---
title: "Android crackme challenge"
description: "Android crackme that uses system's internals"
canonical_url: "https://www.romainthomas.fr/post/android-crackme/"
authors: ["Romain Thomas"]
date_published: "2018-11-20T00:00:00Z"
date_modified: "2026-08-04T19:33:35+02:00"
language: "en-US"
section: "post"
tags: ["android","challenge","crackme"]
categories: ["Android","Challenge"]
---

# Android crackme challenge

> Android crackme that uses system's internals

> **Note**
This post has been originally posted on the <a href=https://blog.quarkslab.com/android-challenge.html>Quarkslab's Blog</a>


Here is an Android crackme developed for the Android training given at Quarkslab.

The objective is to find the correct phone number that leads to the following message:

![success](screen.png)

The application can be run on an emulator or a real device (whatever the architecture) but the Android version must be at **least Marshmallow** (> 6.0).

[crackme-telegram.apk.zip](crackme-telegram.apk.zip) - ``SHA256: d66b82ebc14708b214a581760e99894af17e10598bcef95e75441a12b948bbf0``

Password is ``cr4ckm3``