Afghanistan played three CWCSL matches earlier this year, against Ireland, sweeping the series. They currently have 30 points and sit at No 11 in the standings.
PCB chairman Ramiz Raja said that like everyone else, ICC also understands their situation and hence giving them time, adding that although they are in a state of flux at the moment, the allotted funding to promote and support the game in the country won't be stopped.
The group comprises ICC deputy chairman Imran Khwaja, who will be the chairman of the working group.
Ashraf, who has played at least 46 one-day internationals and 25 Twenty20 internationals, retired from cricket in 2016.
The Afghanistan Cricket Board announced the news on their social media platforms.
The Afghanistan Cricket Board (ACB) last week urged Australia not to punish its men's team, saying it was "powerless to change the culture and religious environment of Afghanistan".
The Taliban confirmed on Wednesday that women in Afghanistan will not be allowed to play any sports, including cricket.
The ACB officials had conveyed their request to the BCCI CEO Rahul Johri and GM Cricket Operations Saba Karim during their meeting in Mumbai on May 16.
Simmons, who took up the position in December 2017, said that the time is right for him to move on after accomplishing his goal – to help Afghanistan reach the World Cup.
Gulbadin Naib, Rashid Khan and Rahmat Shah were named captains for ODIs, T20Is and Test respectively following Asghar Afghan's sacking as Afghanistan captain.