Function at 0x436c20
Capabilities:
Check os version
Create process on windows
Hide graphical window
Query or enumerate registry value

Disassembly:
mov eax, 0x1200
call fcn.0046a970
mov eax, dword [0x4c437c]
xor eax, esp
mov dword [esp + 0x11fc], eax
push ebx
mov ebx, dword [esp + 0x120c]
push esi
mov esi, dword [esp + 0x120c]
push edi
mov edi, dword [sym.imp.KERNEL32.dll_GetVersionExA]
lea eax, [esp + 0x70]
push eax
mov dword [0x4e9f04], esi
mov dword [esp + 0x74], 0x94
call edi
test eax, eax
jne 0x436c6f
push 1
call fcn.0046dd82
mov edx, dword [esp + 0x80]
mov ecx, dword [esp + 0x74]
mov eax, dword [esp + 0x78]
mov dword [0x4e9ec4], ecx
mov dword [0x4e9ec8], eax
cmp edx, 2
jne 0x436d7c
cmp ecx, 5
jne 0x436d09
test eax, eax
jne 0x436caa
mov dword [0x4e9ec0], 7
jmp 0x436dd0
cmp eax, 1
jne 0x436cbe
mov dword [0x4e9ec0], 8
jmp 0x436dd0
cmp eax, 2
jne 0x436dc6
lea ecx, [esp + 0x104]
push ecx
mov dword [esp + 0x108], 0x9c
call edi
mov al, byte [esp + 0x19e]
cmp al, 3
je 0x436cfa
cmp al, 2
je 0x436cfa
mov dword [0x4e9ec0], 9
jmp 0x436dd0
mov dword [0x4e9ec0], 0xa
jmp 0x436dd0
cmp ecx, 6
jne 0x436d6b
test eax, eax
jne 0x436d51
lea edx, [esp + 0x104]
push edx
mov dword [esp + 0x108], 0x9c
call edi
mov al, byte [esp + 0x19e]
cmp al, 3
je 0x436d45
cmp al, 2
je 0x436d45
mov dword [0x4e9ec0], 0xb
jmp 0x436dd0
mov dword [0x4e9ec0], 0xc
jmp 0x436dd0
cmp eax, 1
jne 0x436dc6
call fcn.00427400
neg eax
sbb eax, eax
neg eax
add eax, 0xd
mov dword [0x4e9ec0], eax
jmp 0x436dd0
cmp ecx, 4
jne 0x436dc6
mov dword [0x4e9ec0], 6
jmp 0x436dd0
cmp edx, 1
jne 0x436db8
cmp ecx, 4
jne 0x436dc6
test eax, eax
jne 0x436d96
mov dword [0x4e9ec0], 2
jmp 0x436dd0
cmp eax, 0xa
jne 0x436da7
mov dword [0x4e9ec0], 3
jmp 0x436dd0
cmp eax, 0x5a
jne 0x436dc6
mov dword [0x4e9ec0], 4
jmp 0x436dd0
mov dword [0x4e9ec0], 1
test edx, edx
je 0x436dd0
mov dword [0x4e9ec0], 0
push 0
call dword [sym.imp.ole32.dll_CoInitialize]
push str.SetCurrentProcessExplicitAppUserModelID
push str.shell32.dll
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x436dfa
push str.TrueCryptFoundation.TrueCrypt
call eax
call fcn.0042c390
test eax, eax
je 0x436f49
call dword [sym.imp.SHELL32.dll_IsUserAnAdmin]
test eax, eax
jne 0x436f49
call fcn.0042c250
test eax, eax
je 0x436f49
push str._q_UAC
push ebx
call fcn.0046d660
add esp, 8
cmp eax, ebx
jne 0x436e3b
push 1
call fcn.0046dd82
push 0x30
lea eax, [esp + 0x1c]
push 0
push eax
call fcn.00469be0
add esp, 0xc
lea ecx, [esp + 0x18]
push ecx
mov dword [esp + 0x1c], 0x30
mov dword [esp + 0x24], 0x424d60
mov dword [esp + 0x30], esi
mov dword [esp + 0x44], 0x4a4850
call dword [sym.imp.USER32.dll_RegisterClassExA]
push 0
push esi
mov esi, dword [sym.imp.USER32.dll_GetSystemMetrics]
push 0
push 0
push 1
push 1
push 1
call esi
cdq
sub eax, edx
sar eax, 1
push eax
push 0
call esi
cdq
sub eax, edx
sar eax, 1
push eax
push 0
push 0x4a4850
push 0x4a4850
push 0x80080
call dword [sym.imp.USER32.dll_CreateWindowExA]
push 2
push 0
mov esi, eax
push 0
push esi
call dword [sym.imp.USER32.dll_SetLayeredWindowAttributes]
push 1
push esi
call dword [sym.imp.USER32.dll_ShowWindow]
push 0x104
lea edx, [esp + 0x108]
push edx
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
mov eax, dword [str._q_UAC]
mov ecx, dword [0x4a62b0]
push ebx
lea edx, [esp + 0x20c]
push 0x1000
push edx
mov dword [esp + 0x214], eax
mov dword [esp + 0x218], ecx
call fcn.0046fe33
add esp, 0xc
push 1
push 0
lea eax, [esp + 0x210]
push eax
lea ecx, [esp + 0x110]
push ecx
push str.runas
push esi
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
cmp eax, 0x20
jg 0x436f37
push 1
call fcn.0046dd82
push 0x7d0
call dword [sym.imp.KERNEL32.dll_Sleep]
push 0
call fcn.0046dd82
push 0x436b70
call dword [sym.imp.KERNEL32.dll_SetUnhandledExceptionFilter]
push 0x1000
call dword [sym.imp.USER32.dll_GetSystemMetrics]
neg eax
sbb eax, eax
neg eax
cmp dword [0x4e9ec4], 5
mov dword [0x4e9ed0], eax
jge 0x436f7a
push 1
call fcn.0046dd82
lea edx, [esp + 0x104]
push edx
mov dword [esp + 0x108], 0x9c
call edi
test eax, eax
je 0x437070
mov cx, word [esp + 0x198]
movzx eax, cx
mov dword [0x4e9ecc], eax
mov eax, dword [0x4e9ec0]
sub eax, 7
je 0x436fea
sub eax, 1
jne 0x437047
cmp cx, 1
jae 0x437047
lea ecx, [esp + 0xc]
push ecx
push 0x20019
push eax
push str.SystemCurrentControlSetControlminint
push SysStringLen
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
test eax, eax
jne 0x437047
mov edx, dword [esp + 0xc]
push edx
jmp 0x437041
cmp cx, 3
jb 0x437047
lea eax, [esp + 0xc]
push eax
push 0x20019
push 0
push str.SYSTEMCurrentControlSetServicesAtapiParameters
push SysStringLen
mov dword [esp + 0x28], 0
mov dword [esp + 0x24], 4
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
test eax, eax
jne 0x43703c
lea ecx, [esp + 0x10]
push ecx
lea edx, [esp + 0x18]
push edx
push eax
push eax
mov eax, dword [esp + 0x1c]
push str.EnableBigLba
push eax
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
mov ecx, dword [esp + 0xc]
push ecx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
cmp dword [0x4e9ec4], 6
jne 0x437070
cmp dword [0x4e9ec8], 1
jne 0x437070
mov edx, dword [esp + 0x110]
dec edx
cmp edx, 0x1dae
ja 0x437070
push 0
call fcn.0046dd82
mov ecx, dword [0x4e9f04]
lea eax, [esp + 0x48]
push eax
push str.32770
push ecx
call dword [sym.imp.USER32.dll_GetClassInfoA]
test eax, eax
jne 0x43709b
push eax
call fcn.004293d0
add esp, 4
push 1
call fcn.0046dd82
mov eax, dword [0x4e9ec4]
test eax, eax
jg 0x4370b0
mov byte [0], 0
mov eax, dword [0x4e9ec4]
shl eax, 8
or eax, dword [0x4e9ec8]
shl eax, 8
or eax, dword [0x4e9ecc]
cmp eax, 0x60100
jge 0x4370d3
mov dword [0x4c2ca0], 0x10000
push str.Riched20.dll
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
test eax, eax
jne 0x4370f2
push eax
call fcn.004293d0
add esp, 4
push 1
call fcn.0046dd82
call fcn.00424e70
call fcn.0044fd40
test eax, eax
jne 0x437110
push eax
call fcn.004293d0
add esp, 4
push 1
call fcn.0046dd82
mov ecx, dword [esp + 0x1208]
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.0046a1be
add esp, 0x1200
ret