Function at 0x81cf92
Capabilities:
Get common file path
Get comspec environment variable
Get hostname
Get keyboard layout
Get session user name
Query environment variable

Disassembly:
push ebx
mov ebx, esp
push ecx
push ecx
and esp, 0xfffffff8
add esp, 4
push ebp
mov ebp, dword [ebx + 4]
mov dword [esp + 4], ebp
mov ebp, esp
sub esp, 0x284
push ebx
push esi
push edi
mov dword [ebp - 4], ecx
xor eax, eax
push 0x104
lea ecx, [ebp - 0x18]
mov word [ebp - 0x280], ax
call fcn.00806270
xor eax, eax
mov dword [ebp - 0x1c], eax
mov edi, eax
mov eax, dword [ebx + 8]
mov esi, dword [eax]
push esi
push dword [edi*4 + 0x8b1a00]
call fcn.00825232
pop ecx
pop ecx
test eax, eax
je 0x81cfee
inc edi
cmp edi, 0x61
jl 0x81cfd5
mov esi, dword [ebp - 4]
cmp edi, 0x61
je 0x85d159
cmp edi, 0x60
ja case.0x81cfff.88
jmp dword [edi*4 + 0x81d062]
lea eax, [esi + 0xd8]
push eax
mov ecx, dword [ebx + 0xc]
call fcn.008062b5
xor edi, edi
mov dword [ebp - 0x1c], edi
lea ecx, [ebp - 0x18]
call fcn.0080988f
mov eax, dword [ebp - 0x1c]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret 8
push 0x89cc80
mov ecx, dword [ebx + 0xc]
call fcn.00809c6e
jmp case.0x81cfff.88
lea eax, [esi + 0xc8]
jmp 0x81d00c
mov esi, dword [ebx + 0xc]
mov ecx, esi
call fcn.0080cfa0
xor edi, edi
mov dword [esi + 0xc], 1
mov dword [esi], edi
jmp 0x81d017
push 0x8c733c
lea ecx, [ebp - 0x2c]
call fcn.00809cb3
push dword [ebx + 8]
lea ecx, [ebp - 0x2c]
call fcn.00806350
xor eax, eax
push eax
mov dword [ebp - 4], eax
lea eax, [ebp - 4]
push eax
lea eax, [ebp - 0x2c]
push eax
call fcn.0081d2f0
test eax, eax
jne 0x85d18e
or dword [ebp - 0x1c], 0xffffffff
jmp 0x85d197
mov ecx, dword [ebx + 0xc]
push eax
call fcn.0080aceb
lea ecx, [ebp - 0x2c]
call fcn.0080988f
jmp 0x81d01a
push 0x8c7394
jmp 0x81d036
push 0x8af368
jmp 0x81d036
push 0x8c7398
jmp 0x81d036
mov eax, dword [esi]
mov eax, dword [eax + 4]
cmp byte [eax + esi + 0xd], 0
mov edi, dword [eax + esi + 8]
je 0x85d1d5
mov edi, dword [edi + 0x38]
mov edi, dword [edi + 0x14]
jmp 0x85d1e0
mov edi, dword [esi + 0x150]
mov esi, dword [ebx + 0xc]
mov ecx, esi
call fcn.0080cfa0
mov dword [esi + 0xc], 1
mov dword [esi], edi
jmp case.0x81cfff.88
mov eax, dword [esi]
mov eax, dword [eax + 4]
cmp byte [eax + esi + 0xd], 0
mov ecx, dword [eax + esi + 8]
je 0x85d20b
mov ecx, dword [ecx + 0x38]
lea eax, [ecx + 0x20]
mov ecx, dword [ebx + 0xc]
push eax
call fcn.0080aceb
jmp case.0x81cfff.88
lea eax, [ebp - 0x2c]
push eax
call dword [sym.imp.KERNEL32.dll_GetLocalTime]
movzx eax, word [ebp - 0x1e]
push eax
push 0x8c739c
jmp 0x85d247
lea ecx, [ebp - 8]
call fcn.00887585
mov ecx, eax
call fcn.00887528
push eax
push 0x8c672c
lea eax, [ebp - 0x280]
push eax
call fcn.0081fb21
jmp 0x85d275
lea eax, [ebp - 0x280]
mov edx, str.SYSTEMCurrentControlSetControlNlsLanguage
push eax
push 0x104
push str.InstallLanguage
mov ecx, reloc.WSOCK32.dll_bind
call fcn.00803b1c
add esp, 0xc
jmp 0x85d292
lea eax, [ebp - 0x30]
mov dword [ebp - 0x30], 0x104
push eax
lea eax, [ebp - 0x280]
push eax
call dword [sym.imp.ADVAPI32.dll_GetUserNameW]
lea eax, [ebp - 0x280]
jmp 0x85d2a8
xor ecx, ecx
inc ecx
lea edx, [ebp - 0x60]
call fcn.0086de27
lea eax, [ebp - 0x60]
push eax
jmp 0x81d036
push 0x8c73a8
jmp 0x85d2ba
push 0x8c73d0
lea eax, [ebp - 0x2c]
push eax
lea ecx, [ebp - 8]
call fcn.00887585
mov ecx, eax
call fcn.008874cd
mov ecx, dword [ebx + 0xc]
push eax
call fcn.008062b5
lea ecx, [ebp - 0x2c]
call fcn.0080988f
jmp case.0x81cfff.88
push 0x8c73b0
jmp 0x85d2ba
push 0x8c73b8
jmp 0x85d2ba
push 0x8c672c
jmp 0x85d2ba
push 0x8c73c0
jmp 0x85d2ba
push 0x8c73c8
jmp 0x85d2ba
push 0x26
jmp 0x85d30c
push 7
lea edx, [ebp - 0x18]
pop ecx
call fcn.0086df27
jmp 0x85d31f
lea ecx, [ebp - 0x18]
call fcn.00803a5a
lea eax, [ebp - 0x18]
jmp 0x81d00c
push 0x2b
jmp 0x85d30c
push 5
jmp 0x85d30c
push 0x23
jmp 0x85d30c
push 0x19
jmp 0x85d30c
push 0x2e
jmp 0x85d30c
push 0x1f
jmp 0x85d30c
push 0x17
jmp 0x85d30c
push 0x16
jmp 0x85d30c
push 0x18
jmp 0x85d30c
push 0x1c
jmp 0x85d30c
push 0x1a
jmp 0x85d30c
push 0x10
jmp 0x85d30c
push 6
jmp 0x85d30c
push 2
jmp 0x85d30c
push 0xb
jmp 0x85d30c
lea eax, [ebp - 0x30]
mov dword [ebp - 0x30], 0x104
push eax
lea eax, [ebp - 0x280]
push eax
call dword [sym.imp.KERNEL32.dll_GetComputerNameW]
jmp 0x85d292
push 0x104
lea eax, [ebp - 0x280]
push eax
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryW]
test eax, eax
je case.0x81cfff.88
jmp 0x85d292
cmp byte [0x8d13da], 0
je 0x85d3f0
push 0x89cbe0
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov esi, eax
test esi, esi
je 0x85d3c9
push str.GetSystemWow64DirectoryW
push esi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
jne 0x85d3ce
mov eax, 0x81fb4c
push 0x104
lea ecx, [ebp - 0x280]
push ecx
call eax
test esi, esi
je 0x85d292
push esi
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
jmp 0x85d292
push 0x104
lea eax, [ebp - 0x280]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
jmp 0x85d292
mov esi, dword [ebx + 0xc]
mov ecx, esi
call fcn.0080cfa0
mov dword [esi + 0xc], 1
mov dword [esi], 6
jmp case.0x81cfff.88
mov esi, dword [ebx + 0xc]
mov ecx, esi
call fcn.0080cfa0
mov dword [esi + 0xc], 1
mov dword [esi], 9
jmp case.0x81cfff.88
mov esi, dword [ebx + 0xc]
mov ecx, esi
call fcn.0080cfa0
mov dword [esi + 0xc], 1
mov dword [esi], 5
jmp case.0x81cfff.88
mov esi, dword [ebx + 0xc]
mov ecx, esi
call fcn.0080cfa0
mov dword [esi + 0xc], 1
mov dword [esi], 0xa
jmp case.0x81cfff.88
mov esi, dword [ebx + 0xc]
mov ecx, esi
call fcn.0080cfa0
mov dword [esi + 0xc], 1
mov dword [esi], 3
jmp case.0x81cfff.88
mov esi, dword [ebx + 0xc]
mov ecx, esi
call fcn.0080cfa0
mov dword [esi + 0xc], 1
mov dword [esi], 2
jmp case.0x81cfff.88
mov esi, dword [ebx + 0xc]
mov ecx, esi
call fcn.0080cfa0
mov dword [esi + 0xc], 1
mov dword [esi], 7
jmp case.0x81cfff.88
mov esi, dword [ebx + 0xc]
mov ecx, esi
call fcn.0080cfa0
mov dword [esi + 0xc], 1
mov dword [esi], 8
jmp case.0x81cfff.88
mov esi, dword [ebx + 0xc]
mov ecx, esi
call fcn.0080cfa0
mov dword [esi + 0xc], 1
mov dword [esi], 4
jmp case.0x81cfff.88
xor eax, eax
cmp byte [0x8d1368], 1
jmp 0x85d517
xor eax, eax
cmp byte [0x8d1999], 1
mov esi, dword [ebx + 0xc]
sete al
mov ecx, esi
mov dword [ebp - 4], eax
call fcn.0080cfa0
mov dword [esi + 0xc], 1
mov eax, dword [ebp - 4]
jmp 0x85d543
mov esi, dword [ebx + 0xc]
mov ecx, esi
call fcn.0080cfa0
xor eax, eax
inc eax
mov dword [esi + 0xc], eax
mov dword [esi], eax
jmp case.0x81cfff.88
mov esi, dword [ebx + 0xc]
mov ecx, esi
call fcn.0080cfa0
mov dword [esi + 0xc], 1
mov dword [esi], 0x40
jmp case.0x81cfff.88
mov esi, dword [ebx + 0xc]
mov ecx, esi
call fcn.0080cfa0
mov dword [esi + 0xc], 1
mov dword [esi], 0x41
jmp case.0x81cfff.88
mov esi, dword [ebx + 0xc]
mov ecx, esi
call fcn.0080cfa0
mov dword [esi + 0xc], 1
mov dword [esi], 0x42
jmp case.0x81cfff.88
mov esi, dword [ebx + 0xc]
mov ecx, esi
call fcn.0080cfa0
mov dword [esi + 0xc], 1
mov dword [esi], 0x43
jmp case.0x81cfff.88
lea eax, [esi + 0xb8]
jmp 0x81d00c
push dword [esi + 0xf8]
call fcn.008699a2
mov edi, eax
jmp 0x85d1e0
lea eax, [ebp - 0x280]
push eax
push 0x104
call dword [sym.imp.KERNEL32.dll_GetCurrentDirectoryW]
jmp 0x85d292
movzx eax, word [0x8d13dc]
test eax, eax
je 0x85d64e
cmp eax, 6
je 0x85d617
cmp eax, 9
jne 0x85d60d
mov eax, 0x8c73ec
jmp 0x85d2a8
mov eax, str.UNKNOWN
jmp 0x85d2a8
mov eax, str.IA64
jmp 0x85d2a8
mov eax, reloc.WSOCK32.dll_accept
lea edi, [ebp - 0x2c]
xor ecx, ecx
push ebx
cpuid
mov esi, ebx
pop ebx
mov dword [edi], eax
mov eax, 0x8c73ec
mov dword [edi + 4], esi
mov dword [edi + 8], ecx
mov dword [edi + 0xc], edx
test dword [ebp - 0x20], 0x20000000
jne 0x85d2a8
mov eax, 0x8c73d8
jmp 0x85d2a8
push str.WIN32_NT
jmp 0x81d036
xor eax, eax
inc eax
cmp byte [0x8d13d2], al
jne 0x85d677
mov eax, str.WIN_11
jmp 0x85d2a8
cmp byte [0x8d13d0], al
jne 0x85d689
mov eax, str.WIN_10
jmp 0x85d2a8
cmp byte [0x8d13d8], al
jne 0x85d69b
mov eax, str.WIN_2022
jmp 0x85d2a8
cmp byte [0x8d13d6], al
jne 0x85d6ad
mov eax, str.WIN_2019
jmp 0x85d2a8
cmp byte [0x8d13d4], al
jne 0x85d6bf
mov eax, str.WIN_2016
jmp 0x85d2a8
cmp byte [0x8d13cc], al
jne 0x85d6d1
mov eax, str.WIN_81
jmp 0x85d2a8
cmp byte [0x8d13ce], al
jne 0x85d6e3
mov eax, str.WIN_2012R2
jmp 0x85d2a8
cmp byte [0x8d13ca], al
jne 0x85d6f5
mov eax, str.WIN_2012
jmp 0x85d2a8
cmp byte [0x8d13c8], al
jne 0x85d707
mov eax, str.WIN_8
jmp 0x85d2a8
cmp byte [0x8d13c6], al
jne 0x85d719
mov eax, str.WIN_2008R2
jmp 0x85d2a8
cmp byte [0x8d13c4], al
jne 0x85d72b
mov eax, str.WIN_7
jmp 0x85d2a8
cmp byte [0x8d13c2], al
jne 0x85d73d
mov eax, str.WIN_2008
jmp 0x85d2a8
cmp byte [0x8d13c0], al
jne 0x85d74f
mov eax, str.WIN_VISTA
jmp 0x85d2a8
cmp byte [0x8d13be], al
jne 0x85d761
mov eax, str.WIN_2003
jmp 0x85d2a8
cmp byte [0x8d13bc], al
jne 0x85d60d
cmp byte [0x8d13de], 0
je 0x85d780
mov eax, str.WIN_XPe
jmp 0x85d2a8
mov eax, str.WIN_XP
jmp 0x85d2a8
mov edi, dword [0x8d13a8]
jmp 0x85d1e0
push 0x8d13ac
jmp 0x81d00d
lea eax, [ebp - 0x280]
mov edx, str.Control_PanelAppearance
push eax
push 0x104
push str.SchemeLangID
mov ecx, reloc.WSOCK32.dll_accept
call fcn.00803b1c
movzx eax, word [ebp - 0x280]
lea ecx, [ebp - 0x280]
add esp, 0xc
mov dword [ebp - 0x30], eax
xor edi, edi
push edi
push eax
push 4
pop edx
call fcn.00809d19
pop ecx
pop ecx
mov ecx, dword [ebx + 0xc]
lea eax, [ebp - 0x280]
push eax
call fcn.00809c6e
jmp 0x81d017
lea eax, [ebp - 0x74]
push eax
call dword [sym.imp.USER32.dll_GetKeyboardLayoutNameW]
lea eax, [ebp - 0x74]
jmp 0x85d2a8
lea ecx, [ebp - 0x280]
call fcn.0088747e
jmp 0x85d292
push 2
jmp 0x85d81c
push 4
pop ecx
jmp 0x85d29d
push 3
jmp 0x85d81c
lea eax, [ebp - 0x40]
push eax
call dword [sym.imp.USER32.dll_GetDesktopWindow]
push eax
call dword [sym.imp.USER32.dll_GetWindowRect]
mov edi, dword [ebp - 0x38]
jmp 0x85d1e0
lea eax, [ebp - 0x40]
push eax
call dword [sym.imp.USER32.dll_GetDesktopWindow]
push eax
call dword [sym.imp.USER32.dll_GetWindowRect]
mov edi, dword [ebp - 0x34]
jmp 0x85d1e0
call dword [sym.imp.USER32.dll_GetDesktopWindow]
push eax
mov dword [ebp - 0x1c], eax
call dword [sym.imp.USER32.dll_GetDC]
push 0xc
jmp 0x85d87e
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 - 4], eax
call dword [sym.imp.GDI32.dll_GetDeviceCaps]
mov esi, dword [ebx + 0xc]
mov edi, eax
mov ecx, esi
call fcn.0080cfa0
push dword [ebp - 4]
mov dword [esi + 0xc], 1
push dword [ebp - 0x1c]
mov dword [esi], edi
call dword [sym.imp.USER32.dll_ReleaseDC]
jmp case.0x81cfff.88
push 0x104
lea eax, [ebp - 0x280]
push eax
push str.COMSPEC
jmp 0x85d8d2
push 0x104
lea eax, [ebp - 0x280]
push eax
push str.USERDNSDOMAIN
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableW]
jmp 0x85d292
lea eax, [ebp - 0x280]
push eax
push 0x104
call dword [sym.imp.KERNEL32.dll_GetTempPathW]
lea ecx, [ebp - 0x280]
call fcn.008033a7
jmp 0x85d292
mov eax, dword [0x8d1400]
cmp eax, 3
je 0x85d915
cmp eax, 4
je 0x85d915
xor edi, edi
jmp 0x85d1e0
xor edi, edi
inc edi
jmp 0x85d1e0
push 0x104
lea eax, [ebp - 0x280]
push eax
push str.USERPROFILE
jmp 0x85d8d2
push 0x104
lea eax, [ebp - 0x280]
push eax
push str.HOMEDRIVE
jmp 0x85d8d2
push 0x104
lea eax, [ebp - 0x280]
push eax
push str.HOMEPATH
jmp 0x85d8d2
push 0x104
lea eax, [ebp - 0x280]
push eax
push str.HOMESHARE
jmp 0x85d8d2
push 0x104
lea eax, [ebp - 0x280]
push eax
push str.LOGONSERVER
jmp 0x85d8d2
push 0x104
lea eax, [ebp - 0x280]
push eax
push str.USERDOMAIN
jmp 0x85d8d2
lea eax, [esi + 0x154]
jmp 0x81d00c
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
mov dword [ebp - 4], eax
fild dword [ebp - 4]
test eax, eax
jns 0x85d9bc
fadd qword [0x8c81c0]
mov esi, dword [ebx + 0xc]
mov ecx, esi
fstp qword [ebp - 8]
call fcn.0080cfa0
fld qword [ebp - 8]
fstp qword [esi]
mov dword [esi + 0xc], 3
jmp case.0x81cfff.88