Incident Score: Analysis & Impact (GS-1788150360)

Rankiteo's analysis has identified several MITRE ATT&CK tactics and techniques associated with this incident, each with varying levels of confidence based on available evidence. Under the Initial Access tactic, the analysis identified Exploit Public-Facing Application (T1190) with moderate to high confidence (80%), supported by evidence indicating attacker exploited a vulnerability in the app’s identity verification system and Brute Force: Credential Stuffing (T1110.004) with high confidence (90%), supported by evidence indicating credential-stuffing attack that exposed the data of 1.66 million users. Under the Credential Access tactic, the analysis identified Brute Force: Credential Stuffing (T1110.004) with high confidence (90%), supported by evidence indicating attackers extracting names, birthdates, contact details, addresses, email addresses and Valid Accounts (T1078) with moderate to high confidence (80%), supported by evidence indicating same 327 IP addresses being used in both GS SHOP and GS25 incidents. Under the Discovery tactic, the analysis identified Account Discovery (T1087) with moderate to high confidence (70%), supported by evidence indicating attempting logins with 16,803 mobile phone numbers. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating 736 user profiles...leaking nicknames, gender, photos, dates of birth, height, blood type and Data from Information Repositories (T1213) with moderate to high confidence (80%), supported by evidence indicating 1.66 million users...names, birthdates, contact details, addresses, email addresses. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating data breach exposing sensitive user information. Under the Defense Evasion tactic, the analysis identified Valid Accounts (T1078) with moderate to high confidence (80%), supported by evidence indicating failure to detect excessive access attempts from the same IP address and Impair Defenses: Disable or Modify Tools (T1562.001) with moderate confidence (60%), supported by evidence indicating absence of rate-limiting measures and delayed threat detection. Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (40%), supported by evidence indicating large-scale data breaches that exposed sensitive user information. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.