Malware2021

BlackByte

2Rules

3References

1Folders

2025-10-21Latest

Summary

BlackByte is tracked here as a malware family or toolset with 2 Sigma detections spanning 2021. Coverage centers on windows / process_creation, windows / registry_set.

Related Detections

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Emerging Threathightest

Blackbyte Ransomware Registry

Detects specific windows registry modifications made by BlackByte ransomware variants. BlackByte set three different registry values to escalate privileges and begin setting the stage for lateral movement and encryption. This rule triggers when any of the following registry keys are set to DWORD 1, however all three should be investigated as part of a larger BlackByte ransomware detection and response effort.

WindowsRegistry Set

TA0003 · PersistenceTA0005 · StealthT1112 · Modify Registrydetection.emerging-threats

François HubautMon Jan 242021

Emerging Threathightest

Potential BlackByte Ransomware Activity

Detects command line patterns used by BlackByte ransomware in different operations

WindowsProcess Creation

TA0002 · ExecutionTA0005 · StealthTA0040 · ImpactT1485 · Data Destruction+4

Florian Roth (Nextron Systems)Fri Feb 252021

References