.
└── ABC
    ├── aa.bin
    ├── ABC1
    │   ├── aa1.bin
    │   └── bb1.bin
    ├── ABC2
    │   ├── aa2.bin
    │   └── bb2.bin
    ├── bb.bin
    └── cc.bin

find . -name '*.bin' -exec sh -c 'p="${1%/*}"; f="${1##*/}"; echo mv -- "$1" "$p/${p##*/}-$f"' sh {} ;

$ tree .
.
└── ABC
    ├── aa.bin
    ├── ABC1
    │   ├── aa1.bin
    │   └── bb1.bin
    ├── ABC2
    │   ├── aa2.bin
    │   └── bb2.bin
    ├── bb.bin
    └── cc.bin

3 directories, 7 files

$ find . -name '*.bin' -exec sh -c 'p="${1%/*}"; f="${1##*/}"; echo mv -- "$1" "$p/${p##*/}-$f"' sh {} ;
mv -- ./ABC/ABC2/bb2.bin ./ABC/ABC2/ABC2-bb2.bin
mv -- ./ABC/ABC2/aa2.bin ./ABC/ABC2/ABC2-aa2.bin
mv -- ./ABC/aa.bin ./ABC/ABC-aa.bin
mv -- ./ABC/bb.bin ./ABC/ABC-bb.bin
mv -- ./ABC/ABC1/bb1.bin ./ABC/ABC1/ABC1-bb1.bin
mv -- ./ABC/ABC1/aa1.bin ./ABC/ABC1/ABC1-aa1.bin
mv -- ./ABC/cc.bin ./ABC/ABC-cc.bin

$ find . -name '*.bin' -exec sh -c 'p="${1%/*}"; f="${1##*/}"; mv -- "$1" "$p/${p##*/}-$f"' sh {} ;

$ tree .
.
└── ABC
    ├── ABC1
    │   ├── ABC1-aa1.bin
    │   └── ABC1-bb1.bin
    ├── ABC2
    │   ├── ABC2-aa2.bin
    │   └── ABC2-bb2.bin
    ├── ABC-aa.bin
    ├── ABC-bb.bin
    └── ABC-cc.bin

3 directories, 7 files

chmod +x renameFiles.sh

renameFiles.sh
ABC
  aa.bin
  bb.bin
  ABC1
    aa1.bin
    etc.