BitPaymer can enumerate existing Windows services on the host that are configured to run as LocalSystem.2
tool
BitPaymer S0570
- Type
- malware
- Platform
- Windows
- Created
- 8 February 2021
- Last modified
- 11 April 2024
BitPaymer is a ransomware variant first observed in August 2017 targeting hospitals in the U.K. BitPaymer uses a unique encryption key, ransom note, and contact information for each operation. BitPaymer has several indicators suggesting overlap with the Dridex malware and is often delivered via Dridex.[1]
18
TechniquesTop 25%
7
Tactics68th pct
1
Threat groupunranked
0
CampaignsNone recorded
Enterprise ATT&CK only. Any Mobile or ICS rows on the same ATT&CK page are not carried.
MITRE reference S0570
BitPaymer can use the RegEnumKeyW to iterate through Registry keys.3
BitPaymer has used RC4-encrypted strings and string hashes to avoid identifiable strings within the binary.5
BitPaymer can modify the timestamp of an executable so that it can be identified and restored by the decryption tool.6
BitPaymer can enumerate the sessions for each user logged onto the infected host.7
Standing S0570
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
Techniques18Top 25%
75th percentile · 75% 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.
Campaigns085% 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 / technique27med68th pct
68th percentile · 68% of 825 ATT&CK software entries have this many detection rules per technique or fewer.
Tests / technique9med
Detection coverage S0570
632 distinct rules cover the 18 techniques recorded for this tool. The 652 technique-to-rule mappings resolve to 632 distinct rules, because one rule can cover several techniques. 392 Sigma · 240 Splunk.
18 covered by at least one rule632 distinct rules in total
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