Netskope Threat Research Labs has discovered another campaign of URSNIF-dropping SPAM. The attack is designed to evade security products such as IPS and Sandboxes. Though in the past, we have blogged about similar campaigns, this iteration uses enhanced evasion techniques. The attack begins as an email with password protected Word file attachments, which is detected as Backdoor.Spamdoccryptd.BC, and results in the URSNIF family of data theft malware, detected as Backdoor.Generckd.5086438 by Netskope Threat Protection.
Initial Stage of Attack
The attack originates as a spam message contai