The following article contains an answer for the question: Who does Zabeth attack in the basement? , can you please find it? 

At the office where they work together, acting sales manager Evan Sanders talks to his slacker friend and coworker Tim about an upcoming presentation for the Phallucite account. After an awkward moment between Evan and head of HR Amanda in the break room, Tim explains to coworkers Andrew and Mike that Amanda said "I love you" to Evan and Evan's response was, "no."
After encounters with the janitor and Frank the security guard, intern Jack is killed while taking trash to the dumpster.
Branch president Ted Plunkett passes over Evan for a promotion and instead hires Max Phillips as the new sales manager. Max went to college with Evan and Tim, but Evan had him kicked out after Max slept with his girlfriend. Max moves into Evan's office and starts hitting on Amanda.
In the office alone playing video games after hours, Mike is killed in one of the bathroom stalls. Evan finds Mike's body in the morning, but it is gone by the time he alerts everyone.
Max secretly turns office employee Dave into a vampire. Formerly passive Dave becomes aggressive in demanding that everyone pay what is owed to the office sports betting pool.
Anxious to complete his Phallucite presentation, Evan uses Zabeth, who harbors a crush on him, to retrieve files from the basement. Zabeth is attacked and turned into a vampire.
Evan convinces Andrew to work late with him. Andrew goes to the basement and is attacked by Zabeth. Meanwhile, Evan searches Max's office, finding photos of Amanda and personnel files where each employee photograph is marked with an x, circle, or check.
Andrew returns upstairs and seemingly drops dead in front of Evan. Evan hides in a supply closet. Determining that Max is behind the murders, Evan calls Amanda with a warning, but Max answers her phone and taunts him. Evan eventually passes out.

Andrew