Function at 0x4ab700
Capabilities:
Check os version
Create thread
Resume thread
Set environment variable
Suspend thread

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x537b7b
mov eax, dword fs:[0]
push eax
sub esp, 0x138
mov eax, dword [0x562890]
xor eax, ebp
mov dword [ebp - 0x44], eax
push esi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
push 3
push 0
call fcn.004fb570
add esp, 8
push 0x5648f4
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov dword [ebp - 0x20], eax
push 0x5648d4
mov eax, dword [ebp - 0x20]
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [ebp - 0x18], eax
cmp dword [ebp - 0x18], 0
je 0x4ab768
push 1
push 0x100
call dword [ebp - 0x18]
mov dword [ebp - 0xdc], 0x94
lea ecx, [ebp - 0xdc]
push ecx
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
cmp dword [ebp - 0xcc], 2
jne 0x4ab791
mov byte [0x578769], 1
jmp 0x4ab7ad
cmp dword [ebp - 0xd8], 4
jne 0x4ab7a8
cmp dword [ebp - 0xd4], 0x5a
jb 0x4ab7a8
call fcn.004ac300
call fcn.004ac3e0
movzx edx, byte [0x578769]
test edx, edx
jne 0x4ab7be
cli
not esp
not esp
sti
mov eax, dword [0x5787b0]
mov ecx, dword [0x5787b0]
mov edx, dword [eax + 0x6c]
xor edx, dword [ecx + 0x84]
mov eax, dword [0x5787b0]
xor edx, dword [eax + 0x54]
and edx, 4
je 0x4ab7e6
mov byte [0x578765], 1
mov ecx, dword [0x5787b0]
mov edx, dword [0x5787b0]
mov eax, dword [ecx + 0x6c]
xor eax, dword [edx + 0x84]
mov ecx, dword [0x5787b0]
xor eax, dword [ecx + 0x54]
and eax, 0x200
je 0x4ab812
mov byte [0x578767], 1
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov edx, dword [0x5787b0]
mov ecx, dword [0x5787b0]
mov edx, dword [edx + 4]
xor edx, dword [ecx + 0x84]
mov ecx, dword [0x5787b0]
xor edx, dword [ecx + 0x18]
add eax, edx
mov dword [0x578774], eax
mov edx, dword [0x5787b0]
mov eax, dword [0x5787b0]
mov ecx, dword [edx + 0x64]
xor ecx, dword [eax + 0x44]
mov edx, dword [0x5787b0]
xor ecx, dword [edx + 0x54]
add ecx, 0xfff
shr ecx, 0xc
mov dword [0x578788], ecx
mov dword [ebp - 0x3c], 0
mov dword [ebp - 0x10], 0xffffffff
push 0
call fcn.004acab0
add esp, 4
mov esi, eax
call dword [sym.imp.KERNEL32.dll_GetTickCount]
xor esi, eax
mov eax, dword [0x5787b0]
xor esi, dword [eax + 0x18]
push esi
lea ecx, [ebp - 0xf8]
call fcn.004a8ac0
lea ecx, [ebp - 0xf8]
call fcn.004a8f40
mov dword [ebp - 0x3c], eax
mov dword [ebp - 0xf4], 0xc
mov dword [ebp - 0xf0], 0
mov dword [ebp - 0xec], 1
push 0
push 0x1000
push 0
push 4
lea ecx, [ebp - 0xf4]
push ecx
push 0xffffffffffffffff
call dword [sym.imp.KERNEL32.dll_CreateFileMappingA]
mov dword [ebp - 0x10], eax
cmp dword [ebp - 0x10], 0
jne 0x4ab8f4
xor al, al
jmp 0x4abe4f
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
mov dword [ebp - 0xe4], eax
mov dword [ebp - 0xe8], 0
push 2
push 1
push 0
lea edx, [ebp - 0xe8]
push edx
mov eax, dword [ebp - 0xe4]
push eax
mov ecx, dword [ebp - 0xe4]
push ecx
mov edx, dword [ebp - 0xe4]
push edx
call dword [sym.imp.KERNEL32.dll_DuplicateHandle]
push 0x1000
push 0
push 0
push 2
mov eax, dword [ebp - 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov dword [0x578784], eax
movzx ecx, byte [0x5787ec]
test ecx, ecx
je 0x4ab96a
lea ecx, [ebp - 0xf8]
call fcn.004a8f40
mov dword [ebp - 0x13c], eax
jmp 0x4ab973
mov edx, dword [ebp - 0x3c]
mov dword [ebp - 0x13c], edx
mov eax, dword [0x5787b0]
mov ecx, dword [ebp - 0x13c]
xor ecx, dword [eax + 0x44]
mov edx, dword [0x5787b0]
xor ecx, dword [edx + 0x3c]
mov eax, dword [0x5787b0]
xor ecx, dword [eax + 0x88]
mov edx, dword [0x5787b0]
xor ecx, dword [edx + 0x10]
mov eax, dword [0x5787b0]
xor ecx, dword [eax + 0x20]
mov edx, dword [0x578784]
mov dword [edx], ecx
mov eax, dword [0x578784]
mov ecx, dword [ebp - 0xe8]
mov dword [eax + 4], ecx
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
mov edx, dword [0x578784]
mov dword [edx + 8], eax
mov eax, dword [0x578784]
mov dword [eax + 0x20], 0
mov ecx, dword [ebp - 0x10]
mov dword [ebp - 0x104], ecx
lea edx, [ebp - 0x104]
push edx
lea eax, [ebp - 0x120]
push eax
call fcn.004adec0
add esp, 8
mov dword [ebp - 0x140], eax
mov ecx, dword [ebp - 0x140]
mov dword [ebp - 0x144], ecx
mov dword [ebp - 4], 0
mov ecx, dword [ebp - 0x144]
call fcn.004b88b0
push eax
push 0x5648d0
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x120]
call fcn.004a53c0
xor ecx, ecx
mov eax, dword [0x578788]
mov edx, 4
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.00502684
add esp, 4
mov dword [ebp - 0x124], eax
mov eax, dword [ebp - 0x124]
mov dword [0x578790], eax
mov eax, dword [0x578788]
shl eax, 4
xor ecx, ecx
mov edx, 4
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.00502684
add esp, 4
mov dword [ebp - 0x128], eax
mov eax, dword [ebp - 0x128]
mov dword [0x578770], eax
xor ecx, ecx
mov eax, dword [0x578788]
mov edx, 4
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.00502684
add esp, 4
mov dword [ebp - 0x12c], eax
mov eax, dword [ebp - 0x12c]
mov dword [0x578794], eax
xor ecx, ecx
mov eax, dword [0x578788]
mov edx, 4
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.00502684
add esp, 4
mov dword [ebp - 0x130], eax
mov eax, dword [ebp - 0x130]
mov dword [0x578798], eax
push 0x1000
call fcn.00502684
add esp, 4
mov dword [ebp - 0x134], eax
mov ecx, dword [ebp - 0x134]
mov dword [0x57879c], ecx
xor ecx, ecx
mov eax, dword [0x578788]
mov edx, 4
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.00502684
add esp, 4
mov dword [ebp - 0x138], eax
mov eax, dword [ebp - 0x138]
mov dword [0x57876c], eax
mov ecx, dword [0x5787b0]
mov edx, dword [ecx + 0x3c]
xor edx, dword [ebp - 0x3c]
push edx
lea ecx, [ebp - 0x2c]
call fcn.004a8ac0
mov dword [ebp - 0xfc], 0
jmp 0x4abb75
mov eax, dword [ebp - 0xfc]
add eax, 1
mov dword [ebp - 0xfc], eax
mov ecx, dword [0x578788]
shl ecx, 4
cmp dword [ebp - 0xfc], ecx
jge 0x4abbcf
lea ecx, [ebp - 0x2c]
call fcn.004a8f40
mov edx, dword [0x5787b0]
xor eax, dword [edx + 0x44]
mov ecx, dword [0x5787b0]
xor eax, dword [ecx + 0x3c]
mov edx, dword [0x5787b0]
xor eax, dword [edx + 0x88]
mov ecx, dword [0x5787b0]
xor eax, dword [ecx + 0x10]
mov edx, dword [0x5787b0]
xor eax, dword [edx + 0x20]
mov ecx, dword [ebp - 0xfc]
mov edx, dword [0x578770]
mov dword [edx + ecx*4], eax
jmp 0x4abb66
mov dword [ebp - 0x100], 0
jmp 0x4abbea
mov eax, dword [ebp - 0x100]
add eax, 1
mov dword [ebp - 0x100], eax
mov ecx, dword [ebp - 0x100]
cmp ecx, dword [0x578788]
jge 0x4abc44
mov edx, dword [ebp - 0x100]
mov eax, dword [0x578790]
mov dword [eax + edx*4], 0xffffffff
mov ecx, dword [ebp - 0x100]
mov edx, dword [0x578794]
mov dword [edx + ecx*4], 0
mov eax, dword [ebp - 0x100]
mov ecx, dword [0x578798]
mov dword [ecx + eax*4], 0xffffffff
mov edx, dword [ebp - 0x100]
mov eax, dword [0x57876c]
mov dword [eax + edx*4], 0
jmp 0x4abbdb
mov ecx, dword [0x578788]
sar ecx, 1
add ecx, 1
mov dword [0x560b40], ecx
movzx edx, byte [0x578766]
test edx, edx
jne 0x4abc75
cmp dword [0x560b40], 6
jae 0x4abc73
mov dword [0x560b40], 6
jmp 0x4abc88
cmp dword [0x560b40], 0x12
jae 0x4abc88
mov dword [0x560b40], 0x12
push 0x5648c4
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov dword [ebp - 0x40], eax
push 0x5648b0
mov eax, dword [ebp - 0x40]
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [ebp - 0x28], eax
push 0x56489c
mov ecx, dword [ebp - 0x40]
push ecx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [ebp - 0x30], eax
mov edx, dword [0x5787b0]
mov eax, dword [0x5787b0]
mov ecx, dword [edx]
xor ecx, dword [eax + 0x84]
mov edx, dword [0x5787b0]
xor ecx, dword [edx + 0x54]
and ecx, 2
je 0x4abce0
call fcn.004e0d10
mov al, byte [ebp + 8]
push eax
call fcn.004abff0
add esp, 4
movzx ecx, al
test ecx, ecx
jne 0x4abcfa
xor al, al
jmp 0x4abe4f
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov dword [ebp - 0xe0], eax
mov edx, dword [ebp - 0xe0]
mov eax, dword [ebp - 0xe0]
add eax, dword [edx + 0x3c]
mov dword [ebp - 0x38], eax
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov ecx, dword [ebp - 0x38]
add eax, dword [ecx + 0x28]
mov dword [ebp - 0x14], eax
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov edx, dword [ebp - 0x38]
sub eax, dword [edx + 0x34]
mov dword [ebp - 0x24], eax
mov eax, dword [ebp - 0x14]
push eax
push 1
mov ecx, dword [0x560b38]
push ecx
call fcn.004abe70
add esp, 0xc
mov edx, dword [ebp - 0x14]
push edx
mov eax, dword [0x560b38]
push eax
call fcn.004abf50
add esp, 8
mov ecx, dword [0x560b38]
mov edx, dword [ecx + 4]
push edx
call dword [sym.imp.KERNEL32.dll_ResumeThread]
mov eax, dword [0x560b38]
mov ecx, dword [eax + 8]
push ecx
call dword [sym.imp.KERNEL32.dll_DebugActiveProcess]
mov dword [ebp - 0x34], eax
mov edx, dword [0x560b38]
mov eax, dword [edx + 4]
push eax
call dword [sym.imp.KERNEL32.dll_SuspendThread]
mov ecx, dword [ebp - 0x14]
push ecx
push 0
mov edx, dword [0x560b38]
push edx
call fcn.004abe70
add esp, 0xc
mov eax, dword [0x560b38]
mov ecx, dword [eax + 4]
push ecx
mov edx, dword [0x560b38]
mov eax, dword [edx + 0xc]
push eax
call fcn.004ab260
add esp, 8
mov dword [ebp - 0x1c], 0
lea ecx, [ebp - 0x1c]
push ecx
push 0
mov edx, dword [0x560b38]
mov eax, dword [edx]
push eax
push 0x4a8720
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
movzx ecx, byte [ebp + 8]
test ecx, ecx
je 0x4abdff
call dword [sym.imp.KERNEL32.dll_FreeConsole]
push 0x578738
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
lea edx, [ebp - 0x2c]
push edx
mov eax, dword [ebp - 0x24]
push eax
call fcn.004a9120
add esp, 8
movzx ecx, al
test ecx, ecx
jne 0x4abe25
xor al, al
jmp 0x4abe4f
mov edx, dword [0x578784]
push edx
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
mov dword [0x578784], 0
mov eax, dword [ebp - 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [ebp - 0x10], 0xffffffff
mov al, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop esi
mov ecx, dword [ebp - 0x44]
xor ecx, ebp
call fcn.0050be32
mov esp, ebp
pop ebp
ret