S9021: DOWNIISSA
DOWNIISSA is a shellcode downloader that has been used by MirrorFace since at least 2022 to deploy payloads, including the LODEINFO backdoor.[1]
Malware and tool entries linked to techniques, groups, and campaigns.
Results are validated against normalized ATT&CK source records when available; sample records are used only in development or empty-data environments.
DOWNIISSA is a shellcode downloader that has been used by MirrorFace since at least 2022 to deploy payloads, including the LODEINFO backdoor.[1]
LODEINFO is a fileless backdoor malware first identified in 2020 that has been used by actors including MirrorFace, primarily against media, diplomatic, governmental, and public sector organizations in Japan.[1][2][3]
MirrorStealer is a credential stealer that has been used by MirrorFace since at least 2022 to steal credentials from various applications, including browsers and email clients. MirrorStealer has been delivered directly into system memory via commands issued by LODEINFO.[1]
Source: MITRE ATT&CK®. © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. MITRE ATT&CK and ATT&CK are registered trademarks of The MITRE Corporation. Glexia is not affiliated with or endorsed by MITRE.