Blue Mockingbird has used Mimikatz to retrieve credentials from LSASS memory.2
group
Blue Mockingbird G0108
- Created
- 26 May 2020
- Last modified
- 31 July 2026
- Alias
- Blue Mockingbird
Blue Mockingbird is a cluster of observed activity involving Monero cryptocurrency-mining payloads in dynamic-link library (DLL) form on Windows systems. The earliest observed Blue Mockingbird tools were created in December 2019.[1]
Enterprise ATT&CK only. Any Mobile or ICS rows on the same ATT&CK page are not carried.
MITRE reference G0108
Blue Mockingbird has used Remote Desktop to log on to servers interactively and manually copy files to remote hosts.3
Blue Mockingbird has used Windows Explorer to manually copy malicious files to remote hosts over SMB.4
Blue Mockingbird has obfuscated the wallet address in the payload binary.5
Blue Mockingbird has masqueraded their XMRIG payload name by naming it wercplsupporte.dll after the legitimate wercplsupport.dll file.6
Blue Mockingbird has used wmic.exe to set environment variables.7
Standing G0108
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
57th percentile · 57% of 176 ATT&CK groups have this many Enterprise techniques or fewer.
73rd percentile · 73% of 176 ATT&CK groups have this many tactics spanned or fewer.
39th percentile · 61% of 176 ATT&CK groups have more tools and malware.
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
94th percentile · 94% of 176 ATT&CK groups have this many detection rules per technique or fewer.
Detection coverage G0108
1361 distinct rules cover the 22 techniques recorded for this group. The 1493 technique-to-rule mappings resolve to 1361 distinct rules, because one rule can cover several techniques. 927 Sigma · 434 Splunk.
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