Function at 0x403cc7
Capabilities:
Accept command line arguments
Check os version
Copy file
Delete file
Get common file path
Get file attributes
Get file system object information
Set current directory
Set environment variable
Shutdown system
Terminate process

Disassembly:
sub esp, 0x3ec
push ebx
push ebp
push esi
push edi
xor ebx, ebx
mov edi, 0x409da0
push 0x8001
mov dword [esp + 0x14], ebx
mov ebp, ebx
call dword [sym.imp.KERNEL32.dll_SetErrorMode]
mov esi, dword [sym.imp.KERNEL32.dll_GetVersionExW]
lea eax, [esp + 0x2c]
xorps xmm0, xmm0
mov dword [esp + 0x40], ebx
push eax
movlpd qword [esp + 0x144], xmm0
mov dword [esp + 0x30], 0x11c
call esi
test eax, eax
jne 0x403d49
lea eax, [esp + 0x2c]
mov dword [esp + 0x2c], 0x114
push eax
call esi
push 0x53
pop eax
mov dl, 4
mov byte [esp + 0x146], dl
cmp word [esp + 0x40], ax
jne 0x403d45
mov eax, dword [esp + 0x5a]
add eax, 0xffffffd0
mov word [esp + 0x140], ax
jmp 0x403d50
xor eax, eax
jmp 0x403d3b
mov dl, byte [esp + 0x146]
cmp dword [esp + 0x30], 0xa
jae 0x403d62
movzx eax, word [esp + 0x38]
mov dword [esp + 0x38], eax
jmp 0x403d66
mov eax, dword [esp + 0x38]
mov dword [0x46f658], eax
movzx eax, byte [esp + 0x30]
shl ax, 8
movzx ecx, ax
movzx eax, byte [esp + 0x34]
or ecx, eax
movzx eax, byte [esp + 0x140]
shl ax, 8
shl ecx, 0x10
movzx eax, ax
or ecx, eax
movzx eax, dl
or ecx, eax
mov eax, 0x600
mov dword [0x46f65c], ecx
sar ecx, 0x10
cmp cx, ax
je 0x403dbb
push ebx
call fcn.00407295
test eax, eax
je 0x403dbb
push 0xc00
call eax
mov esi, str.UXTHEME
push esi
call fcn.00406892
push esi
call dword [sym.imp.KERNEL32.dll_lstrlenA]
inc esi
add esi, eax
cmp byte [esi], bl
jne 0x403dc0
push 0xc
call fcn.00407295
push 0xa
call fcn.00407295
push 8
mov dword [0x467550], eax
call fcn.00407295
test eax, eax
je 0x403e01
push 0x1e
call eax
test eax, eax
je 0x403e01
or byte [0x46f65c], 0x80
call dword [sym.imp.COMCTL32.dll_InitCommonControls]
push ebx
call dword [sym.imp.ole32.dll_OleInitialize]
push ebx
push 0x2b4
mov dword [0x46f5c0], eax
lea eax, [esp + 0x150]
push eax
push ebx
push 0x409e2c
call dword [sym.imp.SHELL32.dll_SHGetFileInfoW]
push str.NSIS
push 0x467560
call fcn.004074c9
call dword [sym.imp.KERNEL32.dll_GetCommandLineW]
push eax
mov esi, 0x4c0000
push esi
call fcn.004074c9
movzx ecx, word [0x4c0000]
push 0x22
pop ebx
push 0x20
pop edx
cmp cx, bx
mov dword [0x467554], 0x400000
mov eax, ebx
mov dword [esp + 0x14], ebx
cmovne eax, edx
mov edx, 0x4c0002
movzx eax, ax
push eax
mov eax, esi
cmove eax, edx
push eax
call fcn.00406e7c
push eax
call dword [sym.imp.USER32.dll_CharNextW]
mov ecx, eax
mov ebx, ecx
mov dword [esp + 0x18], ebx
movzx eax, word [ecx]
test ax, ax
je 0x403f7c
mov esi, eax
push 0x20
pop edx
movzx eax, si
cmp si, dx
jne 0x403eb8
add ecx, 2
movzx eax, word [ecx]
cmp ax, dx
je 0x403ead
mov ebx, edx
movzx esi, ax
movzx edx, ax
cmp ax, word [esp + 0x14]
jne 0x403ed0
movzx edx, word [ecx + 2]
push 0x22
pop eax
mov ebx, eax
cmp si, word [esp + 0x14]
lea eax, [ecx + 2]
cmovne eax, ecx
cmp dx, 0x2f
jne 0x403f3a
push 0x53
add eax, 2
pop ecx
push 0x20
pop edx
cmp word [eax], cx
jne 0x403f07
movzx ecx, word [eax + 2]
cmp cx, dx
je 0x403efd
test cx, cx
jne 0x403f07
mov dword [0x46f640], 1
cmp dword [eax], 0x43004e
jne 0x403f29
cmp dword [eax + 4], 0x430052
jne 0x403f29
movzx ecx, word [eax + 8]
cmp cx, dx
je 0x403f26
test cx, cx
jne 0x403f29
or ebp, 4
cmp dword [eax - 4], 0x2f0020
jne 0x403f3a
cmp dword [eax], 0x3d0044
je 0x403f64
push ebx
push eax
call fcn.00406e7c
mov ecx, eax
push 0x22
pop ebx
movzx eax, word [ecx]
mov edx, eax
cmp ax, bx
jne 0x403f56
add ecx, 2
movzx edx, word [ecx]
movzx esi, dx
test dx, dx
jne 0x403ea2
jmp 0x403f78
xor ecx, ecx
mov word [eax - 4], cx
add eax, 4
push eax
push 0x4c4000
call fcn.004074c9
mov ebx, dword [esp + 0x18]
mov esi, dword [sym.imp.KERNEL32.dll_GetTempPathW]
push 0x4d4000
push 0x2000
call esi
call fcn.004042d1
test eax, eax
jne 0x404002
push 0x1ffb
push 0x4d4000
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryW]
push str.Temp
push 0x4d4000
call sub.KERNEL32.dll_lstrcatW
call fcn.004042d1
test eax, eax
jne 0x404002
push 0x4d4000
push 0x1ffc
call esi
push 0x409e4c
mov esi, 0x4d4000
push esi
call sub.KERNEL32.dll_lstrcatW
push esi
mov esi, dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableW]
push str.TEMP
call esi
push 0x4d4000
push 0x409e60
call esi
call fcn.004042d1
test eax, eax
je 0x4041ea
push 0x4d0000
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push ebp
call fcn.0040394f
mov edi, eax
test edi, edi
jne 0x4041ea
cmp dword [0x46f564], eax
je 0x40408a
xor ebp, ebp
push ebp
push 0x4c0000
call fcn.00406e7c
mov esi, eax
mov eax, 0x4c0000
jmp 0x40404f
cmp dword [esi], 0x5f0020
jne 0x40404c
cmp dword [esi + 4], 0x3d003f
je 0x404053
sub esi, 2
cmp esi, eax
jae 0x40403b
mov edi, 0x409cdc
cmp esi, eax
jb 0x4040a4
xor eax, eax
mov word [esi], ax
add esi, 8
push esi
call fcn.00406ebe
test eax, eax
je 0x404234
push esi
push 0x4c4000
call fcn.004074c9
push esi
push 0x4c8000
call fcn.004074c9
mov edi, ebp
or dword [0x46f64c], 0xffffffff
call fcn.00406116
push 1
mov ebx, eax
call fcn.00406f6e
jmp 0x4041ee
call fcn.00406bea
push 0x4d4000
mov dword [esp + 0x1c], eax
call sub.KERNEL32.dll_lstrlenW
push ebx
push section..ndata
mov esi, eax
call fcn.004074c9
cmp word [0x4c4000], bp
jne 0x4040dc
push 0x4cc000
push 0x4c4000
call fcn.004074c9
xor ebx, ebx
lea eax, [esi*2 + 0x4d4000]
inc ebx
mov dword [esp + 0x14], eax
mov esi, ebp
movzx ebp, bx
push ebp
push str.nsu_X.tmp
push eax
call dword [sym.imp.USER32.dll_wsprintfW]
mov eax, dword [0x46f570]
add esp, 0xc
push dword [eax + 0x120]
push 0x484000
call fcn.0040659c
cmp dword [esp + 0x18], 0
push 0x4d4000
je 0x404127
call fcn.00406541
jmp 0x40412c
call fcn.00406521
test eax, eax
je 0x404179
push 0x484000
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
test eax, 0x400
jne 0x404212
push 0x484000
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
test eax, eax
je 0x404212
push 1
push 0x4d4000
call fcn.0040706e
mov eax, esi
inc esi
test eax, eax
jne 0x404212
mov eax, dword [esp + 0x14]
jmp 0x4040ef
push 0x4d4000
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryW]
push 0
push 0x4d4000
call fcn.0040692b
push 1
push 0x484000
push 0x4dc000
call dword [sym.imp.KERNEL32.dll_CopyFileW]
test eax, eax
je 0x4041ea
push 0
push 0x484000
call fcn.0040692b
mov eax, dword [0x46f570]
push dword [eax + 0x124]
push 0x488000
call fcn.0040659c
push 0x488000
call fcn.0040702b
test eax, eax
jne 0x404225
mov eax, esi
inc esi
test eax, eax
jne 0x4041ea
push 0x484000
call fcn.00406e55
test eax, eax
je 0x404170
mov ebx, dword [esp + 0x10]
xor ebp, ebp
call fcn.00403c85
call dword [sym.imp.ole32.dll_OleUninitialize]
test edi, edi
je 0x404238
push 0x200010
push edi
call fcn.00407457
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
mov eax, dword [esp + 0x14]
inc ebx
push 0
pop ebp
test bx, bx
jne 0x4040ea
jmp 0x4041ea
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor ebp, ebp
mov edi, ebp
mov ebx, edi
jmp 0x4041f0
mov ebx, ebp
jmp 0x4041ee
cmp dword [0x46f634], 0
je 0x4042bd
lea eax, [esp + 0x18]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call dword [sym.imp.ADVAPI32.dll_OpenProcessToken]
test eax, eax
je 0x40428d
lea eax, [esp + 0x20]
push eax
push str.SeShutdownPrivilege
push ebp
call dword [sym.imp.ADVAPI32.dll_LookupPrivilegeValueW]
push ebp
push ebp
push ebp
lea eax, [esp + 0x28]
mov dword [esp + 0x28], 1
push eax
push ebp
push dword [esp + 0x2c]
mov dword [esp + 0x40], 2
call dword [sym.imp.ADVAPI32.dll_AdjustTokenPrivileges]
push 4
call fcn.00407295
mov esi, 0x80040002
test eax, eax
je 0x4042a9
push esi
push 0x25
push ebp
push ebp
push ebp
call eax
test eax, eax
je 0x4042b6
push esi
push 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
test eax, eax
jne 0x4042bd
push 9
call fcn.0040153b
cmp dword [0x46f64c], 0xffffffff
cmovne ebx, dword [0x46f64c]
push ebx
jmp 0x40420c