Function at 0x40fd27
Capabilities:
Accept command line arguments
Read file via mapping
Set environment variable

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x5c
push ebx
push esi
push edi
push 1
call fcn.00410c24
xor ebx, ebx
push ebx
call dword [sym.imp.ole32.dll_OleInitialize]
mov ecx, 0x44b750
call fcn.00411779
mov esi, 0x7000
push esi
push ebx
mov edi, 0x4369d8
push edi
call fcn.0041a0c0
add esp, 0xc
call dword [sym.imp.KERNEL32.dll_GetCommandLineW]
mov dword [ebp - 8], eax
cmp eax, ebx
je 0x40fddb
push eax
call fcn.0040d471
cmp byte [0x43da31], bl
je 0x40fdcd
push str.winrarsfxmappingfile.tmp
push ebx
push 4
call dword [sym.imp.KERNEL32.dll_OpenFileMappingW]
mov dword [ebp - 8], eax
cmp eax, ebx
je 0x40fdc2
push esi
push ebx
push ebx
push 4
push eax
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov dword [ebp - 4], eax
cmp eax, ebx
je 0x40fdb9
push esi
push eax
push edi
call fcn.0041bb00
add esp, 0xc
push edi
push str.sfxcmd
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableW]
push dword [ebp - 4]
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
push dword [ebp - 8]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
jmp 0x40fddb
push dword [ebp - 8]
push str.sfxcmd
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableW]
push 0x800
mov esi, 0x4359d8
push esi
push ebx
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
push esi
push str.sfxname
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableW]
push ebx
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
mov edi, eax
push 0x64
push edi
mov dword [0x42f764], edi
mov dword [0x42f768], edi
call dword [sym.imp.USER32.dll_LoadIconW]
push 0x65
push dword [0x42f768]
mov dword [0x4359d4], eax
call dword [sym.imp.USER32.dll_LoadBitmapW]
lea ecx, [ebp - 0xc]
mov dword [0x4359d0], eax
call fcn.004198cc
push esi
mov ecx, 0x42f77c
call fcn.0040c19a
lea ecx, [ebp - 0x5c]
call fcn.00418d6f
lea ecx, [ebp - 0x34]
call fcn.00418d6f
push 0x64
call fcn.0040d058
push 0x64
mov dword [ebp - 0x40], eax
call fcn.0040d058
push ebx
push 0x40f49f
mov dword [ebp - 0x18], eax
push ebx
lea eax, [ebp - 0x5c]
mov dword [0x4349cc], eax
push str.STARTDLG
lea eax, [ebp - 0x34]
push edi
mov dword [0x4349c8], eax
call dword [sym.imp.USER32.dll_DialogBoxParamW]
lea ecx, [ebp - 0x34]
mov dword [0x4349c8], ebx
mov dword [0x4349cc], ebx
call fcn.00418d91
lea ecx, [ebp - 0x5c]
call fcn.00418d91
lea ecx, [ebp - 0xc]
call fcn.00419926
cmp byte [0x43da28], bl
je 0x40feba
call fcn.0040d6bc
mov ecx, 0x448fd8
call fcn.0040cdfb
cmp dword [0x43da0c], ebx
jbe 0x40fed8
push dword [0x43da00]
call fcn.00419d72
pop ecx
push dword [0x4359d4]
mov esi, dword [sym.imp.GDI32.dll_DeleteObject]
call esi
mov eax, dword [0x4359d0]
cmp eax, ebx
je 0x40fef2
push eax
call esi
cmp dword [0x42f76c], ebx
jne 0x40ff11
cmp byte [0x43d9ea], bl
je 0x40ff11
push 0xff
mov ecx, 0x42f76c
call fcn.004062af
mov eax, dword [0x43da1c]
mov byte [0x43d9ea], 1
cmp eax, ebx
je 0x40ff27
push eax
call fcn.0040d67d
mov eax, dword [0x43da18]
cmp eax, ebx
je 0x40ff37
push eax
call dword [sym.imp.KERNEL32.dll_Sleep]
call dword [sym.imp.ole32.dll_OleUninitialize]
mov eax, dword [0x43da14]
pop edi
pop esi
cmp eax, ebx
pop ebx
ja 0x40ff4e
mov eax, dword [0x42f76c]
leave
ret 0x10