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MITRE ATT&CK® Malware

S1180: BlackByte Ransomware

BlackByte Ransomware is uniquely associated with BlackByte operations. BlackByte Ransomware used a common key for infections, allowing for the creation of a universal decryptor.[1][2] BlackByte Ransomware was replaced in BlackByte operations by BlackByte 2.0 Ransomware by 2023.[3][4]

EnterpriseS1180MalwareObject v1.0Modified
Glexia's Take · Automated analysis

Security context for executives and security teams

Automation confidenceMedium

S1180: BlackByte Ransomware describes [BlackByte Ransomware](https://attack.mitre.org/software/S1180) is uniquely associated with [BlackByte](https://attack.mitre.org/groups/G1043) operations. [BlackByte Ransomware](https://attack.mitre.org/software/S1180) used a common key for infections, allowing for the creation of a universal decryptor.(Citation: Trustwave BlackByte 2021)(Citation: FBI BlackByte 2022) [BlackByte Ransomware](https://attack.mitre.org/software/S1180) was replaced in [BlackByte](https://attack.mitre.org/groups/G1043) operations by [Bla...

Executive priority

S1180: BlackByte Ransomware is an official MITRE ATT&CK software. Glexia treats it as defensive behavior context for prioritizing monitoring, control validation, and response planning without using the object by itself as an attribution claim.

Technical view

Security teams should validate S1180: BlackByte Ransomware by reviewing the official ATT&CK relationships, mapped tactics (the mapped ATT&CK tactic context), supported platforms (Windows), and available local telemetry before making detection or mitigation decisions.

Likely telemetry

  • Official ATT&CK relationships and object metadata
  • Network, endpoint, and security-tool telemetry

Detection direction

  • Validate whether S1180: BlackByte Ransomware appears in your detection coverage and tabletop scenarios.
  • Use the object to align executive risk language with SOC, incident response, and detection engineering work.
  • Do not treat ATT&CK relationship context as attribution without corroborating evidence.

Mitigation priorities

  • Map the object to existing controls and identify missing telemetry or response ownership.
  • Prioritize mitigations that reduce exposure on the listed platforms and tactics.
  • Review adjacent ATT&CK relationships before changing policy, detections, or reporting language.
Additional notes and limits

Baseline Glexia take generated from the official MITRE ATT&CK STIX object, source hash, tactics, platforms, and detection fields. It is safe to replace with a richer model-generated take for the same source hash later.

This baseline take is source-grounded and schema-validated, but it does not include environment-specific telemetry, incident evidence, or threat-intelligence corroboration.

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Official MITRE ATT&CK definition

BlackByte Ransomware

BlackByte Ransomware is uniquely associated with BlackByte operations. BlackByte Ransomware used a common key for infections, allowing for the creation of a universal decryptor.[1][2] BlackByte Ransomware was replaced in BlackByte operations by BlackByte 2.0 Ransomware by 2023.[3][4]

View the same entry on attack.mitre.org (MITRE-hosted reference; in-page links above use the Glexia ATT&CK library.)

Glexia analysis

How security teams should use this page

Treat this object as behavior context, not an attribution claim. Validate the related groups, software, data sources, and mitigations against official ATT&CK relationships and your own telemetry before making control-coverage decisions.

ATT&CK relationship table

Techniques used

This mirrors the MITRE pattern of making group, software, campaign, and technique relationships scannable. Relationship notes come from mirrored ATT&CK relationship text when available.

21 rows
DomainIDNameRelationship / procedure
EnterpriseT1135Network Share Discovery

BlackByte Ransomware can identify network shares connected to the victim machine.[1]

EnterpriseT1486Data Encrypted for Impact

BlackByte Ransomware is ransomware using a shared key across victims for encryption.[1]

EnterpriseT1012Query Registry

BlackByte Ransomware enumerates the Registry, specifically the `HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options` key.[1]

EnterpriseT1059.007JavaScriptSub-technique

BlackByte Ransomware is distributed as a JavaScript launcher file.[1]

EnterpriseT1570Lateral Tool Transfer

BlackByte Ransomware spreads itself laterally by writing the JavaScript launcher file to mapped shared folders.[1]

EnterpriseT1082System Information Discovery

BlackByte Ransomware gathers victim system information to generate a unique victim identifier.[1]

EnterpriseT1053.005Scheduled TaskSub-technique

BlackByte Ransomware creates a schedule task to execute remotely deployed ransomware payloads.[1]

EnterpriseT1490Inhibit System Recovery

BlackByte Ransomware deletes all volume shadow copies and restore points among other actions to inhibit system recovery following ransomware deployment.[1]

EnterpriseT1689Downgrade Attack

BlackByte Ransomware enables SMBv1 during execution.[1]

EnterpriseT1046Network Service Discovery

BlackByte Ransomware identifies remote systems via active directory queries for hostnames prior to launching remote ransomware payloads.[1]

EnterpriseT1027.013Encrypted/Encoded FileSub-technique

BlackByte Ransomware is distributed as an encrypted payload.[1]

EnterpriseT1685Disable or Modify Tools

BlackByte Ransomware adds .JS and .EXE extensions to the Microsoft Defender exclusion list. BlackByte Ransomware terminates and removes the Raccine anti-ransomware utility.[1]

EnterpriseT1106Native API

BlackByte Ransomware uses the `SetThreadExecutionState` API to prevent the victim system from entering sleep.[1]

EnterpriseT1222.001Windows PermissionsSub-technique

BlackByte Ransomware uses the `mountvol.exe` command to mount volume names and leverages the Microsoft Discretionary Access Control List tool, `icacls.exe`, to grant the group to “Everyone” full access to the root of the drive.[1]

EnterpriseT1112Modify Registry

BlackByte Ransomware modifies the victim Registry to prevent system recovery.[1]

EnterpriseT1480Execution Guardrails

BlackByte Ransomware creates a mutex value with a hard-coded name, and terminates if that mutex already exists on the victim system. BlackByte Ransomware checks the system language to see if it matches one of a list of hard-coded values; if a match is found, the malware will terminate.[1]

EnterpriseT1140Deobfuscate/Decode Files or Information

BlackByte Ransomware is distributed as an obfuscated JavaScript launcher file.[1]

EnterpriseT1021.002SMB/Windows Admin SharesSub-technique

BlackByte Ransomware uses mapped shared folders to transfer ransomware payloads via SMB.[1]

EnterpriseT1614.001System Language DiscoverySub-technique

BlackByte Ransomware identifies the language on the victim system.[1]

EnterpriseT1518.001Security Software DiscoverySub-technique

BlackByte Ransomware looks for security software products prior to full execution.[1]

EnterpriseT1497.001System ChecksSub-technique

BlackByte Ransomware checks for files related to known sandboxes.[1]

Associated objects

Groups, software, and campaigns

GroupEnterprise

G1043: BlackByte

BlackByte is a ransomware threat actor operating since at least 2021. BlackByte is associated with several versions of ransomware also labeled BlackByte Ransomware. BlackByte ransomware operations initially used a common encryption key allowing for the development of a universal decryptor, but subsequent versions such as BlackByte 2.0 Ransomware use more robust encryption mechanisms. BlackByte is notable for operations targeting critical infrastructure entities among other targets across North America.[1][2][3][4][5]

Relationship explorer

All related ATT&CK context

Change history

Object version and sync metadata

The fields below describe the current mirrored snapshot. When Glexia retains multiple ATT&CK source imports, you can open the table to compare the same object across releases (hashes and MITRE timestamps). For MITRE’s own release notes and roadmap, see ATT&CK resources — Updates.

ATT&CK release
19.2
Object version
1.0
Created
Modified
Raw hash
11b8ace2e09decce...
Imported snapshots across ATT&CK releases(2)
ReleaseBundle importedObject versionModifiedStatusRaw hash
19.21.0Current bundle11b8ace2e09d…
19.11.0Older bundle11b8ace2e09d…
Raw source

Mirrored ATT&CK source object

The raw object is retained through the mirrored ATT&CK source bundle and object hash. The raw endpoint returns the exact object from the mirrored bundle when available.

Source references

External references and citations

MITRE external references are preserved separately from Glexia analysis so citations remain traceable to their original source records.

  1. [1]
    Trustwave BlackByte 2021

    Rodel Mendrez & Lloyd Macrohon. (2021, October 15). BlackByte Ransomware – Pt. 1 In-depth Analysis. Retrieved December 16, 2024.

    Open source URL
  2. [2]
    FBI BlackByte 2022

    US Federal Bureau of Investigation & US Secret Service. (2022, February 11). Indicators of Compromise Associated with BlackByte Ransomware. Retrieved December 16, 2024.

    Open source URL
  3. [3]
    Microsoft BlackByte 2023

    Microsoft Incident Response. (2023, July 6). The five-day job: A BlackByte ransomware intrusion case study. Retrieved December 16, 2024.

    Open source URL
  4. [4]
    Cisco BlackByte 2024

    James Nutland, Craig Jackson, Terryn Valikodath, & Brennan Evans. (2024, August 28). BlackByte blends tried-and-true tradecraft with newly disclosed vulnerabilities to support ongoing attacks. Retrieved December 16, 2024.

    Open source URL
  5. [5]
    mitre-attackS1180
    Open source URL
Source and licensing

Source: MITRE ATT&CK®. © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. MITRE ATT&CK and ATT&CK are registered trademarks of The MITRE Corporation. Glexia is not affiliated with or endorsed by MITRE.