S0400: RobbinHood
RobbinHood is ransomware that was first observed being used in an attack against the Baltimore city government's computer network.[1][2]
Security context for executives and security teams
S0400: RobbinHood describes [RobbinHood](https://attack.mitre.org/software/S0400) is ransomware that was first observed being used in an attack against the Baltimore city government's computer network.(Citation: CarbonBlack RobbinHood May 2019)(Citation: BaltimoreSun RobbinHood May 2019)
Executive priority
S0400: RobbinHood 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 S0400: RobbinHood 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 S0400: RobbinHood 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.
RobbinHood
RobbinHood is ransomware that was first observed being used in an attack against the Baltimore city government's computer network.[1][2]
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.
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.
| Domain | ID | Name | Relationship / procedure |
|---|---|---|---|
| Enterprise | T1490 | Inhibit System Recovery | RobbinHood deletes shadow copies to ensure that all the data cannot be restored easily.[1] |
| Enterprise | T1489 | Service Stop | RobbinHood stops 181 Windows services on the system before beginning the encryption process.[1] |
| Enterprise | T1070.005 | Network Share Connection RemovalSub-technique | RobbinHood disconnects all network shares from the computer with the command |
| Enterprise | T1685 | Disable or Modify Tools | RobbinHood will search for Windows services that are associated with antivirus software on the system and kill the process.[1] |
| Enterprise | T1486 | Data Encrypted for Impact | RobbinHood will search for an RSA encryption key and then perform its encryption process on the system files.[1] |
| Enterprise | T1059.003 | Windows Command ShellSub-technique | RobbinHood uses cmd.exe on the victim's computer.[1] |
All related ATT&CK context
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.
Imported snapshots across ATT&CK releases(2)
| Release | Bundle imported | Object version | Modified | Status | Raw hash |
|---|---|---|---|---|---|
| 19.2 | 1.1 | Current bundle | 628238fcf08a… | ||
| 19.1 | 1.1 | Older bundle | 628238fcf08a… |
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.
External references and citations
MITRE external references are preserved separately from Glexia analysis so citations remain traceable to their original source records.
- [1]CarbonBlack RobbinHood May 2019
Lee, S. (2019, May 17). CB TAU Threat Intelligence Notification: RobbinHood Ransomware Stops 181 Windows Services Before Encryption. Retrieved July 29, 2019.
Open source URL - [2]BaltimoreSun RobbinHood May 2019
Duncan, I., Campbell, C. (2019, May 7). Baltimore city government computer network hit by ransomware attack. Retrieved July 29, 2019.
Open source URL - [3]mitre-attackS0400Open source URL
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