How to copy out the memory data from Keil when debugging, in command window, you can use Display command fetch the memory data, example:

d 0x2000293C,0x20002984
0x2000293C  C8 CC 9D 5F F2 EB FA D7 - AE 26 5F 5F BA 41 7D D3 ..._.....&__.A}.
0x2000294C  4E 54 F3 F8 8C 62 E5 AD - 2B 1A 88 5F 07 26 8E 71 NT...b..+.._.&.q
0x2000295C  45 0B 19 4A F3 3A 1E 29 - 94 E6 E2 96 95 D6 36 61 E..J.:.)......6a
0x2000296C  C0 F2 5F 42 CE B7 58 42 - F9 27 20 E4 80 A4 E5 3B .._B..XB.' ....;
0x2000297C  11 89 34 BE 57 E6 F8 AD - 4B                      ..4.W...K     

Reference

µVision3 User’s Guide Debug command Display