Function at 0x623d0e
Capabilities:
Accept command line arguments
Check for trap flag exception
Check mutex on windows
Create process on windows
Packed with generic packer
Query environment variable
Set environment variable

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x660d58
push 0x637f80
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
add esp, 0xfffff8c4
push ebx
push esi
push edi
mov dword [ebp - 0x18], esp
mov byte [ebp - 0x24], 1
mov eax, dword [sym.imp.KERNEL32.dll_CreateThread]
mov dword [ebp - 0x20], eax
mov ecx, dword [ebp - 0x20]
add ecx, 1
mov dword [ebp - 0x20], ecx
mov edx, dword [sym.imp.USER32.dll_LoadStringA]
mov dword [ebp - 0x20], edx
mov eax, dword [ebp - 0x20]
add eax, 1
mov dword [ebp - 0x20], eax
mov ecx, dword [sym.imp.USER32.dll_LoadStringW]
mov dword [ebp - 0x20], ecx
mov edx, dword [ebp - 0x20]
add edx, 1
mov dword [ebp - 0x20], edx
push 0x622c8c
call fcn.00637e5c
add esp, 4
mov eax, dword [0x65c388]
xor eax, dword [0x65c3e4]
push eax
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push str._X::DA_08X
lea ecx, [ebp - 0x128]
push ecx
call fcn.00637e0a
add esp, 0x10
lea edx, [ebp - 0x128]
push edx
push 0
push 0x1f0001
call dword [sym.imp.KERNEL32.dll_OpenMutexA]
test eax, eax
je 0x623dc0
mov byte [ebp - 0x24], 0
mov eax, dword [ebp - 0x24]
and eax, 0xff
test eax, eax
je 0x623f67
mov ecx, dword [0x65c404]
xor ecx, dword [0x65c3d8]
xor ecx, dword [0x65c414]
and ecx, 0x20
test ecx, ecx
je 0x623f67
mov edx, dword [0x65c3d0]
xor edx, dword [0x65c3b0]
xor edx, dword [0x65c388]
push edx
push str.RN_08X
lea eax, [ebp - 0x128]
push eax
call fcn.00637e0a
add esp, 0xc
lea ecx, [ebp - 0x128]
push ecx
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
mov dword [ebp - 0x12c], eax
cmp dword [ebp - 0x12c], 0
je 0x623f67
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
jne 0x623f67
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 0x623e7a
cmp dword [ebp - 0x130], 0x80
jne 0x623f5d
mov eax, dword [0x65c3d0]
xor eax, dword [0x65c3b0]
xor eax, dword [0x65c388]
push eax
push str._08X
lea ecx, [ebp - 0x128]
push ecx
call fcn.00637e0a
add esp, 0xc
mov dword [ebp - 0x138], 0
jmp 0x623ebb
mov edx, dword [ebp - 0x138]
add edx, 1
mov dword [ebp - 0x138], edx
cmp dword [ebp - 0x138], 0x12c
jge 0x623ef4
lea eax, [ebp - 0x128]
push eax
push str.MainClass
call dword [sym.imp.USER32.dll_FindWindowA]
mov dword [ebp - 0x134], eax
cmp dword [ebp - 0x134], 0
je 0x623eea
jmp 0x623ef4
push 0x64
call dword [sym.imp.KERNEL32.dll_Sleep]
jmp 0x623eac
cmp dword [ebp - 0x134], 0
je 0x623f50
mov ecx, dword [0x65c3d0]
xor ecx, dword [0x65c3b0]
xor ecx, dword [0x65c388]
mov dword [ebp - 0x144], ecx
mov edx, dword [0x662e58]
push edx
call fcn.00637b30
add esp, 4
add eax, 1
mov dword [ebp - 0x140], eax
mov eax, dword [0x662e58]
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 0x6244c7
push 1
call fcn.006244d8
add esp, 4
mov ecx, dword [ebp - 0x24]
and ecx, 0xff
test ecx, ecx
je 0x624162
mov edx, dword [0x65c404]
xor edx, dword [0x65c3d8]
xor edx, dword [0x65c414]
and edx, 0x40
test edx, edx
jne 0x624162
push 0x200
lea eax, [ebp - 0x344]
push eax
push str._PAD64
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
test eax, eax
jne 0x624162
push 0xc8
push 0x23
lea ecx, [ebp - 0x344]
push ecx
call fcn.00637820
add esp, 0xc
mov byte [ebp - 0x27c], 0
mov dword [ebp - 0x448], 1
jmp 0x623ff6
mov edx, dword [ebp - 0x448]
add edx, 1
mov dword [ebp - 0x448], edx
cmp dword [ebp - 0x448], 0x40
jg 0x624030
mov eax, dword [ebp - 0x448]
push eax
push str._PAD_d
lea ecx, [ebp - 0x444]
push ecx
call fcn.00637e0a
add esp, 0xc
lea edx, [ebp - 0x344]
push edx
lea eax, [ebp - 0x444]
push eax
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
jmp 0x623fe7
mov ecx, dword [0x65c404]
xor ecx, dword [0x65c3d8]
xor ecx, dword [0x65c414]
and ecx, 0x10
test ecx, ecx
jne 0x624162
lea edx, [ebp - 0x5a0]
push edx
call dword [sym.imp.KERNEL32.dll_GetStartupInfoA]
mov al, byte [0x662e40]
mov byte [ebp - 0x6a4], al
mov ecx, 0x40
xor eax, eax
lea edi, [ebp - 0x6a3]
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
stosb byte es:[edi], al
mov cl, byte [0x662e40]
mov byte [ebp - 0x55c], cl
mov ecx, 0x40
xor eax, eax
lea edi, [ebp - 0x55b]
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
stosb byte es:[edi], al
cmp dword [0x662e50], 1
jne 0x6240cb
cmp dword [ebp - 0x594], 0
jne 0x6240cb
lea edx, [ebp - 0x6a4]
push edx
call fcn.00625980
add esp, 4
and eax, 0xff
test eax, eax
je 0x6240cb
lea eax, [ebp - 0x6a4]
mov dword [ebp - 0x594], eax
push 0x104
lea ecx, [ebp - 0x55c]
push ecx
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
test eax, eax
jne 0x6240ea
xor eax, eax
jmp 0x6244c7
lea edx, [ebp - 0x458]
push edx
lea eax, [ebp - 0x5a0]
push eax
push 0
push 0
push 0
push 0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
push eax
lea ecx, [ebp - 0x55c]
push ecx
call dword [sym.imp.KERNEL32.dll_CreateProcessA]
test eax, eax
jne 0x624146
mov dword [0x663090], 6
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push str._Location_XEB__error_code__d_
push 0x663094
call fcn.00637e0a
add esp, 0xc
xor eax, eax
jmp 0x6244c7
push 0x2710
mov edx, dword [ebp - 0x458]
push edx
call dword [sym.imp.USER32.dll_WaitForInputIdle]
mov eax, 1
jmp 0x6244c7
mov eax, dword [0x65c404]
xor eax, dword [0x65c3d8]
xor eax, dword [0x65c414]
and eax, 0x10
test eax, eax
je 0x62443e
mov ecx, dword [0x65c388]
xor ecx, dword [0x65c3e4]
push ecx
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push str._X::DA_08X
lea edx, [ebp - 0x128]
push edx
call fcn.00637e0a
add esp, 0x10
lea eax, [ebp - 0x128]
push eax
push 0
push 0x1f0001
call dword [sym.imp.KERNEL32.dll_OpenMutexA]
test eax, eax
jne 0x62443c
push 1
call dword [sym.imp.KERNEL32.dll_GetCurrentThread]
push eax
call dword [sym.imp.KERNEL32.dll_SetThreadPriority]
mov byte [ebp - 0x6a8], 0
push str.Kernel32
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov dword [ebp - 0x6ac], eax
cmp dword [ebp - 0x6ac], 0
je 0x624224
push str.IsDebuggerPresent
mov ecx, dword [ebp - 0x6ac]
push ecx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [ebp - 0x744], eax
cmp dword [ebp - 0x744], 0
je 0x624224
call dword [ebp - 0x744]
test eax, eax
je 0x624224
mov byte [ebp - 0x6a8], 1
mov dword [ebp - 0x740], 0x94
lea edx, [ebp - 0x740]
push edx
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
cmp dword [ebp - 0x730], 2
je 0x6242b0
mov byte [ebp - 0x748], 0
mov dword [ebp - 4], 0
pushf
pop eax
or eax, 0x100
push eax
popf
nop
mov dword [ebp - 4], 0xffffffff
jmp 0x62429a
mov eax, dword [ebp - 0x748]
and eax, 0xff
test eax, eax
jne 0x6242b0
mov byte [0x6633ac], 1
cmp dword [ebp - 0x730], 2
jne 0x62431a
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 0x6242dc
add ebp, ebx
and ch, bl
jmp 0x6242fd
xor ebx, ebx
je 0x6242e0
jmp 0x6242ef
mov ecx, 0x34f9c987
nop
stc
je 0x6242f3
jmp 0x624323
xor eax, eax
je 0x6242e5
mov eax, 0x4840c987
test eax, eax
jne 0x6242d9
jmp 0x92c8e062
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 0x624331
jmp 0x6243a2
jo 0x624323
jl 0x624321
jmp 0x624325
je 0x62431e
jmp 0x62431e
mov eax, dword fs:[0x20]
or eax, eax
jne 0x624331
jmp 0x6243a2
pushal
xor eax, eax
jne 0x624338
jmp 0x62434d
jmp 0x62436d
xor eax, eax
jne 0x624355
jp 0x62434b
jo 0x62434f
jmp 0x624350
jb 0x624354
jns 0x624339
call dword [0x74097900]
invalid
jns 0x624356
je 0x62433f
jmp 0x6242d8
xchg ebx, ebx
jp 0x624344
mov al, byte [0x5c66133]
jl 0x62438b
xor esp, dword [ecx - 0x3a]
add eax, 0x66307c
add dword [eax - 9], edx
ror byte [edi], 1
enter 0x7358, 0
popal
mov byte [0x66307c], 1
add byte [ecx], al
push eax
not eax
bswap eax
pop eax
jae 0x624366
pushfd
pushal
jmp 0x624395
sub edx, edx
jo 0x62437b
jmp 0x62438c
xor ecx, ecx
je 0x624373
jmp 0x624385
stc
xor ecx, 3
je 0x62430b
jmp 0x624382
jmp 0x624390
jae 0x62437e
sbb bl, bl
sbb bl, bl
xor ebx, ebx
jmp 0x624375
jmp 0xde4e257b
jmp 0x62436f
sbb al, 0xdb
jmp 0x624398
jmp 0x624369
popal
popfd
bswap eax
not ecx
bswap eax
not ecx
mov ecx, dword [ebp - 0x6a8]
and ecx, 0xff
test ecx, ecx
je 0x6243e0
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push str._X:DAF
lea edx, [ebp - 0x128]
push edx
call fcn.00637e0a
add esp, 0xc
lea eax, [ebp - 0x128]
push eax
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
jmp 0x62443c
xor ecx, ecx
cmp dword [0x662e50], 0
sete cl
push ecx
call fcn.00626b78
add esp, 4
and eax, 0xff
test eax, eax
jne 0x624428
mov dword [0x663090], 6
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push str._Error_code__d_
push 0x663094
call fcn.00637e0a
add esp, 0xc
xor eax, eax
jmp 0x6244c7
push 0
call fcn.006244d8
add esp, 4
mov eax, 1
jmp 0x6244c7
jmp 0x62445c
mov edx, dword [0x65c38c]
xor edx, dword [0x65c3d8]
xor edx, dword [0x65c414]
and edx, 2
test edx, edx
je 0x62445c
call fcn.00622082
call fcn.00622cbb
mov dword [ebp - 0x1c], eax
push 0
call fcn.006244d8
add esp, 4
push 0
call fcn.00637e5c
add esp, 4
cmp dword [ebp - 0x1c], 1
jne 0x62448f
push 0x662e50
call dword [0x662e78]
add esp, 4
mov dword [ebp - 0x1c], eax
push 0x622c8c
call fcn.00637e5c
add esp, 4
cmp dword [0x662e74], 0
je 0x6244ab
call dword [0x662e74]
cmp dword [0x663088], 0
je 0x6244c4
push 0
push 0
mov eax, dword [0x663084]
push eax
call dword [0x663088]
mov eax, dword [ebp - 0x1c]
mov ecx, dword [ebp - 0x10]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret