Function at 0x4127f0
Capabilities:
Encrypt data using rc4 ksa
Read file on windows

Disassembly:
sub esp, 0x14
push ebx
push ebp
push esi
lea eax, [esp + 0x24]
mov esi, ecx
xor ebx, ebx
test eax, eax
push edi
mov dword [esp + 0x18], esi
jne 0x412d03
push ebx
push ebx
push ebx
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_LockFile]
xor eax, eax
movsx ecx, ax
mov byte [esp + ecx + 0x1c], al
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x412825
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x412835
inc eax
cmp ax, 0x100
jl 0x412818
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x41284c
mov byte [esp + 0x10], bl
mov byte [esp + 0x20], bl
mov ebp, dword [esp + 0x10]
mov byte [esp + 0x21], bl
mov byte [esp + 0x14], bl
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x412870
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x412880
xor ecx, ecx
lea eax, [esp + 0x1c]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x412890
mov eax, dword [esp + 0x14]
xor ebx, ebx
movsx edx, cx
and eax, 0xff
and ebp, 0xff
lea esi, [esp + edx + 0x1c]
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 0x4128d7
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x10], bl
mov ebp, dword [esp + 0x10]
mov edi, ebp
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x1c]
lea edi, [esp + edi + 0x1c]
mov byte [esi], bl
mov esi, 0x57
mov byte [edi], dl
cdq
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x14], dl
jl 0x41286a
mov edi, ebp
and edi, 0xff
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x41291a
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x41292a
xor ecx, ecx
lea eax, [esp + 0x1c]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x41293a
movsx eax, cx
mov dl, byte [esp + eax + 0x1c]
xor ebx, ebx
lea esi, [esp + eax + 0x1c]
mov eax, dword [esp + 0x14]
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 0x41297f
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x10], bl
mov edi, dword [esp + 0x10]
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x1c]
mov byte [esi], bl
mov byte [esp + edi + 0x1c], dl
cdq
mov esi, 0x57
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x14], dl
jl 0x412914
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 + 0x1c], al
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x4129cc
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x4129dc
inc eax
cmp ax, 0x100
jl 0x4129bf
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x4129f3
mov byte [esp + 0x10], bl
mov byte [esp + 0x20], bl
mov ebp, dword [esp + 0x10]
mov byte [esp + 0x21], bl
mov byte [esp + 0x14], bl
jmp 0x412a15
xor ebx, ebx
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x412a1b
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x412a2b
xor ecx, ecx
lea eax, [esp + 0x1c]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x412a3b
mov eax, dword [esp + 0x14]
xor ebx, ebx
movsx edx, cx
and eax, 0xff
and ebp, 0xff
lea esi, [esp + edx + 0x1c]
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 0x412a82
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x10], bl
mov ebp, dword [esp + 0x10]
mov edi, ebp
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x1c]
lea edi, [esp + edi + 0x1c]
mov byte [esi], bl
mov esi, 0x57
mov byte [edi], dl
cdq
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x14], dl
jl 0x412a13
mov edi, ebp
and edi, 0xff
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x412ac5
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x412ad5
xor ecx, ecx
lea eax, [esp + 0x1c]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x412ae5
movsx eax, cx
mov dl, byte [esp + eax + 0x1c]
xor ebx, ebx
lea esi, [esp + eax + 0x1c]
mov eax, dword [esp + 0x14]
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 0x412b2a
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x10], bl
mov edi, dword [esp + 0x10]
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x1c]
mov byte [esi], bl
mov byte [esp + edi + 0x1c], dl
cdq
mov esi, 0x57
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x14], dl
jl 0x412abf
call dword [sym.imp.KERNEL32.dll_GetLastError]
xor ecx, ecx
xor eax, eax
movsx edx, ax
mov byte [esp + edx + 0x1c], al
xor eax, eax
lea edx, [esp + 0x1c]
mov byte [edx], al
inc eax
inc edx
cmp ax, 0x100
jl 0x412b72
xor eax, eax
lea edx, [esp + 0x1c]
mov byte [edx], al
inc eax
inc edx
cmp ax, 0x100
jl 0x412b82
inc eax
cmp ax, 0x100
jl 0x412b65
xor eax, eax
lea edx, [esp + 0x1c]
mov byte [edx], al
inc eax
inc edx
cmp ax, 0x100
jl 0x412b99
mov byte [esp + 0x10], cl
mov byte [esp + 0x20], cl
mov ebp, dword [esp + 0x10]
mov byte [esp + 0x21], cl
mov byte [esp + 0x14], cl
jmp 0x412bbb
xor ecx, ecx
xor eax, eax
lea edx, [esp + 0x1c]
mov byte [edx], al
inc eax
inc edx
cmp ax, 0x100
jl 0x412bc1
xor eax, eax
lea edx, [esp + 0x1c]
mov byte [edx], al
inc eax
inc edx
cmp ax, 0x100
jl 0x412bd1
lea eax, [esp + 0x1c]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x412bdf
movsx eax, cx
mov dl, byte [esp + eax + 0x1c]
xor ebx, ebx
lea esi, [esp + eax + 0x1c]
mov eax, dword [esp + 0x14]
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 0x412c28
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x10], bl
mov ebp, dword [esp + 0x10]
mov edi, ebp
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x1c]
lea edi, [esp + edi + 0x1c]
mov byte [esi], bl
mov esi, 0x57
mov byte [edi], dl
cdq
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x14], dl
jl 0x412bb9
mov edi, ebp
and edi, 0xff
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x412c6b
xor eax, eax
lea ecx, [esp + 0x1c]
mov byte [ecx], al
inc eax
inc ecx
cmp ax, 0x100
jl 0x412c7b
xor ecx, ecx
lea eax, [esp + 0x1c]
mov byte [eax], cl
inc ecx
inc eax
cmp cx, 0x100
jl 0x412c8b
mov eax, dword [esp + 0x14]
xor ebx, ebx
movsx edx, cx
and eax, 0xff
lea esi, [esp + edx + 0x1c]
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 0x412cce
dec ebx
or ebx, 0xffffff00
inc ebx
mov byte [esp + 0x10], bl
mov edi, dword [esp + 0x10]
and edi, 0xff
inc eax
mov bl, byte [esp + edi + 0x1c]
mov byte [esi], bl
mov byte [esp + edi + 0x1c], dl
cdq
mov esi, 0x57
idiv esi
inc ecx
cmp cx, 0x100
mov byte [esp + 0x14], dl
jl 0x412c65
mov esi, dword [esp + 0x18]
mov eax, dword [esi + 0x1fbd4]
mov ebp, dword [esp + 0x28]
xor edi, edi
test eax, eax
jle 0x412d3b
lea ebx, [esi + 4]
mov eax, dword [0x4353d0]
push ebp
push ebx
call dword [eax + 0x1e0]
add esp, 8
test eax, eax
je 0x412d66
mov eax, dword [esi + 0x1fbd4]
inc edi
add ebx, 0x104
cmp edi, eax
jl 0x412d16
mov eax, dword [esi + 0x1fbd4]
push ebp
inc eax
mov ecx, eax
mov dword [esi + 0x1fbd4], eax
shl ecx, 6
add ecx, eax
mov eax, dword [0x4353d0]
lea edx, [esi + ecx*4 - 0x100]
push edx
call dword [eax + 0x1e8]
add esp, 8
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x14
ret 4