Function at 0x40c647
Capabilities:
Get common file path
Get comspec environment variable
Get hostname
Get keyboard layout
Get session user name
Query environment variable

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x334
push ebx
push esi
push edi
mov dword [ebp - 0x1c], ecx
xor eax, eax
push 0x104
lea ecx, [ebp - 0x10]
mov word [ebp - 0x330], ax
call fcn.004079d6
mov eax, dword [ebp + 8]
xor edi, edi
mov esi, edi
mov edi, dword [eax]
push edi
push dword [esi*4 + 0x4a5240]
call fcn.00423f7c
pop ecx
pop ecx
test eax, eax
je 0x40c68e
inc esi
cmp esi, 0x61
jl 0x40c675
push 0
mov dword [ebp - 0x2c], esi
cmp esi, 0x61
mov esi, dword [ebp - 0x1c]
pop edi
je 0x441f40
mov eax, dword [ebp - 0x2c]
cmp eax, 0x60
ja case.0x40c6a8.88
jmp dword [eax*4 + 0x40c7cf]
lea eax, [esi + 0xd8]
mov ecx, dword [ebp + 0xc]
push eax
call fcn.00409a8c
lea ecx, [ebp - 0x10]
call fcn.004058c3
mov eax, edi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8
push 0x492bd0
mov ecx, dword [ebp + 0xc]
call fcn.00409ae8
jmp case.0x40c6a8.88
lea eax, [esi + 0xc8]
jmp 0x40c6b5
mov esi, dword [ebp + 0xc]
mov ecx, esi
call fcn.004098d0
mov dword [esi], edi
mov dword [esi + 0xc], 1
jmp case.0x40c6a8.88
push 0x4b910c
jmp 0x40c6d6
push 0x4b8800
jmp 0x40c6d6
push 0x4b9110
jmp 0x40c6d6
push 0x26
jmp 0x44219a
push 0x2b
jmp 0x44219a
push 5
jmp 0x44219a
push 0x23
jmp 0x44219a
push 0x19
jmp 0x44219a
push 0x2e
jmp 0x44219a
push 0x1f
jmp 0x44219a
push 0x17
jmp 0x44219a
push 0x16
jmp 0x44219a
push 0x18
jmp 0x44219a
push 0x1c
jmp 0x44219a
push 0x1a
jmp 0x44219a
push 0x10
jmp 0x44219a
push 6
jmp 0x44219a
push 2
jmp 0x44219a
push 0xb
jmp 0x44219a
mov esi, dword [ebp + 0xc]
mov ecx, esi
jmp 0x4422f1
lea eax, [esi + 0xb8]
jmp 0x40c6b5
push str.WIN32_NT
jmp 0x40c6d6
mov eax, dword [0x4c6428]
add eax, 0xc
jmp 0x40c6b5
xor ecx, ecx
inc ecx
jmp 0x4425b9
push 3
jmp 0x4425b8
push 4
jmp 0x4425b8
lea eax, [esi + 0x14c]
jmp 0x40c6b5
push 0x4b90b0
lea ecx, [ebp - 0x40]
call fcn.00407da1
push dword [ebp + 8]
lea ecx, [ebp - 0x40]
call fcn.00407aee
push edi
lea eax, [ebp + 8]
mov dword [ebp + 8], edi
push eax
lea eax, [ebp - 0x40]
push eax
call fcn.004083fa
test eax, eax
jne 0x441f72
or edi, 0xffffffff
jmp 0x441f7b
mov ecx, dword [ebp + 0xc]
push eax
call fcn.00409dc8
lea ecx, [ebp - 0x40]
jmp 0x44209a
mov eax, dword [esi]
lea ecx, [esi + 4]
mov eax, dword [eax + 4]
add ecx, eax
call fcn.0042074c
mov edi, dword [eax + 0x14]
jmp 0x441f9d
mov edi, dword [esi + 0x148]
mov esi, dword [ebp + 0xc]
mov ecx, esi
call fcn.004098d0
mov dword [esi], edi
xor edi, edi
jmp 0x40c6f4
mov eax, dword [esi]
lea ecx, [esi + 4]
mov eax, dword [eax + 4]
add ecx, eax
call fcn.0042074c
mov ecx, dword [ebp + 0xc]
add eax, 0x20
push eax
call fcn.00409dc8
jmp case.0x40c6a8.88
lea eax, [ebp - 0x28]
push eax
call dword [sym.imp.KERNEL32.dll_GetLocalTime]
movzx eax, word [ebp - 0x1a]
push eax
push 0x4b9114
jmp 0x441ffe
lea ecx, [ebp - 0x100]
call fcn.0047c187
mov ecx, eax
call fcn.0047c126
push eax
push 0x4b851c
lea eax, [ebp - 0x330]
push eax
call fcn.004240c8
jmp 0x44202c
lea eax, [ebp - 0x330]
mov edx, str.SYSTEMCurrentControlSetControlNlsLanguage
push eax
push 0x104
push str.InstallLanguage
mov ecx, reloc.WSOCK32.dll_bind
call fcn.00403575
add esp, 0xc
jmp 0x442037
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
lea eax, [ebp - 0x330]
jmp 0x442044
mov eax, str.WIN_XP
push eax
jmp 0x40c6d6
push 0x4b9120
lea eax, [ebp - 0xf8]
push eax
lea ecx, [ebp - 0x30]
call fcn.0047c187
mov ecx, eax
call fcn.0047c0c9
mov ecx, dword [ebp + 0xc]
push eax
call fcn.00409a8c
lea ecx, [ebp - 0xf8]
jmp 0x44209a
push 0x4b9148
lea eax, [ebp - 0x80]
push eax
lea ecx, [ebp - 0x38]
call fcn.0047c187
mov ecx, eax
call fcn.0047c0c9
mov ecx, dword [ebp + 0xc]
push eax
call fcn.00409a8c
lea ecx, [ebp - 0x80]
call fcn.004058c3
jmp case.0x40c6a8.88
push 0x4b9128
lea eax, [ebp - 0x90]
push eax
lea ecx, [ebp - 0xa8]
call fcn.0047c187
mov ecx, eax
call fcn.0047c0c9
mov ecx, dword [ebp + 0xc]
push eax
call fcn.00409a8c
lea ecx, [ebp - 0x90]
jmp 0x44209a
push 0x4b9130
lea eax, [ebp - 0x110]
push eax
lea ecx, [ebp - 0xe8]
call fcn.0047c187
mov ecx, eax
call fcn.0047c0c9
mov ecx, dword [ebp + 0xc]
push eax
call fcn.00409a8c
lea ecx, [ebp - 0x110]
jmp 0x44209a
push 0x4b851c
lea eax, [ebp - 0xa0]
push eax
lea ecx, [ebp - 0xc0]
call fcn.0047c187
mov ecx, eax
call fcn.0047c0c9
mov ecx, dword [ebp + 0xc]
push eax
call fcn.00409a8c
lea ecx, [ebp - 0xa0]
jmp 0x44209a
push 0x4b9138
lea eax, [ebp - 0xb8]
push eax
lea ecx, [ebp - 0xd8]
call fcn.0047c187
mov ecx, eax
call fcn.0047c0c9
mov ecx, dword [ebp + 0xc]
push eax
call fcn.00409a8c
lea ecx, [ebp - 0xb8]
jmp 0x44209a
push 0x4b9140
lea eax, [ebp - 0xd0]
push eax
lea ecx, [ebp - 0xe0]
call fcn.0047c187
mov ecx, eax
call fcn.0047c0c9
mov ecx, dword [ebp + 0xc]
push eax
call fcn.00409a8c
lea ecx, [ebp - 0xd0]
jmp 0x44209a
push 7
lea edx, [ebp - 0x10]
pop ecx
call fcn.00464ae2
jmp 0x4421ad
lea ecx, [ebp - 0x10]
call fcn.004046c8
lea eax, [ebp - 0x10]
jmp 0x40c6b5
lea eax, [ebp - 0x14]
mov dword [ebp - 0x14], 0x104
push eax
lea eax, [ebp - 0x330]
push eax
call dword [sym.imp.KERNEL32.dll_GetComputerNameW]
jmp 0x442037
push 0x104
lea eax, [ebp - 0x330]
push eax
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryW]
test eax, eax
je case.0x40c6a8.88
jmp 0x442037
mov eax, dword [0x4c6428]
push 0x104
cmp byte [eax + 0x30], 0
lea eax, [ebp - 0x330]
push eax
je 0x442031
lea ecx, [ebp - 0x24]
mov dword [ebp - 0x24], edi
mov dword [ebp - 0x1c], edi
call fcn.0047c092
call eax
cmp dword [ebp - 0x24], 0
je 0x442037
push dword [ebp - 0x24]
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
jmp 0x442037
mov esi, dword [ebp + 0xc]
mov ecx, esi
call fcn.004098d0
mov dword [esi], 6
jmp 0x40c6f4
mov esi, dword [ebp + 0xc]
mov ecx, esi
call fcn.004098d0
mov dword [esi], 3
jmp 0x40c6f4
mov esi, dword [ebp + 0xc]
mov ecx, esi
call fcn.004098d0
mov dword [esi], 9
jmp 0x40c6f4
mov esi, dword [ebp + 0xc]
mov ecx, esi
call fcn.004098d0
mov dword [esi], 5
jmp 0x40c6f4
mov esi, dword [ebp + 0xc]
mov ecx, esi
call fcn.004098d0
mov dword [esi], 0xa
jmp 0x40c6f4
mov esi, dword [ebp + 0xc]
mov ecx, esi
call fcn.004098d0
mov dword [esi], 2
jmp 0x40c6f4
mov esi, dword [ebp + 0xc]
mov ecx, esi
call fcn.004098d0
mov dword [esi], 7
jmp 0x40c6f4
mov esi, dword [ebp + 0xc]
mov ecx, esi
call fcn.004098d0
mov dword [esi], 8
jmp 0x40c6f4
mov esi, dword [ebp + 0xc]
mov ecx, esi
call fcn.004098d0
mov dword [esi], 4
jmp 0x40c6f4
call fcn.004098d0
xor eax, eax
inc eax
mov dword [esi + 0xc], eax
mov dword [esi], eax
jmp case.0x40c6a8.88
cmp byte [0x4c5288], 1
jmp 0x442313
cmp byte [0x4c5899], 1
mov esi, dword [ebp + 0xc]
mov ecx, esi
je 0x4422f1
call fcn.004098d0
xor eax, eax
mov dword [esi], edi
inc eax
mov dword [esi + 0xc], eax
jmp case.0x40c6a8.88
mov esi, dword [ebp + 0xc]
mov ecx, esi
call fcn.004098d0
mov dword [esi], 0x40
jmp 0x40c6f4
mov esi, dword [ebp + 0xc]
mov ecx, esi
call fcn.004098d0
mov dword [esi], 0x41
jmp 0x40c6f4
mov esi, dword [ebp + 0xc]
mov ecx, esi
call fcn.004098d0
mov dword [esi], 0x42
jmp 0x40c6f4
mov esi, dword [ebp + 0xc]
mov ecx, esi
call fcn.004098d0
mov dword [esi], 0x43
jmp 0x40c6f4
push dword [esi + 0xf4]
call fcn.0046033b
mov edi, eax
jmp 0x441f9d
lea eax, [ebp - 0x330]
push eax
push 0x104
call dword [sym.imp.KERNEL32.dll_GetCurrentDirectoryW]
jmp 0x442037
mov eax, dword [0x4c6428]
movzx eax, word [eax + 0x32]
test eax, eax
je 0x4423e1
cmp eax, 6
je 0x4423d7
mov ecx, dword [ebp + 0xc]
cmp eax, 9
je 0x4423cd
push str.UNKNOWN
jmp 0x40c6d9
push 0x4b9164
jmp 0x40c6d9
push str.IA64
jmp 0x40c6d6
push 0x4b9150
jmp 0x40c6d6
lea esi, [ebp - 0x80]
xor ecx, ecx
mov eax, reloc.WSOCK32.dll_accept
cpuid
mov dword [esi], eax
mov eax, 0x4b9164
mov dword [esi + 4], ebx
mov dword [esi + 8], ecx
mov dword [esi + 0xc], edx
test dword [ebp - 0x74], 0x20000000
jne 0x442044
mov eax, 0x4b9150
jmp 0x442044
mov eax, dword [0x4c6428]
xor ecx, ecx
inc ecx
cmp byte [eax + 0x2c], cl
jne 0x442435
push str.WIN_81
jmp 0x40c6d6
cmp byte [eax + 0x2e], cl
jne 0x442444
push str.WIN_2012R2
jmp 0x40c6d6
cmp byte [eax + 0x2a], cl
jne 0x442453
push str.WIN_2012
jmp 0x40c6d6
cmp byte [eax + 0x28], cl
jne 0x442462
push str.WIN_8
jmp 0x40c6d6
cmp byte [eax + 0x26], cl
jne 0x442471
push str.WIN_2008R2
jmp 0x40c6d6
cmp byte [eax + 0x24], cl
jne 0x442480
push str.WIN_7
jmp 0x40c6d6
cmp byte [eax + 0x22], cl
jne 0x44248f
push str.WIN_2008
jmp 0x40c6d6
cmp byte [eax + 0x20], cl
jne 0x44249e
push str.WIN_VISTA
jmp 0x40c6d6
cmp byte [eax + 0x1e], cl
jne 0x4424ad
push str.WIN_2003
jmp 0x40c6d6
cmp byte [eax + 0x1c], cl
jne 0x4424c6
cmp byte [eax + 0x34], 0
mov eax, str.WIN_XPe
jne 0x442044
jmp 0x44203f
push str.UNKNOWN
jmp 0x40c6d6
mov eax, dword [0x4c6428]
mov edi, dword [eax + 8]
jmp 0x441f9d
lea eax, [ebp - 0x330]
mov edx, str.Control_PanelAppearance
push eax
push 0x104
push str.SchemeLangID
mov ecx, reloc.WSOCK32.dll_accept
call fcn.00403575
movzx eax, word [ebp - 0x330]
lea ecx, [ebp - 0x330]
add esp, 0xc
mov dword [ebp - 0x14], eax
push edi
push eax
push 4
pop edx
call fcn.00420523
pop ecx
pop ecx
jmp 0x442037
lea eax, [ebp - 0x124]
push eax
call dword [sym.imp.USER32.dll_GetKeyboardLayoutNameW]
lea eax, [ebp - 0x124]
jmp 0x442044
lea eax, [ebp - 0x330]
push str.3__3__13__19
push eax
call fcn.004237ec
lea eax, [ebp - 0x330]
mov dword [ebp + 8], edi
push eax
mov esi, edi
call fcn.0042362c
add esp, 0xc
test eax, eax
jle 0x4425a7
push 0x20
pop ecx
push 0x2e
pop edx
movzx eax, word [ebp + edi*2 - 0x330]
cmp ax, cx
je 0x44258d
cmp eax, 0x2c
jne 0x442584
mov word [ebp + esi*2 - 0x330], dx
jmp 0x44258c
mov word [ebp + esi*2 - 0x330], ax
inc esi
lea eax, [ebp - 0x330]
inc edi
push eax
call fcn.0042362c
pop ecx
push 0x20
pop ecx
push 0x2e
pop edx
cmp edi, eax
jl 0x442568
xor edi, edi
xor eax, eax
mov word [ebp + esi*2 - 0x330], ax
jmp 0x442037
push 2
pop ecx
lea edx, [ebp - 0x70]
call fcn.004649d6
lea eax, [ebp - 0x70]
jmp 0x442044
lea eax, [ebp - 0x50]
push eax
call dword [sym.imp.USER32.dll_GetDesktopWindow]
push eax
call dword [sym.imp.USER32.dll_GetWindowRect]
mov edi, dword [ebp - 0x48]
jmp 0x441f9d
lea eax, [ebp - 0x50]
push eax
call dword [sym.imp.USER32.dll_GetDesktopWindow]
push eax
call dword [sym.imp.USER32.dll_GetWindowRect]
mov edi, dword [ebp - 0x44]
jmp 0x441f9d
call dword [sym.imp.USER32.dll_GetDesktopWindow]
push eax
mov dword [ebp - 0x1c], eax
call dword [sym.imp.USER32.dll_GetDC]
push 0xc
jmp 0x442621
call dword [sym.imp.USER32.dll_GetDesktopWindow]
push eax
mov dword [ebp - 0x1c], eax
call dword [sym.imp.USER32.dll_GetDC]
push 0x74
push eax
mov dword [ebp + 8], eax
call dword [sym.imp.GDI32.dll_GetDeviceCaps]
mov esi, dword [ebp + 0xc]
mov edi, eax
mov ecx, esi
call fcn.004098d0
push dword [ebp + 8]
mov dword [esi + 0xc], 1
push dword [ebp - 0x1c]
mov dword [esi], edi
call dword [sym.imp.USER32.dll_ReleaseDC]
xor edi, edi
jmp case.0x40c6a8.88
push 0x104
lea eax, [ebp - 0x330]
push eax
push str.COMSPEC
jmp 0x442677
push 0x104
lea eax, [ebp - 0x330]
push eax
push str.USERDNSDOMAIN
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableW]
jmp 0x442037
lea eax, [ebp - 0x330]
push eax
push 0x104
call dword [sym.imp.KERNEL32.dll_GetTempPathW]
lea ecx, [ebp - 0x330]
call fcn.00420f4f
jmp 0x442037
lea eax, [ebp - 0x14]
mov dword [ebp - 0x14], 0x104
push eax
lea eax, [ebp - 0x330]
push eax
call dword [sym.imp.ADVAPI32.dll_GetUserNameW]
jmp 0x442037
mov eax, dword [0x4c52e0]
cmp eax, 3
je case.0x40c6a8.44
cmp eax, 4
jne case.0x40c6a8.31
jmp case.0x40c6a8.44
push 0x104
lea eax, [ebp - 0x330]
push eax
push str.USERPROFILE
jmp 0x442677
push 0x104
lea eax, [ebp - 0x330]
push eax
push str.HOMEDRIVE
jmp 0x442677
push 0x104
lea eax, [ebp - 0x330]
push eax
push str.HOMEPATH
jmp 0x442677
push 0x104
lea eax, [ebp - 0x330]
push eax
push str.HOMESHARE
jmp 0x442677
push 0x104
lea eax, [ebp - 0x330]
push eax
push str.LOGONSERVER
jmp 0x442677
push 0x104
lea eax, [ebp - 0x330]
push eax
push str.USERDOMAIN
jmp 0x442677
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
mov dword [ebp + 8], eax
fild dword [ebp + 8]
test eax, eax
jns 0x442774
fadd qword [0x4b9e28]
mov esi, dword [ebp + 0xc]
mov ecx, esi
fstp qword [ebp - 0x20]
call fcn.004098d0
fld qword [ebp - 0x20]
fstp qword [esi]
mov dword [esi + 0xc], 3
jmp case.0x40c6a8.88