: It downloads a secondary payload, which is frequently a Remote Access Trojan (RAT) or Infostealer (designed to scrape browser passwords, cookies, and crypto wallets). Anti-Analysis Measures :
It often utilizes a WindowStyle of 0 when calling WScript.Shell , ensuring no terminal window pops up, making the execution completely invisible to the user. :
: It reaches out to a Command & Control (C2) server using an HTTP request. Who_wants_to_strip_this_babe.rar
The file uses a "double extension" or a misleading name to hide its true nature. While the .rar is a container, the internal file is often named something like image.jpg.vbs .
: Look for wscript.exe or cscript.exe running with high CPU usage or unusual network connections. : It downloads a secondary payload, which is
The script within the archive is usually unreadable to the naked eye. It employs (using Chr() codes), string reversal , and junk code insertion to bypass signature-based antivirus detection.
: The script executes and modifies registry keys to ensure persistence (restarting the malware upon reboot). The file uses a "double extension" or a
On systems where "Hide extensions for known file types" is enabled, the user only sees image.jpg . :