Function at 0x40f230
Capabilities:
Encrypt data using rc4 ksa
Read file on windows

Disassembly:
sub esp, 0x240
push ebx
push ebp
push esi
push edi
lea eax, [esp + 0x20]
mov edi, ecx
test eax, eax
mov dword [esp + 0x20], edi
jne 0x40f748
push eax
push eax
push eax
push eax
push eax
call dword [sym.imp.KERNEL32.dll_LockFile]
xor eax, eax
movsx ecx, ax
mov byte [esp + ecx + 0x10], al
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40f266
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40f276
inc eax
cmp ax, 0x100
jl 0x40f259
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40f28d
mov byte [esp + 0x18], 0
mov byte [esp + 0x14], 0
mov ebp, dword [esp + 0x18]
mov byte [esp + 0x15], 0
mov byte [esp + 0x1c], 0
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40f2b5
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40f2c5
xor ecx, ecx
lea eax, [esp + 0x10]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x40f2d5
mov eax, dword [esp + 0x1c]
xor ebx, ebx
movsx edx, cx
and eax, 0xff
and ebp, 0xff
lea esi, [esp + edx + 0x10]
mov bl, byte [eax + 0x384]
mov dl, byte [esi]
mov edi, edx
and edi, 0xff
add ebx, edi
add ebx, ebp
and ebx, 0x800000ff
jns 0x40f31c
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x18], bl
mov ebp, dword [esp + 0x18]
mov edi, ebp
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x10]
lea edi, [esp + edi + 0x10]
mov byte [esi], bl
mov esi, 0x57
mov byte [edi], dl
cdq
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x1c], dl
jl 0x40f2af
mov edi, ebp
and edi, 0xff
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40f35f
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40f36f
xor ecx, ecx
lea eax, [esp + 0x10]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x40f37f
movsx eax, cx
mov dl, byte [esp + eax + 0x10]
xor ebx, ebx
lea esi, [esp + eax + 0x10]
mov eax, dword [esp + 0x1c]
and eax, 0xff
mov ebp, edx
and ebp, 0xff
mov bl, byte [eax + 0x384]
add edi, ebx
add ebp, edi
mov ebx, ebp
and ebx, 0x800000ff
jns 0x40f3c4
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x18], bl
mov edi, dword [esp + 0x18]
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x10]
mov byte [esi], bl
mov byte [esp + edi + 0x10], dl
cdq
mov esi, 0x57
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x1c], dl
jl 0x40f359
xor ebx, ebx
push ebx
push ebx
push ebx
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
xor eax, eax
movsx ecx, ax
mov byte [esp + ecx + 0x10], al
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40f411
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40f421
inc eax
cmp ax, 0x100
jl 0x40f404
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40f438
mov byte [esp + 0x18], bl
mov byte [esp + 0x14], bl
mov ebp, dword [esp + 0x18]
mov byte [esp + 0x15], bl
mov byte [esp + 0x1c], bl
jmp 0x40f45a
xor ebx, ebx
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40f460
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40f470
xor ecx, ecx
lea eax, [esp + 0x10]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x40f480
mov eax, dword [esp + 0x1c]
xor ebx, ebx
movsx edx, cx
and eax, 0xff
and ebp, 0xff
lea esi, [esp + edx + 0x10]
mov bl, byte [eax + 0x384]
mov dl, byte [esi]
mov edi, edx
and edi, 0xff
add ebx, edi
add ebx, ebp
and ebx, 0x800000ff
jns 0x40f4c7
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x18], bl
mov ebp, dword [esp + 0x18]
mov edi, ebp
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x10]
lea edi, [esp + edi + 0x10]
mov byte [esi], bl
mov esi, 0x57
mov byte [edi], dl
cdq
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x1c], dl
jl 0x40f458
mov edi, ebp
and edi, 0xff
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40f50a
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40f51a
xor ecx, ecx
lea eax, [esp + 0x10]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x40f52a
movsx eax, cx
mov dl, byte [esp + eax + 0x10]
xor ebx, ebx
lea esi, [esp + eax + 0x10]
mov eax, dword [esp + 0x1c]
and eax, 0xff
mov ebp, edx
and ebp, 0xff
mov bl, byte [eax + 0x384]
add edi, ebx
add ebp, edi
mov ebx, ebp
and ebx, 0x800000ff
jns 0x40f56f
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x18], bl
mov edi, dword [esp + 0x18]
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x10]
mov byte [esi], bl
mov byte [esp + edi + 0x10], dl
cdq
mov esi, 0x57
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x1c], dl
jl 0x40f504
call dword [sym.imp.KERNEL32.dll_GetLastError]
xor ecx, ecx
xor eax, eax
movsx edx, ax
mov byte [esp + edx + 0x10], al
xor eax, eax
lea edx, [esp + 0x10]
mov byte [edx], al
inc eax
inc edx
cmp ax, 0x100
jl 0x40f5b7
xor eax, eax
lea edx, [esp + 0x10]
mov byte [edx], al
inc eax
inc edx
cmp ax, 0x100
jl 0x40f5c7
inc eax
cmp ax, 0x100
jl 0x40f5aa
xor eax, eax
lea edx, [esp + 0x10]
mov byte [edx], al
inc eax
inc edx
cmp ax, 0x100
jl 0x40f5de
mov byte [esp + 0x18], cl
mov byte [esp + 0x14], cl
mov ebp, dword [esp + 0x18]
mov byte [esp + 0x15], cl
mov byte [esp + 0x1c], cl
jmp 0x40f600
xor ecx, ecx
xor eax, eax
lea edx, [esp + 0x10]
mov byte [edx], al
inc eax
inc edx
cmp ax, 0x100
jl 0x40f606
xor eax, eax
lea edx, [esp + 0x10]
mov byte [edx], al
inc eax
inc edx
cmp ax, 0x100
jl 0x40f616
lea eax, [esp + 0x10]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x40f624
movsx eax, cx
mov dl, byte [esp + eax + 0x10]
xor ebx, ebx
lea esi, [esp + eax + 0x10]
mov eax, dword [esp + 0x1c]
and eax, 0xff
mov edi, edx
and edi, 0xff
and ebp, 0xff
mov bl, byte [eax + 0x384]
add ebx, edi
add ebx, ebp
and ebx, 0x800000ff
jns 0x40f66d
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x18], bl
mov ebp, dword [esp + 0x18]
mov edi, ebp
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x10]
lea edi, [esp + edi + 0x10]
mov byte [esi], bl
mov esi, 0x57
mov byte [edi], dl
cdq
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x1c], dl
jl 0x40f5fe
mov edi, ebp
and edi, 0xff
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40f6b0
xor eax, eax
lea ecx, [esp + 0x10]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x40f6c0
xor ecx, ecx
lea eax, [esp + 0x10]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x40f6d0
mov eax, dword [esp + 0x1c]
xor ebx, ebx
movsx edx, cx
and eax, 0xff
lea esi, [esp + edx + 0x10]
mov bl, byte [eax + 0x384]
mov dl, byte [esi]
add edi, ebx
mov ebp, edx
and ebp, 0xff
add ebp, edi
mov ebx, ebp
and ebx, 0x800000ff
jns 0x40f713
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x18], bl
mov edi, dword [esp + 0x18]
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x10]
mov byte [esi], bl
mov byte [esp + edi + 0x10], dl
cdq
mov esi, 0x57
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x1c], dl
jl 0x40f6aa
mov edi, dword [esp + 0x20]
mov ebp, dword [esp + 0x258]
lea ebx, [edi + 4]
mov ecx, ebx
mov dword [ebp], 0
call fcn.004132e0
mov eax, dword [0x4353d0]
push 0
push 2
call dword [eax + 0xc]
mov esi, eax
cmp esi, 0xffffffff
je 0x40f82c
mov edx, dword [0x4353d0]
push 0x128
lea ecx, [esp + 0x28]
push 0
push ecx
call dword [edx + 0x21c]
mov ecx, dword [0x4353d0]
add esp, 0xc
lea eax, [esp + 0x24]
mov dword [esp + 0x24], 0x128
push eax
push esi
call dword [ecx + 8]
test eax, eax
je 0x40f82c
mov eax, dword [0x4353d0]
push 0x104
lea edx, [esp + 0x150]
push 0
push edx
call dword [eax + 0x21c]
mov edx, dword [esp + 0x38]
add esp, 0xc
lea ecx, [esp + 0x14c]
push ecx
push edx
mov ecx, edi
call fcn.0040fee0
lea eax, [esp + 0x14c]
mov ecx, edi
push eax
call fcn.0040f840
test eax, eax
je 0x40f800
lea ecx, [esp + 0x14c]
push ecx
mov ecx, ebx
call fcn.004127f0
mov eax, dword [0x4353d0]
lea edx, [esp + 0x24]
push edx
push esi
call dword [eax + 4]
test eax, eax
jne 0x40f7ad
mov ecx, dword [0x4353d0]
push esi
call dword [ecx + 0x44]
mov edx, dword [esp + 0x254]
push ebp
push edx
mov ecx, ebx
call fcn.00413840
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x240
ret 8