Function at 0x100399f0
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x34
mov eax, dword [0x100b3040]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
push esi
push edi
mov dword [ebp - 0x2c], edx
mov ebx, ecx
mov dword [ebp - 0x34], eax
xor edi, edi
call fcn.10039960
cmp dword [0x100c768c], edi
je 0x10039c85
mov esi, dword [sym.imp.KERNEL32.dll_VirtualQuery]
lea eax, [ebp - 0x20]
push 0x1c
push eax
push ebx
call esi
cmp dword [ebp - 0x10], 0x1000
jne 0x10039a44
test byte [ebp - 0xc], 0xf0
je 0x10039a44
lea eax, [edi + 1]
jmp 0x10039a46
xor eax, eax
test eax, eax
je 0x10039c7e
push 0x1c
lea eax, [ebp - 0x20]
push eax
push dword [ebp - 0x2c]
call esi
cmp dword [ebp - 0x10], 0x1000
jne 0x10039c7e
test byte [ebp - 0xc], 0xf0
je 0x10039c7e
mov edx, dword [0x100c7688]
xor eax, eax
test edx, edx
je 0x10039a92
mov ecx, dword [0x100c7680]
cmp ebx, dword [ecx]
je 0x10039b76
inc eax
add ecx, 0x2c
cmp eax, edx
jb 0x10039a82
mov eax, dword [0x100c7678]
test eax, eax
je 0x10039aab
nop dword [eax + eax]
cmp dword [eax + 4], edi
jne 0x10039af8
mov eax, dword [eax]
test eax, eax
jne 0x10039aa0
push 0x40
push 0x3000
push 0x1000
push 0
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
test eax, eax
je 0x10039b89
mov dword [eax + 8], edi
lea edx, [eax + 0x20]
xor edi, edi
lea esi, [edi + 0x20]
mov dword [edx], edi
mov ecx, edx
mov dword [eax + 4], edx
add esi, 0x20
add edx, 0x20
mov edi, ecx
cmp esi, 0xfe0
jbe 0x10039ad2
mov ecx, dword [0x100c7678]
xor edi, edi
mov dword [eax], ecx
mov dword [0x100c7678], eax
mov edx, dword [eax + 4]
mov ecx, dword [edx]
inc dword [eax + 8]
mov dword [eax + 4], ecx
mov dword [ebp - 0x30], edx
test edx, edx
je 0x10039c77
mov eax, dword [ebp - 0x2c]
lea ecx, [ebp - 0x28]
mov dword [ebp - 0x28], ebx
mov dword [ebp - 0x24], eax
mov dword [ebp - 0x20], edx
call fcn.10039d70
test eax, eax
je 0x10039c68
mov ecx, dword [0x100c7680]
test ecx, ecx
jne 0x10039b90
push 0x580
push ecx
push dword [0x100c768c]
mov dword [0x100c7684], 0x20
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov ecx, eax
mov dword [0x100c7680], ecx
test ecx, ecx
jne 0x10039bca
mov edi, 9
test edi, edi
je 0x10039c8a
mov ecx, dword [ebp - 0x30]
call fcn.10038c90
jmp 0x10039c8a
cmp eax, 0xffffffff
je 0x10039a92
mov edi, 3
jmp 0x10039c8a
xor edx, edx
jmp 0x10039b03
mov eax, dword [0x100c7688]
mov edx, dword [0x100c7684]
cmp eax, edx
jb 0x10039bcf
imul eax, edx, 0x58
push eax
push ecx
push 0
push dword [0x100c768c]
call dword [sym.imp.KERNEL32.dll_HeapReAlloc]
mov ecx, eax
test ecx, ecx
je 0x10039b5c
mov eax, dword [0x100c7684]
add eax, eax
mov dword [0x100c7680], ecx
mov dword [0x100c7684], eax
mov eax, dword [0x100c7688]
imul esi, eax, 0x2c
inc eax
mov dword [0x100c7688], eax
add esi, ecx
je 0x10039b5c
mov eax, dword [ebp - 0x28]
mov edx, dword [ebp - 0x1c]
mov cl, dl
mov dword [esi], eax
and cl, 1
mov eax, dword [ebp - 0x24]
mov dword [esi + 4], eax
mov eax, dword [ebp - 0x20]
mov dword [esi + 8], eax
mov al, byte [esi + 0x14]
and al, 0xfe
or cl, al
mov eax, dword [esi + 0x18]
and cl, 0xfd
and eax, 0xfffffff0
and cl, 0xfb
mov byte [esi + 0x14], cl
mov ecx, dword [ebp - 0x18]
and ecx, 0xf
or ecx, eax
mov eax, dword [ebp - 0x14]
mov dword [esi + 0x18], ecx
mov ecx, dword [ebp - 0x10]
mov dword [esi + 0x1c], eax
mov eax, dword [ebp - 0xc]
mov dword [esi + 0x20], ecx
mov ecx, dword [ebp - 8]
mov dword [esi + 0x24], eax
mov dword [esi + 0x28], ecx
test edx, edx
je 0x10039c48
mov eax, dword [ebx - 5]
mov dword [esi + 0xc], eax
mov ax, word [ebx - 1]
mov word [esi + 0x10], ax
mov al, byte [ebx + 1]
mov byte [esi + 0x12], al
jmp 0x10039c53
mov eax, dword [ebx]
mov dword [esi + 0xc], eax
mov al, byte [ebx + 4]
mov byte [esi + 0x10], al
mov ecx, dword [ebp - 0x34]
test ecx, ecx
je 0x10039b61
mov eax, dword [ebp - 0x20]
mov dword [ecx], eax
jmp 0x10039b61
mov ecx, dword [ebp - 0x30]
mov edi, 8
call fcn.10038c90
jmp 0x10039c8a
mov edi, 9
jmp 0x10039c8a
mov edi, 7
jmp 0x10039c8a
mov edi, 2
xor ecx, ecx
mov eax, 0x100c767c
xchg dword [eax], ecx
mov ecx, dword [ebp - 4]
mov eax, edi
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.100976fc
mov esp, ebp
pop ebp
ret 4