Phobos

Phobos ransomware appeared at the beginning of 2019.

Process spawned unexpected child process

This typically indicates the parent process was compromised via an exploit or macro.

Suspicious use of NtCreateUserProcessOtherParentProcess

Deletes shadow copies

Ransomware often targets backup files to inhibit system recovery.

Modifies boot configuration data using bcdedit

Renames multiple (116) files with added filename extension

This suggests ransomware activity of encrypting all the files on the system.

Blocklisted process makes network request

Deletes backup catalog

Uses wbadmin.exe to inhibit system recovery.

Modifies Windows Firewall