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The Massive Mobile Security Framework (MMSF) now includes a module to download APKs from a device’s work profile by reinstalling them on the personal profile. This technique enhances mobile security assessments by enabling deeper analysis of apps in managed environments.
🔗 Reference: GitHub – MMSF
You Should Know:
1. How to Extract APKs from Work Profile
MMSF automates APK extraction from Android’s work profile, which is useful for penetration testers analyzing enterprise apps. Below are the steps and commands:
Prerequisites:
- ADB (Android Debug Bridge) installed
- MMSF framework cloned from GitHub
- A rooted Android device (or emulator with work profile enabled)
Steps:
1. Clone MMSF:
git clone https://github.com/St3v3nsS/MMSF.git cd MMSF
2. Enable ADB & Connect Device:
adb devices adb shell
3. List Work Profile Apps:
pm list packages --user 10 Work profile user ID is usually 10
4. Extract APK Using MMSF:
python3 mmsf.py --extract-apk --package com.target.app --user 10
5. Pull APK to Local Machine:
adb pull /data/local/tmp/extracted.apk ./work_profile_app.apk
2. Analyzing Extracted APKs
Once extracted, analyze the APK using:
Static Analysis with `jadx`:
jadx-gui work_profile_app.apk
Dynamic Analysis with `Frida`:
frida -U -f com.target.app -l hook.js
Checking for Vulnerabilities with `MobSF`:
docker run -it --rm -p 8000:8000 opensecurity/mobile-security-framework-mobsf
3. Bypassing Work Profile Restrictions
Some apps enforce work profile isolation. Bypass techniques include:
- Repackaging APK:
apktool d work_profile_app.apk apktool b work_profile_app -o modified.apk
-
Using `pm install` with `–user` flag:
adb install --user 0 modified.apk Install in main profile
What Undercode Say:
Extracting and analyzing APKs from work profiles is critical for uncovering security flaws in enterprise apps. MMSF simplifies this process, but manual validation with tools like Frida, Jadx, and MobSF ensures thorough testing. Always test in a controlled environment to avoid policy violations.
Prediction:
As Android work profiles become more common, automated extraction and analysis tools like MMSF will evolve to include zero-click APK dumping and cloud-based dynamic analysis, reducing reliance on physical device access.
Expected Output:
- Extracted APK from work profile
- Decompiled source code for analysis
- Identified security vulnerabilities (hardcoded keys, insecure APIs)
- Successful installation in personal profile for further testing
IT/Security Reporter URL:
Reported By: Ionut Morosan – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
