Function at 0x4bebe0
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 0x539b9d
mov eax, dword fs:[0]
push eax
sub esp, 0x7f8
mov eax, dword [0x562890]
xor eax, ebp
mov dword [ebp - 0x18], eax
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov byte [ebp - 0xd], 1
call fcn.00501400
mov eax, dword [sym.imp.KERNEL32.dll_CreateThread]
mov dword [ebp - 0x14], eax
mov ecx, dword [ebp - 0x14]
add ecx, 1
mov dword [ebp - 0x14], ecx
mov edx, dword [sym.imp.USER32.dll_LoadStringA]
mov dword [ebp - 0x14], edx
mov eax, dword [ebp - 0x14]
add eax, 1
mov dword [ebp - 0x14], eax
mov ecx, dword [sym.imp.USER32.dll_LoadStringW]
mov dword [ebp - 0x14], ecx
mov edx, dword [ebp - 0x14]
add edx, 1
mov dword [ebp - 0x14], edx
push 0x4bd7f0
call fcn.005108ee
add esp, 4
mov eax, dword [0x578a24]
mov ecx, dword [0x578a24]
mov edx, dword [eax + 0x24]
xor edx, dword [ecx + 0x18]
push edx
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push 0x564efc
push 0x104
lea eax, [ebp - 0x124]
push eax
call fcn.00510358
add esp, 0x14
lea ecx, [ebp - 0x124]
push ecx
push 0
push 0x1f0001
call dword [sym.imp.KERNEL32.dll_OpenMutexA]
test eax, eax
je 0x4beca4
mov byte [ebp - 0xd], 0
movzx edx, byte [ebp - 0xd]
test edx, edx
je 0x4bee85
mov eax, dword [0x578a24]
mov ecx, dword [0x578a24]
mov edx, dword [eax + 0x6c]
xor edx, dword [ecx + 0x84]
mov eax, dword [0x578a24]
xor edx, dword [eax + 0x54]
and edx, 0x20
je 0x4bee85
mov ecx, dword [0x578a24]
mov edx, dword [0x578a24]
mov eax, dword [ecx + 0x80]
xor eax, dword [edx + 0x90]
mov ecx, dword [0x578a24]
xor eax, dword [ecx + 0x24]
push eax
push 0x564ef4
push 0x104
lea edx, [ebp - 0x124]
push edx
call fcn.00510358
add esp, 0x10
lea eax, [ebp - 0x124]
push eax
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
mov dword [ebp - 0x12c], eax
cmp dword [ebp - 0x12c], 0
je 0x4bee85
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
jne 0x4bee85
push 0x7530
mov ecx, dword [ebp - 0x12c]
push ecx
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov dword [ebp - 0x130], eax
cmp dword [ebp - 0x130], 0
je 0x4bed76
cmp dword [ebp - 0x130], 0x80
jne 0x4bee7b
mov edx, dword [0x578a24]
mov eax, dword [0x578a24]
mov ecx, dword [edx + 0x80]
xor ecx, dword [eax + 0x90]
mov edx, dword [0x578a24]
xor ecx, dword [edx + 0x24]
push ecx
push 0x564eec
push 0x104
lea eax, [ebp - 0x124]
push eax
call fcn.00510358
add esp, 0x10
mov dword [ebp - 0x138], 0
jmp 0x4bedcb
mov ecx, dword [ebp - 0x138]
add ecx, 1
mov dword [ebp - 0x138], ecx
cmp dword [ebp - 0x138], 0x12c
jge 0x4bee04
lea edx, [ebp - 0x124]
push edx
push 0x564ee0
call dword [sym.imp.USER32.dll_FindWindowA]
mov dword [ebp - 0x134], eax
cmp dword [ebp - 0x134], 0
je 0x4bedfa
jmp 0x4bee04
push 0x64
call dword [sym.imp.KERNEL32.dll_Sleep]
jmp 0x4bedbc
cmp dword [ebp - 0x134], 0
je 0x4bee6e
mov eax, dword [0x578a24]
mov ecx, dword [0x578a24]
mov edx, dword [eax + 0x80]
xor edx, dword [ecx + 0x90]
mov eax, dword [0x578a24]
xor edx, dword [eax + 0x24]
mov dword [ebp - 0x144], edx
mov ecx, dword [0x5787c8]
push ecx
call fcn.0050b800
add esp, 4
add eax, 1
mov dword [ebp - 0x140], eax
mov edx, dword [0x5787c8]
mov dword [ebp - 0x13c], edx
lea eax, [ebp - 0x144]
push eax
push 0
push 0x4a
mov ecx, dword [ebp - 0x134]
push ecx
call dword [sym.imp.USER32.dll_SendMessageA]
mov edx, dword [ebp - 0x12c]
push edx
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
mov eax, 1
jmp 0x4bf475
push 1
call fcn.004bf490
add esp, 4
movzx eax, byte [ebp - 0xd]
test eax, eax
je 0x4bf211
mov ecx, dword [0x578a24]
mov edx, dword [0x578a24]
mov eax, dword [ecx + 0x6c]
xor eax, dword [edx + 0x84]
mov ecx, dword [0x578a24]
xor eax, dword [ecx + 0x54]
and eax, 0x40
jne 0x4bf211
push 0x200
lea edx, [ebp - 0x344]
push edx
push 0x564ed8
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
test eax, eax
jne 0x4bf211
push 0xc8
push 0x23
lea eax, [ebp - 0x344]
push eax
call fcn.0050ca30
add esp, 0xc
mov byte [ebp - 0x27c], 0
mov dword [ebp - 0x448], 1
jmp 0x4bef19
mov ecx, dword [ebp - 0x448]
add ecx, 1
mov dword [ebp - 0x448], ecx
cmp dword [ebp - 0x448], 0x40
jg 0x4bef58
mov edx, dword [ebp - 0x448]
push edx
push 0x564ed0
push 0x100
lea eax, [ebp - 0x444]
push eax
call fcn.00510358
add esp, 0x10
lea ecx, [ebp - 0x344]
push ecx
lea edx, [ebp - 0x444]
push edx
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
jmp 0x4bef0a
mov eax, dword [0x578a24]
mov ecx, dword [0x578a24]
mov edx, dword [eax + 0x6c]
xor edx, dword [ecx + 0x84]
mov eax, dword [0x578a24]
xor edx, dword [eax + 0x54]
and edx, 0x10
jne 0x4bf211
lea ecx, [ebp - 0x624]
push ecx
call fcn.004e8c30
add esp, 4
mov dword [ebp - 4], 0
lea edx, [ebp - 0x708]
push edx
call fcn.004a82e0
add esp, 4
mov dword [ebp - 0x7f8], eax
mov eax, dword [ebp - 0x7f8]
mov dword [ebp - 0x7fc], eax
mov byte [ebp - 4], 1
mov ecx, dword [ebp - 0x7fc]
push ecx
lea ecx, [ebp - 0x4ac]
call fcn.004e2cb0
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x708]
call fcn.004a0870
cmp dword [0x5787c0], 1
jne 0x4bf00e
cmp dword [ebp - 0x618], 0
jne 0x4bf00e
lea ecx, [ebp - 0x4ac]
call fcn.004e3970
movzx edx, al
test edx, edx
jne 0x4bf00e
lea ecx, [ebp - 0x4ac]
call fcn.004e3510
mov dword [ebp - 0x618], eax
push 0
lea eax, [ebp - 0x644]
push eax
call fcn.004e8510
add esp, 8
mov byte [ebp - 4], 4
lea ecx, [ebp - 0x644]
call fcn.004ac780
movzx ecx, al
test ecx, ecx
je 0x4bf07a
mov dword [ebp - 0x70c], 0
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x644]
call fcn.004a0870
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x4ac]
call fcn.004a06c0
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x624]
call fcn.004ac280
mov eax, dword [ebp - 0x70c]
jmp 0x4bf475
lea edx, [ebp - 0x78c]
push edx
call fcn.004e8e50
add esp, 4
mov dword [ebp - 0x800], eax
mov eax, dword [ebp - 0x800]
mov dword [ebp - 0x804], eax
mov byte [ebp - 4], 5
mov ecx, dword [ebp - 0x804]
push ecx
lea ecx, [ebp - 0x770]
call fcn.004a8a40
mov byte [ebp - 4], 6
lea ecx, [ebp - 0x644]
call fcn.004ac740
push eax
lea ecx, [ebp - 0x7ec]
call fcn.004a8a40
mov byte [ebp - 4], 7
lea edx, [ebp - 0x4bc]
push edx
lea eax, [ebp - 0x624]
push eax
push 0x579580
push 0x579580
push 0
push 0
push 0
push 0
lea ecx, [ebp - 0x770]
push ecx
lea edx, [ebp - 0x7ec]
push edx
call fcn.004e8730
add esp, 0x28
neg eax
sbb eax, eax
add eax, 1
mov byte [ebp - 0x70d], al
mov byte [ebp - 4], 6
lea ecx, [ebp - 0x7ec]
call fcn.004a06c0
mov byte [ebp - 4], 5
lea ecx, [ebp - 0x770]
call fcn.004a06c0
mov byte [ebp - 4], 4
lea ecx, [ebp - 0x78c]
call fcn.004b89e0
movzx eax, byte [ebp - 0x70d]
test eax, eax
je 0x4bf1ba
mov dword [0x578900], 6
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 0x564eb0
push 0x100
push 0x578908
call fcn.00510358
add esp, 0x10
mov dword [ebp - 0x7f0], 0
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x644]
call fcn.004a0870
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x4ac]
call fcn.004a06c0
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x624]
call fcn.004ac280
mov eax, dword [ebp - 0x7f0]
jmp 0x4bf475
push 0x2710
mov ecx, dword [ebp - 0x4bc]
push ecx
call dword [sym.imp.USER32.dll_WaitForInputIdle]
mov dword [ebp - 0x7f4], 1
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x644]
call fcn.004a0870
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x4ac]
call fcn.004a06c0
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x624]
call fcn.004ac280
mov eax, dword [ebp - 0x7f4]
jmp 0x4bf475
mov edx, dword [0x578a24]
mov eax, dword [0x578a24]
mov ecx, dword [edx + 0x6c]
xor ecx, dword [eax + 0x84]
mov edx, dword [0x578a24]
xor ecx, dword [edx + 0x54]
and ecx, 0x10
je 0x4bf3cb
mov eax, dword [0x578a24]
mov ecx, dword [0x578a24]
mov edx, dword [eax + 0x24]
xor edx, dword [ecx + 0x18]
push edx
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push 0x564efc
push 0x104
lea eax, [ebp - 0x124]
push eax
call fcn.00510358
add esp, 0x14
lea ecx, [ebp - 0x124]
push ecx
push 0
push 0x1f0001
call dword [sym.imp.KERNEL32.dll_OpenMutexA]
test eax, eax
jne 0x4bf3c9
push 1
call dword [sym.imp.KERNEL32.dll_GetCurrentThread]
push eax
call dword [sym.imp.KERNEL32.dll_SetThreadPriority]
mov byte [ebp - 0x645], 0
push 0x5648c4
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov dword [ebp - 0x64c], eax
cmp dword [ebp - 0x64c], 0
je 0x4bf2e7
push 0x564e9c
mov edx, dword [ebp - 0x64c]
push edx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [ebp - 0x6e8], eax
cmp dword [ebp - 0x6e8], 0
je 0x4bf2e7
call dword [ebp - 0x6e8]
test eax, eax
je 0x4bf2e7
mov byte [ebp - 0x645], 1
mov dword [ebp - 0x6e4], 0x94
lea eax, [ebp - 0x6e4]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
cmp dword [ebp - 0x6d4], 2
jne 0x4bf319
mov eax, dword fs:[0x30]
movzx eax, byte [eax + 2]
or al, al
jne 0x4bf325
jmp 0x4bf32c
mov eax, dword fs:[0x20]
or eax, eax
jne 0x4bf325
jmp 0x4bf32c
mov byte [0x5787ec], 1
movzx ecx, byte [ebp - 0x645]
test ecx, ecx
je 0x4bf36a
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push 0x564e94
push 0x104
lea edx, [ebp - 0x124]
push edx
call fcn.00510358
add esp, 0x10
lea eax, [ebp - 0x124]
push eax
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
jmp 0x4bf3c9
cmp dword [0x5787c0], 0
sete cl
push ecx
call fcn.004ab700
add esp, 4
movzx edx, al
test edx, edx
jne 0x4bf3b5
mov dword [0x578900], 6
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 0x564e84
push 0x100
push 0x578908
call fcn.00510358
add esp, 0x10
xor eax, eax
jmp 0x4bf475
push 0
call fcn.004bf490
add esp, 4
mov eax, 1
jmp 0x4bf475
jmp 0x4bf3fd
push 0
push 0x5648d0
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
mov eax, dword [0x578a24]
mov ecx, dword [0x578a24]
mov edx, dword [eax]
xor edx, dword [ecx + 0x84]
mov eax, dword [0x578a24]
xor edx, dword [eax + 0x54]
and edx, 2
je 0x4bf3fd
call fcn.004e0d10
call fcn.004bd820
mov dword [ebp - 0x128], eax
push 0
call fcn.004bf490
add esp, 4
push 0
call fcn.005108ee
add esp, 4
cmp dword [ebp - 0x128], 1
jne 0x4bf439
push 0x5787c0
call dword [0x5787e8]
add esp, 4
mov dword [ebp - 0x128], eax
push 0x4bd7f0
call fcn.005108ee
add esp, 4
cmp dword [0x5787e4], 0
je 0x4bf455
call dword [0x5787e4]
cmp dword [0x5788f8], 0
je 0x4bf46f
push 0
push 0
mov ecx, dword [0x5788f4]
push ecx
call dword [0x5788f8]
mov eax, dword [ebp - 0x128]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
mov ecx, dword [ebp - 0x18]
xor ecx, ebp
call fcn.0050be32
mov esp, ebp
pop ebp
ret