Hey everyone, I came across something that made me pause this week and I’m still not totally sure what to make of it. There’s a report about a wave of phishing emails that look like DocuSign notices asking people to “review” an agreement, but instead they lead to a multi-stage download that seems to behave like stealthy malware on Windows systems. The description I saw mentioned that these emails use the DocuSign branding and try to get people to click a link which then asks for an access code before showing the supposed file. That access-code thing stood out to me because it seems used to evade automated defenses at some stages.
Now, I don’t work in this space professionally, but this report by cybersecurity news folks cited some analysis by researchers who saw the chain drop a loader and then run a PowerShell command that pulls more code from somewhere else. There were mentions of tricks like obfuscation and executing things in memory to evade simple detection, though without digging into the actual sample that all sounds a bit opaque to me.
I guess what’s interesting to me here is that while we all know phishing has been around forever, it still surprises me how social engineering and malware delivery are being combined. The piece didn’t mention who is behind it or any confirmed victims that we can point to publicly, just that this behavior was observed in labs and seems to affect a range of organizations of various sizes. Has anyone else seen chatter or shared reports suggesting similar campaigns, especially ones using trusted service brands like this DocuSign example? I’m curious whether this is something isolated or part of a broader trend in phishing delivery. Given how many phishing attempts spoof legitimate services, I’m wondering how folks are validating these kinds of emails before acting on them.
Anyway, I’m sharing here to see what people’s thoughts are, maybe get some impressions or pointers to more public material. I’m not trying to accuse any specific party of wrongdoing or anything, just trying to understand what’s going on with these themed phishing lures.