Function at 0x42cd00
Capabilities:
Check mutex on windows
Packed with generic packer
Query environment variable
Set environment variable

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x45fa0a
mov eax, dword fs:[0]
push eax
sub esp, 0x7f8
mov eax, dword [0x4862f0]
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.00427580
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 0x42ba60
call fcn.0044eb28
add esp, 4
mov eax, dword [0x4854f8]
xor eax, dword [0x48553c]
push eax
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push 0x488050
lea ecx, [ebp - 0x124]
push ecx
call fcn.0044eaa3
add esp, 0x10
lea edx, [ebp - 0x124]
push edx
push 0
push 0x1f0001
call dword [sym.imp.KERNEL32.dll_OpenMutexA]
test eax, eax
je 0x42cdb9
mov byte [ebp - 0xd], 0
movzx eax, byte [ebp - 0xd]
test eax, eax
je 0x42cf5a
mov ecx, dword [0x48550c]
xor ecx, dword [0x485504]
xor ecx, dword [0x4854d8]
and ecx, 0x20
je 0x42cf5a
mov edx, dword [0x4854f4]
xor edx, dword [0x4854cc]
xor edx, dword [0x4854f8]
push edx
push 0x488048
lea eax, [ebp - 0x124]
push eax
call fcn.0044eaa3
add esp, 0xc
lea ecx, [ebp - 0x124]
push ecx
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
mov dword [ebp - 0x12c], eax
cmp dword [ebp - 0x12c], 0
je 0x42cf5a
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
jne 0x42cf5a
push 0x7530
mov edx, dword [ebp - 0x12c]
push edx
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov dword [ebp - 0x130], eax
cmp dword [ebp - 0x130], 0
je 0x42ce6d
cmp dword [ebp - 0x130], 0x80
jne 0x42cf50
mov eax, dword [0x4854f4]
xor eax, dword [0x4854cc]
xor eax, dword [0x4854f8]
push eax
push 0x488040
lea ecx, [ebp - 0x124]
push ecx
call fcn.0044eaa3
add esp, 0xc
mov dword [ebp - 0x138], 0
jmp 0x42ceae
mov edx, dword [ebp - 0x138]
add edx, 1
mov dword [ebp - 0x138], edx
cmp dword [ebp - 0x138], 0x12c
jge 0x42cee7
lea eax, [ebp - 0x124]
push eax
push 0x488034
call dword [sym.imp.USER32.dll_FindWindowA]
mov dword [ebp - 0x134], eax
cmp dword [ebp - 0x134], 0
je 0x42cedd
jmp 0x42cee7
push 0x64
call dword [sym.imp.KERNEL32.dll_Sleep]
jmp 0x42ce9f
cmp dword [ebp - 0x134], 0
je 0x42cf43
mov ecx, dword [0x4854f4]
xor ecx, dword [0x4854cc]
xor ecx, dword [0x4854f8]
mov dword [ebp - 0x144], ecx
mov edx, dword [0x4950a0]
push edx
call fcn.0044dfd0
add esp, 4
add eax, 1
mov dword [ebp - 0x140], eax
mov eax, dword [0x4950a0]
mov dword [ebp - 0x13c], eax
lea ecx, [ebp - 0x144]
push ecx
push 0
push 0x4a
mov edx, dword [ebp - 0x134]
push edx
call dword [sym.imp.USER32.dll_SendMessageA]
mov eax, dword [ebp - 0x12c]
push eax
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
mov eax, 1
jmp 0x42d5b7
push 1
call fcn.0042d5d0
add esp, 4
movzx ecx, byte [ebp - 0xd]
test ecx, ecx
je 0x42d2c6
mov edx, dword [0x48550c]
xor edx, dword [0x485504]
xor edx, dword [0x4854d8]
and edx, 0x40
jne 0x42d2c6
push 0x200
lea eax, [ebp - 0x344]
push eax
push 0x48802c
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
test eax, eax
jne 0x42d2c6
push 0xc8
push 0x23
lea ecx, [ebp - 0x344]
push ecx
call fcn.0044bb80
add esp, 0xc
mov byte [ebp - 0x27c], 0
mov dword [ebp - 0x448], 1
jmp 0x42cfe2
mov edx, dword [ebp - 0x448]
add edx, 1
mov dword [ebp - 0x448], edx
cmp dword [ebp - 0x448], 0x40
jg 0x42d01c
mov eax, dword [ebp - 0x448]
push eax
push 0x488024
lea ecx, [ebp - 0x444]
push ecx
call fcn.0044eaa3
add esp, 0xc
lea edx, [ebp - 0x344]
push edx
lea eax, [ebp - 0x444]
push eax
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
jmp 0x42cfd3
mov ecx, dword [0x48550c]
xor ecx, dword [0x485504]
xor ecx, dword [0x4854d8]
and ecx, 0x10
jne 0x42d2c6
lea edx, [ebp - 0x624]
push edx
call fcn.0043e280
add esp, 4
mov dword [ebp - 4], 0
lea eax, [ebp - 0x708]
push eax
call fcn.00434ad0
add esp, 4
mov dword [ebp - 0x7f8], eax
mov ecx, dword [ebp - 0x7f8]
mov dword [ebp - 0x7fc], ecx
mov byte [ebp - 4], 1
mov edx, dword [ebp - 0x7fc]
push edx
lea ecx, [ebp - 0x4ac]
call fcn.0043b8a0
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x708]
call fcn.00427ad0
cmp dword [0x495098], 1
jne 0x42d0c8
cmp dword [ebp - 0x618], 0
jne 0x42d0c8
lea ecx, [ebp - 0x4ac]
call fcn.0043ca10
movzx eax, al
test eax, eax
jne 0x42d0c8
lea ecx, [ebp - 0x4ac]
call fcn.0043c910
mov dword [ebp - 0x618], eax
push 0
lea ecx, [ebp - 0x644]
push ecx
call fcn.0043d8a0
add esp, 8
mov byte [ebp - 4], 4
lea ecx, [ebp - 0x644]
call fcn.0042da70
movzx edx, al
test edx, edx
je 0x42d134
mov dword [ebp - 0x70c], 0
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x644]
call fcn.00427ad0
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x4ac]
call fcn.004274b0
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x624]
call fcn.0042d8d0
mov eax, dword [ebp - 0x70c]
jmp 0x42d5b7
lea eax, [ebp - 0x78c]
push eax
call fcn.0043e450
add esp, 4
mov dword [ebp - 0x800], eax
mov ecx, dword [ebp - 0x800]
mov dword [ebp - 0x804], ecx
mov byte [ebp - 4], 5
mov edx, dword [ebp - 0x804]
push edx
lea ecx, [ebp - 0x770]
call fcn.0042d850
mov byte [ebp - 4], 6
lea ecx, [ebp - 0x644]
call fcn.0042da50
push eax
lea ecx, [ebp - 0x7ec]
call fcn.0042d850
mov byte [ebp - 4], 7
lea eax, [ebp - 0x4bc]
push eax
lea ecx, [ebp - 0x624]
push ecx
push 0x4957a8
push 0x4957a8
push 0
push 0
push 0
push 0
lea edx, [ebp - 0x770]
push edx
lea eax, [ebp - 0x7ec]
push eax
call fcn.0043dc00
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.004274b0
mov byte [ebp - 4], 5
lea ecx, [ebp - 0x770]
call fcn.004274b0
mov byte [ebp - 4], 4
lea ecx, [ebp - 0x78c]
call fcn.0042d990
movzx ecx, byte [ebp - 0x70d]
test ecx, ecx
je 0x42d26f
mov dword [0x4952d8], 6
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 0x488004
push 0x4952e0
call fcn.0044eaa3
add esp, 0xc
mov dword [ebp - 0x7f0], 0
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x644]
call fcn.00427ad0
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x4ac]
call fcn.004274b0
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x624]
call fcn.0042d8d0
mov eax, dword [ebp - 0x7f0]
jmp 0x42d5b7
push 0x2710
mov edx, dword [ebp - 0x4bc]
push edx
call dword [sym.imp.USER32.dll_WaitForInputIdle]
mov dword [ebp - 0x7f4], 1
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x644]
call fcn.00427ad0
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x4ac]
call fcn.004274b0
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x624]
call fcn.0042d8d0
mov eax, dword [ebp - 0x7f4]
jmp 0x42d5b7
mov eax, dword [0x48550c]
xor eax, dword [0x485504]
xor eax, dword [0x4854d8]
and eax, 0x10
je 0x42d524
mov ecx, dword [0x4854f8]
xor ecx, dword [0x48553c]
push ecx
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push 0x488050
lea edx, [ebp - 0x124]
push edx
call fcn.0044eaa3
add esp, 0x10
lea eax, [ebp - 0x124]
push eax
push 0
push 0x1f0001
call dword [sym.imp.KERNEL32.dll_OpenMutexA]
test eax, eax
jne 0x42d522
push 1
call dword [sym.imp.KERNEL32.dll_GetCurrentThread]
push eax
call dword [sym.imp.KERNEL32.dll_SetThreadPriority]
mov byte [ebp - 0x645], 0
push 0x487ff8
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov dword [ebp - 0x64c], eax
cmp dword [ebp - 0x64c], 0
je 0x42d386
push 0x487fe4
mov ecx, dword [ebp - 0x64c]
push ecx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [ebp - 0x6e8], eax
cmp dword [ebp - 0x6e8], 0
je 0x42d386
call dword [ebp - 0x6e8]
test eax, eax
je 0x42d386
mov byte [ebp - 0x645], 1
mov dword [ebp - 0x6e4], 0x94
lea edx, [ebp - 0x6e4]
push edx
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
cmp dword [ebp - 0x6d4], 2
jne 0x42d407
push ecx
bswap ecx
not ecx
push eax
not eax
mov eax, 0x6c65696d
xchg ecx, eax
mov ecx, 0xdeadc0de
xchg ecx, eax
not eax
pop eax
not ecx
pop ecx
pushfd
pushal
xor ebx, ebx
je 0x42d3c9
add ebp, ebx
and ch, bl
jmp 0x42d3ea
xor ebx, ebx
je 0x42d3cd
jmp 0x42d3dc
mov ecx, 0x34f9c987
nop
stc
je 0x42d3e0
jmp 0x42d410
xor eax, eax
je 0x42d3d2
mov eax, 0x4840c987
test eax, eax
jne 0x42d3c6
jmp 0x92a9714f
popal
popfd
xchg dx, ax
xchg dx, ax
mov eax, eax
mov eax, dword fs:[0x30]
movzx eax, byte [eax + 2]
or al, al
jne 0x42d41e
jmp 0x42d48f
jo 0x42d410
jl 0x42d40e
jmp 0x42d412
je 0x42d40b
jmp 0x42d40b
mov eax, dword fs:[0x20]
or eax, eax
jne 0x42d41e
jmp 0x42d48f
pushal
xor eax, eax
jne 0x42d425
jmp 0x42d43a
jmp 0x42d45a
xor eax, eax
jne 0x42d442
jp 0x42d438
jo 0x42d43c
jmp 0x42d43d
jb 0x42d441
jns 0x42d426
call dword [0x74097900]
invalid
jns 0x42d443
je 0x42d42c
jmp 0x42d3c5
xchg ebx, ebx
jp 0x42d431
mov al, byte [0x5c66133]
les edx, [eax + 0x49]
add byte [ecx], al
xor esp, dword [ecx - 0x3a]
add eax, 0x4950c4
add dword [eax - 9], edx
ror byte [edi], 1
enter 0x7358, 0
popal
mov byte [0x4950c4], 1
push eax
not eax
bswap eax
pop eax
jae 0x42d453
pushfd
pushal
jmp 0x42d482
sub edx, edx
jo 0x42d468
jmp 0x42d479
xor ecx, ecx
je 0x42d460
jmp 0x42d472
stc
xor ecx, 3
je 0x42d3f8
jmp 0x42d46f
jmp 0x42d47d
jae 0x42d46b
sbb bl, bl
sbb bl, bl
xor ebx, ebx
jmp 0x42d462
jmp 0x42d45c
sbb al, 0xdb
jmp 0x42d485
jmp 0x42d456
popal
popfd
bswap eax
not ecx
bswap eax
not ecx
movzx eax, byte [ebp - 0x645]
test eax, eax
je 0x42d4c8
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push 0x487fdc
lea ecx, [ebp - 0x124]
push ecx
call fcn.0044eaa3
add esp, 0xc
lea edx, [ebp - 0x124]
push edx
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
jmp 0x42d522
cmp dword [0x495098], 0
sete al
push eax
call fcn.004391e0
add esp, 4
movzx ecx, al
test ecx, ecx
jne 0x42d50e
mov dword [0x4952d8], 6
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 0x487fcc
push 0x4952e0
call fcn.0044eaa3
add esp, 0xc
xor eax, eax
jmp 0x42d5b7
push 0
call fcn.0042d5d0
add esp, 4
mov eax, 1
jmp 0x42d5b7
jmp 0x42d540
mov edx, dword [0x485500]
xor edx, dword [0x485504]
xor edx, dword [0x4854d8]
and edx, 2
je 0x42d540
call fcn.004265d0
call fcn.0042ba90
mov dword [ebp - 0x128], eax
push 0
call fcn.0042d5d0
add esp, 4
push 0
call fcn.0044eb28
add esp, 4
cmp dword [ebp - 0x128], 1
jne 0x42d57c
push 0x495098
call dword [0x4950c0]
add esp, 4
mov dword [ebp - 0x128], eax
push 0x42ba60
call fcn.0044eb28
add esp, 4
cmp dword [0x4950bc], 0
je 0x42d598
call dword [0x4950bc]
cmp dword [0x4952d0], 0
je 0x42d5b1
push 0
push 0
mov eax, dword [0x4952cc]
push eax
call dword [0x4952d0]
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.0044c2d5
mov esp, ebp
pop ebp
ret