Disk Content Wipe

Adversaries may erase the contents of storage devices on specific systems or in large numbers in a network to interrupt availability to system and network resources. Adversaries may partially or completely overwrite the contents of a storage device rendering the data irrecoverable through the storage interface.(Citation: Novetta Blockbuster)(Citation: Novetta Blockbuster Destructive Malware)(Citation: DOJ Lazarus Sony 2018) Instead of wiping specific disk structures or files, adversaries with destructive intent may wipe arbitrary portions of disk content. To wipe disk content, adversaries may acquire direct access to the hard drive in order to overwrite arbitrarily sized portions of disk with random data.(Citation: Novetta Blockbuster Destructive Malware) Adversaries have also been observed leveraging third-party drivers like [RawDisk](https://attack.mitre.org/software/S0364) to directly access disk content.(Citation: Novetta Blockbuster)(Citation: Novetta Blockbuster Destructive Malware) This behavior is distinct from [Data Destruction](https://attack.mitre.org/techniques/T1485) because sections of the disk are erased instead of individual files. To maximize impact on the target organization in operations where network-wide availability interruption is the goal, malware used for wiping disk content may have worm-like features to propagate across a network by leveraging additional techniques like [Valid Accounts](https://attack.mitre.org/techniques/T1078), [OS Credential Dumping](https://attack.mitre.org/techniques/T1003), and [SMB/Windows Admin Shares](https://attack.mitre.org/techniques/T1021/002).(Citation: Novetta Blockbuster Destructive Malware)

Linked Issues

Issuelinks
Linktyp	Issue
is related to	Techniques
is blocked by	Data Backup
is blocked by	Detection Strategy for Disk Content Wipe via Direct Access and Overwrite
is blocked by	Business Continuity Management System (BCMS)
is blocked by	Alternate Processing Site
is blocked by	Data Backups
is blocked by	Technology Assets, Applications and/or Services (TAAS) Recovery & Reconstitution
is blocked by	Secure Baseline Configurations
is blocked by	Continuous Monitoring
is blocked by	Malicious Code Protection (Anti-Malware)
is blocked by	Endpoint File Integrity Monitoring (FIM)
is blocked by	Access Enforcement
is blocked by	Least Privilege

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