Experts at MalwareHunterTeam uncovered a new
The campaign uses emails that pretend being sent by members of the World Health Organization (WHO), the messages distribute a malware downloader that installs the
The emails come with a ZIP file attachment and have the subject “Coronavirus Updates.”
The emails will, though, prompt you to view the email in a browser, which properly displays the content of the email.
The message is composed to trick the victims into opening the attached ZIP archive that includes ‘MY-HEALTH.PDF.’
The executable employed in this campaign is a strain of the GuLoader malware downloader.
Once the GuLoader malware has downloaded an encrypted file from https://drive.google.com, it will decrypt it and inject the malware into the legitimate Windows wininit.exe process.
The final payload is the
FormBook can also receive commands from a command-and-control (C2) server to perform many malicious activities, such as downloading more payloads.
“The malware injects itself into various processes and installs function hooks to log keystrokes, steal clipboard contents, and extract data from HTTP sessions. The malware can also execute commands from a command and control (C2) server. The commands include instructing the malware to download and execute files, start processes, shutdown and reboot the system, and steal cookies and local passwords.” states the analysis published by FireEye.
According to the researchers, one most interesting features implemented by the malware authors allows the malicious code to read “Windows’ ntdll.dll module from disk into memory, and calls its exported functions directly, rendering user-mode hooking and API monitoring mechanisms ineffective.”
Researchers explained that
Spam messages pretend to be from a doctor (Dr. Penelope Marchetti) at the World Health Organization (WHO), they have a subject of “Coronavirus: Informazioni
This week, the Department of Homeland Security’s