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Whitearmor Ransomware: Data Breach of AmplifAI GoDaddy Instance

The Whitearmor ransomware group exfiltrated a large-scale employee database, login logs, and operational rosters from a GoDaddy AmplifAI instance, exposing Okta SSO and Office 365 federation details.

Triage facts

Revision 1
Applicability
AmplifAI (GoDaddy instance)
Evidence
Unknown
Severity
High
Action
Elevated
Sources
1 public source
Freshness
Revision 1Nov 1, 23:00 UTC
Detection
1 IOC
Source quality
B2Almost certain

The Whitearmor ransomware group has claimed a successful breach of an AmplifAI instance used by GoDaddy. The actors exfiltrated a significant volume of data, including a database of 13,565 employees, operational rosters, and login logs detailing device usage and access locations. The leak confirms that the compromised instance is integrated with the GoDaddy Okta tenant, providing specific application IDs and federation metadata for Okta and Office 365. This presents a high risk of credential stuffing or session hijacking against the affected identity providers.

Impact

The exfiltrated dataset contains sensitive employee information (names, emails, employee IDs, and password hashes/states) for over 13,500 individuals. Additionally, the exposure of Okta SSO and O365 federation parameters creates a direct risk for identity-based attacks targeting GoDaddy corporate systems.

Recommendation

  • Review Okta and Office 365 logs for anomalous access originating from accounts identified in the leaked database.
  • Revoke and rotate credentials for any accounts found with non-default passwords in the leaked 'all_users.json' file.
  • Monitor for unauthorized OIDC/SAML application access attempts utilizing the exfiltrated Application IDs (e.g., exksdlj2ty3Pfq9En0x7).
  • Implement or enforce phishing-resistant Multi-Factor Authentication (MFA) for the identified GoDaddy Okta tenant.

Immediate actions

Check Okta audit logs for anomalous logins related to App ID exksdlj2ty3Pfq9En0x7

Identity Team 24h

Threat Hunt

Hunt for credential stuffing attempts or unusual API authentication calls to the GoDaddy Okta /api/v1/authn endpoint.

T1110 high high confidence hunt now

Data: Okta System Log

Mitigations

Rotate all credentials for users identified in the leaked database as having non-default passwords.

immediate IT Operations

Credential theft

Indicators of compromise

1

url

TypeValue
urlhttp://whitearz6uvtfdefgsc4r3mzmyswtte65k5umcmv6cu6zhi4l5k4irad.onion