BFG Agonizer wipes the boot sector of infected machines to inhibit system recovery.2
tool
BFG Agonizer S1136
- Type
- malware
- Platform
- Windows
- Created
- 22 May 2024
- Last modified
- 29 August 2024
BFG Agonizer is a wiper related to the open-source project CRYLINE-v.5.0. The malware is associated with wiping operations conducted by the Agrius threat actor.[1]
4
TechniquesBottom 17%
2
TacticsBottom 12%
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 S1136
BFG Agonizer uses elevated privileges to call NtRaiseHardError to induce a "blue screen of death" on infected systems, causing a system crash. Once shut down, the system is no longer bootable.3
BFG Agonizer uses DLL unhooking to remove user mode inline hooks that security solutions often implement. BFG Agonizer also uses IAT unhooking to remove user-mode IAT hooks that security solutions also use.4
BFG Agonizer retrieves a device handle to \\\\.\\PhysicalDrive0 to wipe the boot sector of a given disk.5
Standing S1136
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
Techniques4Bottom 17%
17th percentile · 83% of 825 ATT&CK software entries have more Enterprise techniques.
Tactics2Bottom 12%
12th percentile · 88% of 825 ATT&CK software entries have more tactics spanned.
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 / technique13medBottom 25%
25th percentile · 75% of 825 ATT&CK software entries have more detection rules per technique.
Tests / technique6.5med
Detection coverage S1136
73 distinct rules cover the 4 techniques recorded for this tool. 42 Sigma · 31 Splunk.
4 covered by at least one rule73 distinct rules in total
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