct 2023 1 group listed (1 APT, 0 other, 0 unknown) Source: https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=5f8ee245-6943-4152-8f38-0c470d853b47 https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=5f8ee245-6943-4152-8f38-0c470d853b47 Page 1 of 1