Update apt_stolenpencil.txt
Update apt_stolenpencil.txt

See also commit on ```apt_kimsuky.txt``` -- https://github.com/stamparm/maltrail/pull/1607/commits/0b2258ac3d905d70b9bd39e8f80014fdfd591f10 : both of these APTs use BabyShark malware.
stamparm/maltrail,stamparm/maltrail,stamparm/maltrail,stamparm/maltrail