Function at 0x4d39a4
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call
Parse pe header

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff8
push ebx
push esi
push edi
xor eax, eax
mov dword [ebp - 4], eax
mov edx, dword [0x4d352c]
mov eax, 0x1c
call fcn.0040a75c
mov dword [ebp - 8], eax
mov eax, dword [ebp - 8]
xor ecx, ecx
mov edx, 0x1c
call fcn.00407060
mov eax, dword [ebp - 8]
mov dword [eax + 0x18], 0x19770605
mov edi, dword [ebp + 8]
mov esi, edi
cmp word [esi], 0x5a4d
je 0x4d39fd
mov edx, dword [0x4d352c]
mov eax, dword [ebp - 8]
call fcn.0040a770
jmp 0x4d3bc7
mov eax, dword [esi + 0x3c]
lea ebx, [edi + eax]
cmp dword [ebx], 0x4550
je 0x4d3a1e
mov edx, dword [0x4d352c]
mov eax, dword [ebp - 8]
call fcn.0040a770
jmp 0x4d3bc7
cmp word [ebx + 4], 0x14c
je 0x4d3a39
mov edx, dword [0x4d352c]
mov eax, dword [ebp - 8]
call fcn.0040a770
jmp 0x4d3bc7
push 0x40
push 0x3000
mov eax, dword [ebx + 0x50]
push eax
mov eax, dword [ebx + 0x34]
push eax
call sub.kernel32.dll_VirtualAlloc_1
mov edx, dword [ebp - 8]
mov dword [edx + 4], eax
mov eax, dword [ebp - 8]
cmp dword [eax + 4], 0
jne 0x4d3a74
push 0x40
push 0x2000
mov eax, dword [ebx + 0x50]
push eax
push 0
call sub.kernel32.dll_VirtualAlloc_1
mov edx, dword [ebp - 8]
mov dword [edx + 4], eax
mov eax, dword [ebp - 8]
cmp dword [eax + 4], 0
jne 0x4d3a90
mov edx, dword [0x4d352c]
mov eax, dword [ebp - 8]
call fcn.0040a770
jmp 0x4d3bc7
push 0x40
push 0x1000
mov eax, dword [ebx + 0x50]
push eax
mov eax, dword [ebp - 8]
mov eax, dword [eax + 4]
push eax
call sub.kernel32.dll_VirtualAlloc_1
push 0x40
push 0x1000
mov eax, dword [ebx + 0x54]
push eax
mov eax, dword [ebp - 8]
mov eax, dword [eax + 4]
push eax
call sub.kernel32.dll_VirtualAlloc_1
mov eax, dword [esi + 0x3c]
mov edx, dword [ebp - 8]
mov edx, dword [edx + 4]
lea eax, [edx + eax]
mov edx, dword [ebp - 8]
mov dword [edx], eax
mov eax, dword [ebp - 8]
mov eax, dword [eax + 4]
mov edx, dword [ebx + 0x54]
push esi
mov ecx, edx
mov edx, eax
pop eax
call fcn.00406910
mov eax, dword [esi + 0x3c]
mov edx, dword [ebp - 8]
mov edx, dword [edx + 4]
lea eax, [edx + eax]
mov edx, dword [ebp - 8]
mov dword [edx], eax
mov edx, dword [ebp - 8]
mov edx, dword [edx + 4]
mov dword [eax + 0x34], edx
mov eax, dword [ebp - 8]
mov ecx, eax
mov edx, ebx
mov eax, edi
call fcn.004d35e4
mov eax, dword [ebp - 8]
mov eax, dword [eax + 4]
sub eax, dword [ebx + 0x34]
test eax, eax
je 0x4d3b21
mov edx, dword [ebp - 8]
xchg edx, eax
call fcn.004d381c
mov eax, dword [ebp - 8]
call fcn.004d3680
test al, al
jne 0x4d3b3b
lea eax, [ebp - 8]
push eax
call fcn.004d3d18
jmp 0x4d3bc7
mov eax, dword [ebp - 8]
call fcn.004d38bc
mov eax, dword [ebp - 8]
mov eax, dword [eax]
mov eax, dword [eax + 0x28]
test eax, eax
je 0x4d3bc1
mov edx, dword [ebp - 8]
mov edx, dword [edx + 4]
lea ebx, [edx + eax]
mov eax, dword [ebp - 8]
mov dword [eax + 8], ebx
mov eax, dword [ebp - 8]
cmp dword [eax + 8], 0
je 0x4d3baf
xor eax, eax
push ebp
push 0x4d3ba3
push dword fs:[eax]
mov dword fs:[eax], esp
push 0
push 1
mov eax, dword [ebp - 8]
mov eax, dword [eax + 4]
push eax
call ebx
test eax, eax
jne 0x4d3b99
lea eax, [ebp - 8]
push eax
call fcn.004d3d18
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
jmp 0x4d3bc7
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
jmp 0x4d3bba
lea eax, [ebp - 8]
push eax
call fcn.004d3d18
jmp 0x4d3bc7
mov eax, dword [ebp - 8]
mov byte [eax + 0x14], 1
mov eax, dword [ebp - 8]
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
pop edi
pop esi
pop ebx
pop ecx
pop ecx
pop ebp
ret 4