Google Messages Database (bugle_db)

Location

Description

SQLite database used by the Google Messages application, which serves as the default SMS/RCS client on most modern Android devices. Contains conversation threads, individual message parts, participant information, and RCS (Rich Communication Services) chat features including read receipts, typing indicators, and high-resolution media sharing metadata.

Forensic Value

Google Messages bugle_db often contains richer data than the legacy mmssms.db because it includes RCS chat metadata such as delivery and read receipt timestamps, providing proof that a message was not only delivered but also viewed by the recipient. The parts table stores references to shared media files. Conversation metadata includes draft messages that were composed but never sent, which can reveal intent. On devices using RCS, this database may be the only location where enhanced messaging content is stored.

Tools Required

Collection Commands

adb pull /data/data/com.google.android.apps.messaging/databases/bugle_db /forensics/output/

python3 aleapp.py -t tar -i /path/to/extraction -o /forensics/output/

adb backup -noapk com.google.android.apps.messaging -f messages_backup.ab

Collection Constraints

• •Availability depends on Android version, OEM build, encryption state, privilege level, and whether the collection was logical, rooted, or full-filesystem. OEM-specific builds may move or rename stores.
• •Mobile application data may be partially cached, excluded from backup, or pruned by the OS. Validate against the extraction type before treating gaps as meaningful.

MITRE ATT&CK Techniques

References