Breaches and incidents

FatBoyPanel (India): banking trojan campaign leaks stolen data of ~50,000 Indian users through open Firebase buckets

Zimperium zLabs found about 900 to 1,000 malicious APKs spread over WhatsApp as government or banking apps, mainly targeting Indian bank customers.

Disclosed
Verification
Checked against a primary source

What happened

  • Zimperium zLabs found about 900 to 1,000 malicious APKs spread over WhatsApp as government or banking apps, mainly targeting Indian bank customers; over 222 publicly accessible Firebase storage buckets held about 2.5 GB of victims’ bank SMS, card and bank details and government ID data, an estimated 50,000 users.
  • Technique: SMS forwarding to about 1,000 live attacker phone numbers (about 63% registered in West Bengal, Bihar and Jharkhand), Firebase exfiltration with no authentication, overlay login screens, hidden icons, uninstall resistance.
  • Attacker: FatBoyPanel operation (unnamed operators).
  • Response: Zimperium published findings; no arrests reported.