Trickbot Adds Remote Application Credential-Grabbing Capabilities to Its Repertoire


In November 2018, we covered a Trickbot variant that came with a password-grabbing module, which allowed it to steal credentials from numerous applications. In January 2019, we saw Trickbot (detected as TrojanSpy.Win32.TRICKBOT.AZ and Trojan.Win32.MERETAM.AD) with new capabilities added to its already extensive bag of tricks. Its authors clearly aren’t done updating Trickbot — we recently found a new variant that uses an updated version of the pwgrab module that lets it grab remote application credentials.

Technical Analysis

The malware arrives via an email disguised as a tax incentive notification from a major financial services company. This email includes a macro enabled (XLSM) Microsoft Excel spreadsheet attachment (detected as Trojan.W97M.MERETAM.A) that purportedly contains the details of the tax incentive.

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Source: Trend Micro