Checks BIOS information in registry

BIOS information is often read in order to detect sandboxing environments.

Executes dropped EXE

Checks installed software on the system

Looks up Uninstall key entries in the registry to enumerate software on the system.

Checks whether UAC is enabled

Enumerates connected drives

Attempts to read the root path of hard drives other than the default C: drive.

Legitimate hosting services abused for malware hosting/C2

System Binary Proxy Execution: Verclsid

Adversaries may abuse Verclsid to proxy execution of malicious code.

Writes to the Master Boot Record (MBR)

Bootkits write to the MBR to gain persistence at a level below the operating system.

Drops file in System32 directory

UPX packed file

Detects executables packed with UPX/modified UPX open source packer.