MirrorFace has dumped LSASS memory for credential access.7
group
MirrorFace G1054
- Created
- 17 April 2026
- Last modified
- 31 July 2026
- Aliases
- MirrorFace · 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.[1][2][3][4][5][6]
43
TechniquesTop 21%
13
TacticsTop 15%
16
Tools & malwareTop 10%
1
Campaignunranked
Enterprise ATT&CK only. Any Mobile or ICS rows on the same ATT&CK page are not carried.
MITRE reference G1054
MirrorFace has used vssadmin to copy registry hives including SAM.89
MirrorFace has dumped NTDS.dit through volume shadow copies.1011
MirrorFace gathered data and files of interest from victim's systems.12
MirrorFace has used Tasklist for discovery post compromise.13
MirrorFace has used ipconfig for reconnaissance.14
During Operation AkaiRyū, MirrorFace used Arp and dir for discovery in compromised environments.15
Standing G1054
Reach is how much of ATT&CK this group touches. Coverage is how well defended each thing it does is, as a median per technique rather than a total — a total would just restate the reach. Each figure is ranked against all 176 ATT&CK groups only where that population actually spreads. Where most of the population shares one value, a percentile would rank the tie instead of the entity, so the raw value is shown and no rank is claimed.
Reach
Techniques43Top 21%
79th percentile · 79% of 176 ATT&CK groups have this many Enterprise techniques or fewer.
Tactics13Top 15%
85th percentile · 85% of 176 ATT&CK groups have this many tactics spanned or fewer.
Tools & malware16Top 10%
90th percentile · 90% of 176 ATT&CK groups have this many tools and malware or fewer.
Campaign189% tie · 4 values
89% of the population shares a single value across only 4 distinct values, so a percentile here would rank the tie, not the entity.
Coverage
Rules / technique25med64th pct
64th percentile · 64% of 176 ATT&CK groups have this many detection rules per technique or fewer.
Tests / technique4med
Detection coverage G1054
1536 distinct rules cover the 43 techniques recorded for this group. The 1694 technique-to-rule mappings resolve to 1536 distinct rules, because one rule can cover several techniques. 984 Sigma · 552 Splunk.
39 covered by at least one rule4 with no coverage1536 distinct rules in total
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