MirrorFace
Also tracked as Earth Kasha
MirrorFace is a People's Republic of China (PRC)-aligned cyberespionage actor believed to be a subgroup under the menuPass umbrella based on targeting, tools, and infrastructure overlaps. MirrorFace has been active since at least 2019, at first exclusively targeting Japanese organizations across the media, defense, diplomatic, financial, manufacturing, and academic sectors. Subsequent MirrorFace operations included targets in Central Europe and featured use of LODEINFO, HiddenFace, and UPPERCUT malware.
- Documented techniques
- 43
- Assessed origin
- China
- Assessed motivation
- Espionage
- First seen
- 2019
- Basis
- MITRE ATT&CK
How they break in
Techniques MITRE has documented this group using, grouped by the stage of an attack they belong to. This is the actionable half: each one is a behaviour you can look for in your own logs, and a control you can test.
reconnaissance1
resource development2
initial access3
execution4
credential access3
discovery10
- T1007 System Service Discovery
- T1016 System Network Configuration Discovery
- T1018 Remote System Discovery
- T1033 System Owner/User Discovery
- T1057 Process Discovery
- T1082 System Information Discovery
- T1083 File and Directory Discovery
- T1087.002 Domain Account
- T1482 Domain Trust Discovery
- T1614.001 System Language Discovery
lateral movement2
collection4
command and control2
defense impairment5
Malware
Families MITRE records this group deploying. Detection names for these are a reasonable place to start.
Tools
Legitimate or dual-use software the group is documented using. Most of it is software your own administrators use too, which is the point.