Function at 0x403f5e
Capabilities:
Allocate or change rwx memory
Enumerate pe sections
Execute shellcode via indirect call

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x440
and dword [ebp - 0x18], 0
push ebx
mov ebx, dword [ebp + 8]
push esi
mov esi, dword [ebx + 0x3c]
add esi, ebx
cmp dword [esi], 0x4550
push edi
je 0x403fab
mov ax, word [ebx + 0xa]
and ax, 0x11
mov ecx, 0x111
cmp ax, cx
je 0x403fab
mov esi, 0x405010
push 0x401120
mov eax, esi
call fcn.00404a07
push 0x4013f0
jmp 0x404205
push 0x40
push 0x1000
push dword [esi + 0x50]
push 0
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov edi, eax
mov dword [ebp - 0xc], edi
test edi, edi
jne 0x40400a
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push 0x401400
lea eax, [ebp - 0x43c]
call fcn.00404a23
push 0xa
mov eax, esi
lea ecx, [ebp - 0x43c]
call fcn.00404967
mov esi, 0x405010
push 0x401120
mov eax, esi
call fcn.00404a07
lea eax, [ebp - 0x43c]
push eax
jmp 0x404205
mov edx, dword [esi + 0x54]
push ebx
call fcn.00404a73
movzx eax, word [esi + 0x14]
pop ecx
movzx ecx, word [esi + 6]
lea eax, [eax + esi + 0x18]
test ecx, ecx
jbe 0x40405a
lea ebx, [eax + 0xc]
lea edi, [eax + 0x14]
lea esi, [eax + 0x10]
mov dword [ebp - 8], ecx
mov eax, dword [edi]
test eax, eax
je 0x404049
mov ecx, dword [ebp + 8]
mov edx, dword [esi]
add eax, ecx
push eax
mov eax, dword [ebx]
add eax, dword [ebp - 0xc]
call fcn.00404a73
pop ecx
add esi, 0x28
add edi, 0x28
add ebx, 0x28
dec dword [ebp - 8]
jne 0x404030
mov edi, dword [ebp - 0xc]
mov esi, dword [edi + 0x3c]
add esi, edi
call fcn.00403e97
sub eax, dword [0x40500c]
cmp eax, 0x7fff
jbe 0x404078
xor eax, eax
jmp 0x404106
mov ecx, dword [esi + 0xa4]
mov dword [ebp - 0x10], ecx
test ecx, ecx
je 0x4040e9
mov eax, dword [esi + 0xa0]
mov ebx, edi
sub ebx, dword [esi + 0x34]
add eax, edi
test ecx, ecx
jbe 0x4040e9
mov edx, dword [eax + 4]
sub edx, 8
mov dword [ebp - 8], edx
mov edx, dword [eax]
mov dword [ebp - 0x14], edx
lea edx, [eax + 8]
mov dword [ebp + 8], edx
je 0x4040de
mov ecx, dword [ebp + 8]
movzx ecx, word [ecx]
mov edx, ecx
shr edx, 0xc
test edx, edx
je 0x4040cd
cmp edx, 3
jne 0x40410b
and ecx, 0xfff
add ecx, dword [ebp - 0x14]
add ecx, edi
add dword [ecx], ebx
sub dword [ebp - 8], 2
add dword [ebp + 8], 2
cmp dword [ebp - 8], 0
ja 0x4040ac
mov ecx, dword [ebp - 0x10]
sub ecx, dword [eax + 4]
mov eax, dword [ebp + 8]
mov dword [ebp - 0x10], ecx
jne 0x404096
cmp dword [esi + 0x84], 0
je 0x404100
mov ebx, dword [esi + 0x80]
add ebx, edi
jne 0x4041c7
mov dword [ebp - 0x18], edi
mov eax, dword [ebp - 0x18]
pop edi
pop esi
pop ebx
leave
ret
mov esi, 0x405010
push 0x401120
mov eax, esi
call fcn.00404a07
push 0x401414
jmp 0x404205
lea esi, [eax + edi]
call fcn.00403e97
sub eax, dword [0x40500c]
cmp eax, 0x7fff
ja 0x404071
push esi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov dword [ebp - 8], eax
test eax, eax
je 0x4041d7
mov esi, dword [ebx]
add esi, edi
mov edi, dword [ebx + 0x10]
add edi, dword [ebp - 0xc]
jmp 0x4041bb
and dword [ebp - 0x10], 0
and dword [ebp - 0x14], 0
mov ecx, 0x80000000
mov edx, eax
and edx, ecx
cmp edx, ecx
je 0x404193
mov ecx, dword [ebp - 0xc]
lea eax, [eax + ecx + 2]
mov ecx, eax
mov dword [ebp - 0x1c], eax
call fcn.00404a41
mov ecx, dword [ebp - 0x14]
mov word [ebp - 0x20], ax
mov word [ebp - 0x1e], ax
lea eax, [ebp - 0x20]
jmp 0x404199
movzx ecx, word [esi]
mov eax, dword [ebp - 0x10]
and dword [ebp + 8], 0
lea edx, [ebp + 8]
push edx
push ecx
push eax
push dword [ebp - 8]
call dword [section..data]
mov eax, dword [ebp + 8]
test eax, eax
je 0x4041ef
mov dword [edi], eax
add esi, 4
add edi, 4
mov eax, dword [esi]
test eax, eax
jne 0x40415d
mov edi, dword [ebp - 0xc]
add ebx, 0x14
mov eax, dword [ebx + 0xc]
test eax, eax
jne 0x404126
jmp 0x404100
mov esi, 0x405010
push 0x401120
mov eax, esi
call fcn.00404a07
push 0x401424
jmp 0x404205
mov esi, 0x405010
push 0x401120
mov eax, esi
call fcn.00404a07
push 0x401434
call fcn.004049cd
jmp 0x404103