Static and Dynamic Analysis.
In this blog i will be taking you through the tour of reversing the alleged malware app F-droid.
Analysis: Hammering off “F-droid” app
Static Analysis:-[Basic]
Hash’s:Hash’s of F-droid 1.10
Information about app :info. of App.
Certificate Info:Certificate Information shows 2 false signature.
App Permissions:In image we can see app has access to many malicious permissions.
Obfuscation and Anti-VM Code:Anti-VM code and Anti-Debug Code used.
Code Analysis:
App logs into the sensitive information, has weak hash’s, sensitive to SQL injection, app files contains hard-coded usernames and passwords, consists of insecure RNG and discloses the IP address.
Urls:URLs found during static analysis of app.
Activities Run by App:Activities found during static analysis of app.
Services run by App:
Receivers:
Dynamic Analysis:-
URLs:Urls found during dynamic analysis.
Emails:
C2 Server:
148[.]251[.]140[.]42 & 217[.]160[.]165[.]113
Communicating Files with C2 Server:
Files cmmunicating with C2 server.Conclusion:
C2 server of F-droid app is hosting many apps that are legit hacking tools malware.
That’s all for today.
Article Link: https://medium.com/@0xthreatintel/f-droid-malware-internals-fefdc6307f05?source=rss-a15183055fd6------2