FatDuke can copy files and directories from a compromised host.2
tool
FatDuke S0512
- Type
- malware
- Platform
- Windows
- Created
- 24 September 2020
- Last modified
- 25 April 2025
21
TechniquesTop 18%
7
Tactics68th pct
1
Threat groupunranked
1
Campaignunranked
Enterprise ATT&CK only. Any Mobile or ICS rows on the same ATT&CK page are not carried.
MITRE reference S0512
FatDuke has used several C2 servers per targeted organization.3
FatDuke can get user agent strings for the default browser from HKCU\Software\Classes\http\shell\open\command.4
FatDuke can identify the MAC address on the target computer.5
FatDuke can use base64 encoding, string stacking, and opaque predicates for obfuscation.6
FatDuke has been regularly repacked by its operators to create large binaries and evade detection.7
Standing S0512
Reach is how much of ATT&CK this tool 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 825 ATT&CK software entries 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
Techniques21Top 18%
82nd percentile · 82% of 825 ATT&CK software entries have this many Enterprise techniques or fewer.
Tactics768th pct
68th percentile · 68% of 825 ATT&CK software entries have this many tactics spanned or fewer.
Threat group161% tie · 22 values
61% of the population shares a single value across only 22 distinct values, so a percentile here would rank the tie, not the entity.
Campaign185% tie · 8 values
85% of the population shares a single value across only 8 distinct values, so a percentile here would rank the tie, not the entity.
Coverage
Rules / technique22med53rd pct
53rd percentile · 53% of 825 ATT&CK software entries have this many detection rules per technique or fewer.
Tests / technique6med
Detection coverage S0512
707 distinct rules cover the 21 techniques recorded for this tool. The 826 technique-to-rule mappings resolve to 707 distinct rules, because one rule can cover several techniques. 522 Sigma · 185 Splunk.
18 covered by at least one rule3 with no coverage707 distinct rules in total
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