After announcing $1.1 million in venture capital investments, once Central Pennsylvania-based CoTweet is moving to San Francisco, according to the Wall Street Journal.

The company, which develops a web-based application for Twitter that allows businesses to assign multiple team members to control commercial accounts, received funding from West Conshohocken-based First Round Capital and a handful of other non-Philly firms. [Full Disclosure: Technically Philly uses CoTweet for forward-dated Twitter posts]

According to two job openings recently added to the company’s internal job board, the company is headed for the SoMa neighborhood of downtown San Francisco, an area well-known for its roots in the dot com boom.

CoTweet executives are in the process of packing their bags, according to tweeted:

Last week, CoTweet received attention when TechCrunch reported that the company was eyed by Twitter as an “acquisition target” in confidential leaked documents.

Details emerged after the publication acquired hundreds of corporate and personal documents of Twitter employees from a French hacker known as “Hacker Croll.”

According to the documents, Twitter was exploring commercial account opportunities and was possibly considering acquiring CoTweet. Twitter also considered other options, like partnering with or contracting the company.

The hacker who obtained the documents used a series of social engineering tactics to infiltrate a number of Twitter employees personal accounts that included Gmail, Google Apps, GoDaddy, MobileMe, AT&T, Amazon, Hotmail, PayPal and iTunes, according to an extensive and fascinating background piece written by TechCrunch.