Detection of Data Manipulation

Technique Detected:  Data Manipulation | T1641

ID: DET0660
Domains: Mobile
Analytics: AN1750
Version: 1.0
Created: 21 October 2025
Last Modified: 12 May 2026

Analytics

AN1750

For Android, detect Data Manipulation from documented management, network, or vetting evidence; treat state queries as periodic observations rather than real-time events. Correlate API Calls via Application Vetting / Instrumented Dynamic Analysis [Dynamic API/runtime trace: ContentResolver.update() called by writer_app NOT IN $LegitimateIPCPartners$ for target_app's content provider URI]; Application State via Android Enterprise / EMM [Managed package inventory/status and package metadata]; File Modification via Application Vetting / Forensic Acquisition [Dynamic filesystem trace or acquired app-container/filesystem artifacts: ContentResolver.update() or write() to path owned by target_app IN $HighValueAppList$ by writer_app != target_app — cross-app data modification]. Alert on a sequence or state change inconsistent with the device/app baseline, approved management policy, or expected user workflow; do not infer unobserved API calls, file/process activity, or payload content from management state alone.

Log Sources
Data Component Name Channel
API Calls (DC0112) mobile:DynamicAnalysis Dynamic API/runtime trace: ContentResolver.update() called by writer_app NOT IN $LegitimateIPCPartners$ for target_app's content provider URI
Application State (DC0123) android:EMM Managed package inventory/status and package metadata
File Modification (DC0061) mobile:ForensicArtifacts Dynamic filesystem trace or acquired app-container/filesystem artifacts: ContentResolver.update() or write() to path owned by target_app IN $HighValueAppList$ by writer_app != target_app — cross-app data modification
Mutable Elements
Field Description
HighValueAppList Banking, payment, enterprise auth, HR apps. Derive from MDM catalog by data tier.
LegitimateIPCPartners Apps with declared content provider client relationships to target. Derive from app IPC graph.