Intro Dridex mostly comes to us as spam which contains a .doc with some macros, responsible for downloading a dropper. One can quickly analyze it using oledump.py and looking through vbscript, or naturally, just try to run it in a sandbox and obtain the dropped files. CFG extraction After …

Recently, we obtained a sample of a new Android banking trojan, named GMBot, which tries to be self-contained (i.e. does not need Windows counterpart) and uses application overlay as a poor man’s webinjects substitute. This malware uses known and common techniques, but implements them in a way similar …

Zaufana Trzecia Strona – a Polish security news portal – informed about a new attack on Polish user’s (link is in Polish) that used a Microsoft Office plugin install wizard as a decoy. In reality, the user not only installed the plugin, but also a malware called Smoke Loader. It allows …

In the previous entry we showed examples of domains, which could be easily missclassified as DGA botnet domains. Most of them are machine generated and used in a non-malicious manner. In this entry, conversely, we will present examples of pseudo random domains, which could be used in attacks or be …

iBanking malware was already described on our blog in connection with the attacks targeting Polish e-banking users at the end of 2013. This malware posed as a mobile antivirus application, while in reality it was use to steal one time passwords that were sent via text message. The attack scenario …