Function at 0x539a10
Capabilities:
Check for peb beingdebugged flag
Check mutex on windows
Get number of processors
Query environment variable
Set environment variable

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5cd9da
mov eax, dword fs:[0]
push eax
sub esp, 0x7fc
mov eax, dword [0x5edf2c]
xor eax, ebp
mov dword [ebp - 0x10], eax
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov byte [ebp - 0x115], 1
call fcn.0057a010
call fcn.00537b30
mov eax, dword [sym.imp.KERNEL32.dll_CreateThread]
mov dword [ebp - 0x11c], eax
mov ecx, dword [ebp - 0x11c]
add ecx, 1
mov dword [ebp - 0x11c], ecx
mov edx, dword [sym.imp.USER32.dll_LoadStringA]
mov dword [ebp - 0x11c], edx
mov eax, dword [ebp - 0x11c]
add eax, 1
mov dword [ebp - 0x11c], eax
mov ecx, dword [sym.imp.USER32.dll_LoadStringW]
mov dword [ebp - 0x11c], ecx
mov edx, dword [ebp - 0x11c]
add edx, 1
mov dword [ebp - 0x11c], edx
push 0x538630
call fcn.0058dd5e
add esp, 4
mov eax, dword [0x608418]
mov ecx, dword [0x608418]
mov edx, dword [eax + 0x84]
xor edx, dword [ecx + 0x3c]
push edx
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push 0x5f11e0
push 0x104
lea eax, [ebp - 0x224]
push eax
call fcn.0058cce4
add esp, 0x14
lea ecx, [ebp - 0x224]
push ecx
push 0
push 0x1f0001
call dword [sym.imp.KERNEL32.dll_OpenMutexA]
test eax, eax
je 0x539afd
mov byte [ebp - 0x115], 0
movzx edx, byte [ebp - 0x115]
test edx, edx
je 0x539ce0
mov eax, dword [0x608418]
mov ecx, dword [0x608418]
mov edx, dword [eax + 0x74]
xor edx, dword [ecx + 0x88]
mov eax, dword [0x608418]
xor edx, dword [eax]
and edx, 0x20
je 0x539ce0
mov ecx, dword [0x608418]
mov edx, dword [0x608418]
mov eax, dword [ecx + 0x80]
xor eax, dword [edx + 0x64]
mov ecx, dword [0x608418]
xor eax, dword [ecx + 0x84]
push eax
push 0x5f11d8
push 0x104
lea edx, [ebp - 0x224]
push edx
call fcn.0058cce4
add esp, 0x10
lea eax, [ebp - 0x224]
push eax
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
mov dword [ebp - 0x22c], eax
cmp dword [ebp - 0x22c], 0
je 0x539ce0
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
jne 0x539ce0
push 0x7530
mov ecx, dword [ebp - 0x22c]
push ecx
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov dword [ebp - 0x230], eax
cmp dword [ebp - 0x230], 0
je 0x539bd1
cmp dword [ebp - 0x230], 0x80
jne 0x539cd6
mov edx, dword [0x608418]
mov eax, dword [0x608418]
mov ecx, dword [edx + 0x80]
xor ecx, dword [eax + 0x64]
mov edx, dword [0x608418]
xor ecx, dword [edx + 0x84]
push ecx
push 0x5f11d0
push 0x104
lea eax, [ebp - 0x224]
push eax
call fcn.0058cce4
add esp, 0x10
mov dword [ebp - 0x238], 0
jmp 0x539c26
mov ecx, dword [ebp - 0x238]
add ecx, 1
mov dword [ebp - 0x238], ecx
cmp dword [ebp - 0x238], 0x12c
jge 0x539c5f
lea edx, [ebp - 0x224]
push edx
push 0x5f11c4
call dword [sym.imp.USER32.dll_FindWindowA]
mov dword [ebp - 0x234], eax
cmp dword [ebp - 0x234], 0
je 0x539c55
jmp 0x539c5f
push 0x64
call dword [sym.imp.KERNEL32.dll_Sleep]
jmp 0x539c17
cmp dword [ebp - 0x234], 0
je 0x539cc9
mov eax, dword [0x608418]
mov ecx, dword [0x608418]
mov edx, dword [eax + 0x80]
xor edx, dword [ecx + 0x64]
mov eax, dword [0x608418]
xor edx, dword [eax + 0x84]
mov dword [ebp - 0x244], edx
mov ecx, dword [0x608190]
push ecx
call fcn.00588dc0
add esp, 4
add eax, 1
mov dword [ebp - 0x240], eax
mov edx, dword [0x608190]
mov dword [ebp - 0x23c], edx
lea eax, [ebp - 0x244]
push eax
push 0
push 0x4a
mov ecx, dword [ebp - 0x234]
push ecx
call dword [sym.imp.USER32.dll_SendMessageA]
mov edx, dword [ebp - 0x22c]
push edx
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
mov eax, 1
jmp 0x53a2d2
push 1
call fcn.0053a2f0
add esp, 4
movzx eax, byte [ebp - 0x115]
test eax, eax
je 0x53a067
mov ecx, dword [0x608418]
mov edx, dword [0x608418]
mov eax, dword [ecx + 0x74]
xor eax, dword [edx + 0x88]
mov ecx, dword [0x608418]
xor eax, dword [ecx]
and eax, 0x40
jne 0x53a067
push 0x200
lea edx, [ebp - 0x444]
push edx
push 0x5f11bc
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
test eax, eax
jne 0x53a067
push 0xc8
push 0x23
lea eax, [ebp - 0x444]
push eax
call fcn.00589d40
add esp, 0xc
mov byte [ebp - 0x37c], 0
mov dword [ebp - 0x548], 1
jmp 0x539d76
mov ecx, dword [ebp - 0x548]
add ecx, 1
mov dword [ebp - 0x548], ecx
cmp dword [ebp - 0x548], 0x40
jg 0x539db5
mov edx, dword [ebp - 0x548]
push edx
push 0x5f11b4
push 0x100
lea eax, [ebp - 0x544]
push eax
call fcn.0058cce4
add esp, 0x10
lea ecx, [ebp - 0x444]
push ecx
lea edx, [ebp - 0x544]
push edx
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
jmp 0x539d67
mov eax, dword [0x608418]
mov ecx, dword [0x608418]
mov edx, dword [eax + 0x74]
xor edx, dword [ecx + 0x88]
mov eax, dword [0x608418]
xor edx, dword [eax]
and edx, 0x10
jne 0x53a067
lea ecx, [ebp - 0x724]
push ecx
call fcn.0056d980
add esp, 4
mov dword [ebp - 4], 0
lea edx, [ebp - 0x30]
push edx
call fcn.0051fde0
add esp, 4
mov dword [ebp - 0x7fc], eax
mov eax, dword [ebp - 0x7fc]
mov dword [ebp - 0x800], eax
mov byte [ebp - 4], 1
mov ecx, dword [ebp - 0x800]
push ecx
lea ecx, [ebp - 0x5ac]
call fcn.00567780
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x30]
call fcn.00524200
cmp dword [0x608188], 1
jne 0x539e64
cmp dword [ebp - 0x718], 0
jne 0x539e64
lea ecx, [ebp - 0x5ac]
call fcn.00568480
movzx edx, al
test edx, edx
jne 0x539e64
lea ecx, [ebp - 0x5ac]
call fcn.00568020
mov dword [ebp - 0x718], eax
push 0
lea eax, [ebp - 0x744]
push eax
call fcn.0056d250
add esp, 8
mov byte [ebp - 4], 4
lea ecx, [ebp - 0x744]
call fcn.00524290
movzx ecx, al
test ecx, ecx
je 0x539ed0
mov dword [ebp - 0x7ec], 0
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x744]
call fcn.00524200
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x5ac]
call fcn.005205d0
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x724]
call fcn.00523d80
mov eax, dword [ebp - 0x7ec]
jmp 0x53a2d2
lea edx, [ebp - 0xb0]
push edx
call fcn.0056dbb0
add esp, 4
mov dword [ebp - 0x804], eax
mov eax, dword [ebp - 0x804]
mov dword [ebp - 0x808], eax
mov byte [ebp - 4], 5
mov ecx, dword [ebp - 0x808]
push ecx
lea ecx, [ebp - 0x94]
call fcn.00520550
mov byte [ebp - 4], 6
lea ecx, [ebp - 0x744]
call fcn.00524250
push eax
lea ecx, [ebp - 0x114]
call fcn.00520550
mov byte [ebp - 4], 7
lea edx, [ebp - 0x5bc]
push edx
lea eax, [ebp - 0x724]
push eax
push 0x608f78
push 0x608f78
push 0
push 0
push 0
push 0
lea ecx, [ebp - 0x94]
push ecx
lea edx, [ebp - 0x114]
push edx
call fcn.0056d4b0
add esp, 0x28
neg eax
sbb eax, eax
add eax, 1
mov byte [ebp - 0x7ed], al
mov byte [ebp - 4], 6
lea ecx, [ebp - 0x114]
call fcn.005205d0
mov byte [ebp - 4], 5
lea ecx, [ebp - 0x94]
call fcn.005205d0
mov byte [ebp - 4], 4
lea ecx, [ebp - 0xb0]
call fcn.00530ea0
movzx eax, byte [ebp - 0x7ed]
test eax, eax
je 0x53a010
mov dword [0x6082d8], 6
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 0x5f1194
push 0x100
push 0x6082e0
call fcn.0058cce4
add esp, 0x10
mov dword [ebp - 0x7f4], 0
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x744]
call fcn.00524200
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x5ac]
call fcn.005205d0
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x724]
call fcn.00523d80
mov eax, dword [ebp - 0x7f4]
jmp 0x53a2d2
push 0x2710
mov ecx, dword [ebp - 0x5bc]
push ecx
call dword [sym.imp.USER32.dll_WaitForInputIdle]
mov dword [ebp - 0x7f8], 1
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x744]
call fcn.00524200
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x5ac]
call fcn.005205d0
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x724]
call fcn.00523d80
mov eax, dword [ebp - 0x7f8]
jmp 0x53a2d2
mov edx, dword [0x608418]
mov eax, dword [0x608418]
mov ecx, dword [edx + 0x74]
xor ecx, dword [eax + 0x88]
mov edx, dword [0x608418]
xor ecx, dword [edx]
and ecx, 0x10
je 0x53a226
mov eax, dword [0x608418]
mov ecx, dword [0x608418]
mov edx, dword [eax + 0x84]
xor edx, dword [ecx + 0x3c]
push edx
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push 0x5f11e0
push 0x104
lea eax, [ebp - 0x224]
push eax
call fcn.0058cce4
add esp, 0x14
lea ecx, [ebp - 0x224]
push ecx
push 0
push 0x1f0001
call dword [sym.imp.KERNEL32.dll_OpenMutexA]
test eax, eax
jne 0x53a224
push 1
call dword [sym.imp.KERNEL32.dll_GetCurrentThread]
push eax
call dword [sym.imp.KERNEL32.dll_SetThreadPriority]
mov byte [ebp - 0x745], 0
push 0x5f08d0
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov dword [ebp - 0x74c], eax
cmp dword [ebp - 0x74c], 0
je 0x53a13f
push 0x5f1180
mov edx, dword [ebp - 0x74c]
push edx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [ebp - 0x7e8], eax
cmp dword [ebp - 0x7e8], 0
je 0x53a13f
call dword [ebp - 0x7e8]
test eax, eax
je 0x53a13f
mov byte [ebp - 0x745], 1
mov dword [ebp - 0x7e4], 0x94
lea eax, [ebp - 0x7e4]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
cmp dword [ebp - 0x7d4], 2
jne 0x53a171
mov eax, dword fs:[0x30]
movzx eax, byte [eax + 2]
or al, al
jne 0x53a17d
jmp 0x53a184
mov eax, dword fs:[0x20]
or eax, eax
jne 0x53a17d
jmp 0x53a184
mov byte [0x6081bc], 1
movzx ecx, byte [ebp - 0x745]
test ecx, ecx
je 0x53a1c2
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push 0x5f1178
push 0x104
lea edx, [ebp - 0x224]
push edx
call fcn.0058cce4
add esp, 0x10
lea eax, [ebp - 0x224]
push eax
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
jmp 0x53a224
cmp dword [0x608188], 0
sete cl
movzx edx, cl
push edx
call fcn.00523190
add esp, 4
movzx eax, al
test eax, eax
jne 0x53a210
mov dword [0x6082d8], 6
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 0x5f1168
push 0x100
push 0x6082e0
call fcn.0058cce4
add esp, 0x10
xor eax, eax
jmp 0x53a2d2
push 0
call fcn.0053a2f0
add esp, 4
mov eax, 1
jmp 0x53a2d2
jmp 0x53a25a
push 0
push 0x5f08dc
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
mov ecx, dword [0x608418]
mov edx, dword [0x608418]
mov eax, dword [ecx + 0x54]
xor eax, dword [edx + 0x88]
mov ecx, dword [0x608418]
xor eax, dword [ecx]
and eax, 2
je 0x53a25a
call fcn.0055eba0
call fcn.00538660
mov dword [ebp - 0x228], eax
push 0
call fcn.0053a2f0
add esp, 4
push 0
call fcn.0058dd5e
add esp, 4
cmp dword [ebp - 0x228], 1
jne 0x53a296
push 0x608188
call dword [0x6081b8]
add esp, 4
mov dword [ebp - 0x228], eax
push 0x538630
call fcn.0058dd5e
add esp, 4
cmp dword [0x6081b4], 0
je 0x53a2b2
call dword [0x6081b4]
cmp dword [0x6082d0], 0
je 0x53a2cc
push 0
push 0
mov edx, dword [0x6082cc]
push edx
call dword [0x6082d0]
mov eax, dword [ebp - 0x228]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.00588dae
mov esp, ebp
pop ebp
ret