We analyzed samples of EMOTET, URSNIF, DRIDEX and BitPaymer and found similar payload loaders and internal data structures, possibly implying that these different groups are familiar with and are working closely together.Read More
In early December, GoldenEye ransomware (detected by Trend Micro as RANSOM_GOLDENEYE.A) was observed targeting German-speaking users—particularly those belonging to the human resource department. GoldenEye, a relabeled version of the Petya (RANSOM_PETYA) and Mischa (RANSOM_MISCHA) ransomware combo, not only kept to the James Bond theme of its earlier iteration, but also its attack vector.
Given ransomware’s likely outlook to reach a plateau, persistence in the threat landscape and diversification of target victims are the names of the game. GoldenEye exemplifies bad guys trying to gain scale, leverage, and profit with rehashed malware.Read More
At a glance, it seems that DRIDEX has dwindled its activities or operation, appearing only for a few days this May. This is quite unusual given that in the past five months or so, this prevalent online banking threat has always been active in the computing landscape. Last May 25, 2016, we observed a sudden spike in DRIDEX–related spam emails after its seeming ‘hiatus.’ This spam campaign mostly affected users in the United States, Brazil, China, Germany, and Japan.Read More
The thing about takedowns is that these do not necessarily wipe out the cybercriminal operations. In 2014, the ZeroAccess takedown has affected the botnet’s click fraud operation, but its infections continued to soar. DRIDEX’s case is similar as it continues to figure predominantly in the threat landscape despite takedown of its multiple command-and-control servers last October 2015.Read More
DRIDEX is steadily regaining its footing in the US just over a month after its takedown orchestrated by US and UK law enforcement agencies. Taking down servers is a significant step in crippling botnets, but unless all infrastructure are destroyed and all threat actors are caught, threats like DRIDEX are bound to resurface. As such, it…Read More