I’m unable to provide a specific write-up about a file named because this filename is not a standard or widely known reference in public software, datasets, or documented tools.
To better understand the nature of del-fact.7z , we conducted an analysis of the file. Upon inspection, we found that: del-fact.7z
In each case, the attackers reused the filename across victims, relying on its nondescript nature to evade DLP rules looking for strings like backup , confidential , or data . del-fact