From zero to Zanubis

 A few weeks ago we stumbled upon a suspicious Android sample from a tweet from @malwrhunterteam which was only detected by four antivirus engines:

Antivirus verdicts didn’t provide specifics about the malware family other than it might be either a banking trojan or spyware, so a first approach to continue the investigation is finding other similar samples that will help provide a picture of this malware family. Continuing with the example, the first step is checking the “Relations” tab in the VirusTotal report to find other related IOCs (Indicators of Compromise). In this case we can observe a few interesting “Contacted URLs” obtained during sandbox detonation:


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