Function at 0x40b3ca
Capabilities:
Check if file exists
Create process on windows
Delete file
Resolve function by parsing pe exports

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x434600
push eax
mov dword fs:[0], esp
sub esp, 0x58
push ebx
push ebp
push esi
mov esi, ecx
push edi
xor edi, edi
cmp dword [esi + 0x44], edi
je 0x40b58d
push ecx
lea eax, [esi + 0x54]
mov ecx, esp
mov dword [esp + 0x1c], esp
push eax
call fcn.00428335
push ecx
lea edx, [esi + 0x50]
mov ecx, esp
mov dword [esp + 0x2c], esp
push edx
mov dword [esp + 0x7c], edi
call fcn.00428335
mov ecx, esi
mov dword [esp + 0x78], 0xffffffff
call fcn.0040acd0
cmp eax, edi
je 0x40b58d
mov dword [esp + 0x18], edi
lea ebp, [esi + 0x40]
lea ebx, [esi + 0x68]
push ecx
mov ecx, esp
mov dword [esp + 0x28], esp
push ebp
call fcn.00428335
push ecx
lea eax, [esi + 0x30]
mov ecx, esp
mov dword [esp + 0x30], esp
push eax
mov dword [esp + 0x7c], 1
call fcn.00428335
mov ecx, ebx
mov dword [esp + 0x78], 0xffffffff
call fcn.00407610
cmp eax, edi
jl 0x40b57b
mov eax, dword [ebp]
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsA]
test eax, eax
je 0x40b57b
push str.__o__P_upload_file_9527_microbt_801
lea ecx, [esp + 0x14]
call fcn.0042862e
lea eax, [esi + 4]
lea ecx, [esp + 0x20]
push eax
push str.__d
push ecx
mov dword [esp + 0x7c], 2
call fcn.004288c9
push 0x443e0c
lea edx, [esp + 0x20]
push eax
push edx
mov byte [esp + 0x7c], 3
call fcn.00428855
push eax
lea ecx, [esp + 0x14]
mov byte [esp + 0x74], 4
call fcn.004289c3
lea ecx, [esp + 0x1c]
mov byte [esp + 0x70], 3
call fcn.004285c0
lea ecx, [esp + 0x20]
mov byte [esp + 0x70], 2
call fcn.004285c0
push ebp
lea ecx, [esp + 0x14]
call fcn.004289c3
mov eax, dword [esi + 8]
lea ecx, [esp + 0x2c]
mov dword [esp + 0x3c], eax
mov eax, dword [esp + 0x10]
push ecx
mov dword [esp + 0x30], 0x3c
mov dword [esp + 0x34], edi
mov dword [esp + 0x38], edi
mov dword [esp + 0x3c], edi
mov dword [esp + 0x44], eax
mov dword [esp + 0x48], edi
mov dword [esp + 0x4c], edi
mov dword [esp + 0x50], edi
call dword [sym.imp.SHELL32.dll_ShellExecuteExA]
push 1
call dword [sym.imp.KERNEL32.dll_Sleep]
mov eax, dword [ebp]
push eax
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
push ecx
lea edx, [esi + 0x3c]
mov ecx, esp
mov dword [esp + 0x2c], esp
push edx
call fcn.00428335
lea eax, [esp + 0x18]
mov ecx, ebx
push eax
call fcn.00407470
mov eax, dword [esi + 0x34]
mov ecx, dword [esp + 0x14]
push eax
push ecx
call fcn.0041355f
add esp, 8
mov byte [esp + 0x70], 2
test eax, eax
lea ecx, [esp + 0x14]
je 0x40b5b2
call fcn.004285c0
lea ecx, [esp + 0x10]
mov dword [esp + 0x70], 0xffffffff
call fcn.004285c0
mov eax, dword [esp + 0x18]
inc eax
cmp eax, 0xa
mov dword [esp + 0x18], eax
jl 0x40b41e
mov ecx, dword [esi + 0x38]
mov edi, dword [sym.imp.KERNEL32.dll_DeleteFileA]
push ecx
call edi
mov edx, dword [esi + 0x3c]
push edx
call edi
mov ecx, dword [esp + 0x68]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x64
ret
call fcn.004285c0
lea ecx, [esp + 0x10]
mov dword [esp + 0x70], 0xffffffff
call fcn.004285c0
mov ecx, esi
call fcn.0040abe0
mov edx, dword [esi + 0x58]
mov ecx, esi
push edx
call fcn.0040ae80
mov eax, dword [esi + 0x5c]
mov ecx, esi
push eax
call fcn.0040ae80
mov esi, dword [esi + 0xc]
call fcn.00426dbf
cmp eax, edi
je 0x40b5fa
mov edx, dword [eax]
mov ecx, eax
call dword [edx + 0x74]
jmp 0x40b5fc
xor eax, eax
mov eax, dword [eax + 0x1c]
push 5
push 0x448b58
push 0x448b58
push esi
push str.open
push eax
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
mov ecx, dword [esp + 0x68]
pop edi
pop esi
pop ebp
mov dword fs:[0], ecx
pop ebx
add esp, 0x64
ret