tool

Bazar S0534

Type: malware
Platform: Windows
Created: 18 November 2020
Last modified: 4 December 2023

Bazar is a downloader and backdoor that has been used since at least April 2020, with infections primarily against professional services, healthcare, manufacturing, IT, logistics and travel companies across the US and Europe. Bazar reportedly has ties to TrickBot campaigns and can be used to deploy additional malware, including ransomware, and to steal sensitive data.[1]

TechniquesTop 1%

TacticsTop 11%

Threat groupsunranked

Campaignunranked

Enterprise ATT&CK only. Any Mobile or ICS rows on the same ATT&CK page are not carried.

MITRE reference S0534

Data from Local System T1005↗

Bazar can retrieve information from the infected machine.2

Collection22 detection rules

Fallback Channels T1008↗

Bazar has the ability to use an alternative C2 server if the primary server fails.3

Command and Control5 detection rules

Query Registry T1012↗

Bazar can query Windows\CurrentVersion\Uninstall for installed applications.4 5

Discovery27 detection rules

System Network Configuration Discovery T1016↗

Bazar can collect the IP address and NetBIOS name of an infected machine.6

Discovery25 detection rules

Remote System Discovery T1018↗

Bazar can enumerate remote systems using Net View.7

Discovery39 detection rules

Software Packing T1027.002↗

Bazar has a variant with a packed payload.8 9

Stealth1 detection rules

Standing S0534

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

Techniques51Top 1%

99th percentile · 99% of 825 ATT&CK software entries have this many Enterprise techniques or fewer.

Tactics9Top 11%

89th percentile · 89% of 825 ATT&CK software entries have this many tactics spanned or fewer.

Threat groups261% 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 / technique14med29th pct

29th percentile · 71% of 825 ATT&CK software entries have more detection rules per technique.

Tests / technique5med

Detection coverage S0534

1484 distinct rules cover the 51 techniques recorded for this tool. The 1694 technique-to-rule mappings resolve to 1484 distinct rules, because one rule can cover several techniques. 976 Sigma · 508 Splunk.

47 covered by at least one rule4 with no coverage1484 distinct rules in total

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MITRE reference S0534

Reach

Coverage

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