T1593 – Search Open Web Sites (Brand Monitoring Detection)

Brand Monitoring Alert Details

Alert ID: BRAND-OPENWEB-7842
Alert Time: 2024-02-09 11:30:45 EST
Severity: MEDIUM (68/100)
Source: ZeroFox Brand Protection Platform
Rule: “Impersonating Social Media Account Detected”
MITRE ATT&CK: T1593 – Search Open Websites/Domains

Alert Details:

Finding Type: Impersonation/Squatting Detection

Platform: Twitter/X

Account: @CompanySupport_US

Created: 2024-02-08

Followers: 47

Following: 12

Tweets: 8

Account Content:

– Profile Picture: Company logo (copied from website)

– Bio: “Official Customer Support for [Company Name]. DM for assistance.”

– Tweets:

  1. “Having issues with your account? DM us for quick resolution!”

  2. “Security alert: We’re seeing unusual activity. Verify your account: [link]”

  3. “Password reset link: hxxp://company-support-verify[.]com”

  4. “2FA not working? Contact us for immediate help.”

Linked Domains:

– company-support-verify[.]com (registered 2024-02-07)

  – Registrar: Namecheap

  – Hosting: 185.143.221[.]45

  – Content: Fake login page mimicking company portal

Additional Findings:

– Similar accounts on Facebook (@CompanyHelpDesk) and Instagram (@Company_Care)

– Total 3 impersonation accounts across platforms

– All created within last 48 hours

– Pattern suggests coordinated phishing campaign

SOC Investigation Process

StepActionTools UsedFindings
1. Alert ValidationVerify impersonation accountsZeroFox, Manual ReviewAll 3 accounts confirmed fake
2. Takedown RequestsReport to platformsTwitter/FB/IG Abuse FormsAll accounts reported within 1 hour
3. Domain TakedownReport malicious domainNamecheap Abuse, Hosting ProviderDomain suspended by evening
4. Customer NotificationAlert customers about scamSocial Media Posts, EmailWarning posted on official channels
5. Internal ReviewCheck for compromised customersSupport Tickets, Login LogsNo confirmed compromises yet

Jira Incident Report

Ticket: SOC-2024-047
Summary: T1593 – Impersonation Campaign on Social Media
Status: RESOLVED
Resolution: PHISHING CAMPAIGN – Takedown Complete
Priority: P2 – MEDIUM
Labels: T1593, open-web, social-media, impersonation, brand-protection
Components: Brand-Security, Customer-Protection


INCIDENT ANALYSIS REPORT

1. Initial Context:

  • Detection Source: ZeroFox Brand Protection Platform.
  • Alert: “Impersonating Social Media Account Detected”.
  • Platforms: Twitter, Facebook, Instagram.
  • Time: 2024-02-09 11:30 EST.
  • Technique: MITRE ATT&CK T1593 – Search Open Websites/Domains.

2. Technical Analysis:

  • Impersonation Details:

Twitter/X Account: @CompanySupport_US

  • Created: 2024-02-08
  • Followers: 47 (likely victims or bots)
  • Tweets: 8, all directing to phishing domain
  • Profile: Copied company branding

Facebook Page: CompanyHelpDesk

  • Created: 2024-02-08
  • Likes: 23
  • Posts: 5, similar support-themed phishing

Instagram Account: @Company_Care

  • Created: 2024-02-08
  • Followers: 31
  • Stories: 3 with phishing links
  • Infrastructure:
  • Domain: company-support-verify[.]com
  • Registrar: Namecheap (registered 2024-02-07)
  • Hosting IP: 185.143.221[.]45 (Bulgaria)
  • Content: Fake login page capturing credentials
  • SSL Certificate: Issued to “Company Support” (fraudulent)
  • Campaign Pattern:
  • All accounts created within 48-hour window
  • Coordinated messaging around “support” and “account issues”
  • Targets customers seeking help
  • Phishing domain mimics company login portal

3. Investigation Findings:

  • Timeline:

2024-02-07: Phishing domain registered

2024-02-08: All 3 social accounts created

2024-02-08 to 2024-02-09: Accounts begin posting

2024-02-09 11:30: ZeroFox detects and alerts

2024-02-09 12:00: Takedown requests submitted

2024-02-09 14:00: Twitter account suspended

2024-02-09 15:00: Facebook/Instagram removed

2024-02-09 18:00: Domain suspended by registrar

  • Impact Assessment:
  • No confirmed customer compromises yet
  • 47 Twitter followers may have been exposed
  • Support tickets reviewed: no related complaints

4. Containment Actions:

  • Platform Takedowns (12:00-15:00 EST):
  • Twitter: Account reported and suspended within 2 hours.
  • Facebook: Page removed within 3 hours.
  • Instagram: Account removed within 3 hours.
  • Domain Takedown (12:00-18:00 EST):
  • Reported to Namecheap abuse.
  • Domain suspended by evening.
  • IP blocked at firewall and DNS.
  • Customer Notification:
  • Official company accounts posted warnings.
  • Email sent to customer base.
  • Support team briefed on handling related calls.

5. Root Cause Analysis:

  • Primary Cause: Attackers exploiting customer trust through impersonation.
  • Contributing Factors:
  1. Easy to create fake accounts on social platforms.
  2. Customers may not verify official channels.
  3. Brand has large customer base (attractive target).

6. Business Impact:

  • Customer Trust: Potential erosion if customers fall victim.
  • Financial Impact: None confirmed.
  • Reputational Impact: MEDIUM – Impersonation undermines brand confidence.

7. Remediation & Prevention:

Completed Actions:

  • checkedAll impersonation accounts removed.
  • checkedPhishing domain suspended.
  • checkedCustomers notified.
  • checkedIP/domain added to blocklists.

Prevention Enhancements:

  • checkedExpanded brand monitoring to additional platforms.
  • checkedCreated rapid takedown playbook.
  • checkedEnhanced customer communication about official channels.
  • checkedImplemented social media verification badges where possible.

8. Conclusion:

This incident involved a coordinated impersonation campaign targeting company customers through fake social media accounts. All accounts and associated phishing infrastructure have been taken down. Customer notifications and enhanced monitoring will help prevent future incidents.

Closure Rationale: Takedown complete; customers notified; monitoring enhanced.

Analyst: [Walter White], SOC Analyst
Date: 2024-02-09 19:00 EST

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