Something is definitely happening on the disk. Look at the data changes.
3rd July
06f00000 0d d0 01 c0 05 00 00 00 15 00 00 00 01 1a 00 00 |................|
4th July
06f00000 97 95 2f 1e 62 f3 05 49 f3 52 9e c0 2a 89 69 75 |../.b..I.R..*.iu|
5th July
00000000 55 88 0d 6e fc 57 b1 f5 a2 5e a6 e3 7e 4e ed ef |U..n.W...^..~N..| ---> the offset is zero here (not 06f00000) because it is relative offset.
Not sure if we can recover this.