ASPack v2.12-2.42

Detects executables packed with ASPack v2.12-2.42

Checks computer location settings

Looks up country code configured in the registry, likely geofence.

Executes dropped EXE

Loads dropped DLL

Reads user/profile data of web browsers

Infostealers often target stored browser data, which can include saved credentials etc.

Checks installed software on the system

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

Contacts third-party web service commonly abused for C2

Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

Writes to the Master Boot Record (MBR)

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

UPX packed file

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