Function at 0x504990
Capabilities:
Contain obfuscated stackstrings
Encode data using xor
Query or enumerate registry value

Disassembly:
push 0xffffffffffffffff
push 0x604369
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0xb4
push ebx
push ebp
mov cl, 0x57
mov al, 0x3f
push esi
or ebp, 0xffffffff
push edi
mov byte [esp + 0x4f], cl
mov bl, 0x26
mov byte [esp + 0x54], al
mov dl, 0x56
mov byte [esp + 0x59], al
mov byte [esp + 0x5d], cl
mov byte [esp + 0x5e], al
mov byte [esp + 0x63], al
mov byte [esp + 0x6e], cl
lea edi, [esp + 0x4c]
mov ecx, ebp
xor eax, eax
mov byte [esp + 0x4c], 0x25
mov byte [esp + 0x4d], 0x50
mov byte [esp + 0x4e], 0x2a
mov byte [esp + 0x50], 0x2b
mov byte [esp + 0x51], 0x23
mov byte [esp + 0x52], 0x24
mov byte [esp + 0x53], bl
mov byte [esp + 0x55], 0x21
mov byte [esp + 0x56], 0x20
mov byte [esp + 0x57], bl
mov byte [esp + 0x58], dl
mov byte [esp + 0x5a], bl
mov byte [esp + 0x5b], 0x53
mov byte [esp + 0x5c], 0x20
mov byte [esp + 0x5f], 0x53
mov byte [esp + 0x60], bl
mov byte [esp + 0x61], 0x24
mov byte [esp + 0x62], dl
mov byte [esp + 0x64], 0x22
mov byte [esp + 0x65], 0x23
mov byte [esp + 0x66], 0x24
mov byte [esp + 0x67], 0x27
mov byte [esp + 0x68], 0x54
mov byte [esp + 0x69], 0x50
mov byte [esp + 0x6a], 0x20
mov byte [esp + 0x6b], 0x22
mov byte [esp + 0x6c], 0x22
mov byte [esp + 0x6d], 0x22
mov byte [esp + 0x6f], 0x51
mov byte [esp + 0x70], 0
repne scasb al, byte es:[edi]
not ecx
dec ecx
test ecx, ecx
jle 0x504a81
xor byte [esp + eax + 0x4c], 0x12
inc eax
cmp eax, ecx
jl 0x504a77
mov cl, 0x77
mov al, 0x4e
mov byte [esp + 0x3b], cl
mov byte [esp + 0x3c], al
mov byte [esp + 0x42], cl
mov byte [esp + 0x44], al
mov byte [esp + 0x4a], al
lea edi, [esp + 0x34]
mov ecx, ebp
xor eax, eax
mov byte [esp + 0x34], 0x41
mov byte [esp + 0x35], 0x7d
mov byte [esp + 0x36], 0x74
mov byte [esp + 0x37], 0x66
mov byte [esp + 0x38], 0x65
mov byte [esp + 0x39], 0x73
mov byte [esp + 0x3a], 0x60
mov byte [esp + 0x3d], 0x51
mov byte [esp + 0x3e], 0x7e
mov byte [esp + 0x3f], 0x73
mov byte [esp + 0x40], 0x61
mov byte [esp + 0x41], 0x61
mov byte [esp + 0x43], 0x61
mov byte [esp + 0x45], 0x51
mov byte [esp + 0x46], 0x5e
mov byte [esp + 0x47], 0x41
mov byte [esp + 0x48], 0x5b
mov byte [esp + 0x49], dl
mov byte [esp + 0x4b], 0
repne scasb al, byte es:[edi]
not ecx
dec ecx
test ecx, ecx
jle 0x504b18
mov dl, byte [esp + eax + 0x34]
xor dl, 0x12
mov byte [esp + eax + 0x34], dl
inc eax
cmp eax, ecx
jl 0x504b08
mov eax, dword [0x6c826c]
mov dword [esp + 0x10], eax
lea ecx, [esp + 0x4c]
lea edx, [esp + 0x34]
push ecx
push edx
lea eax, [esp + 0x18]
push str._s_s
push eax
mov dword [esp + 0xdc], 0
call fcn.005d838b
add esp, 0x10
lea ecx, [esp + 0x80]
call fcn.004fa3d0
mov eax, dword [0x6cce44]
mov edx, dword [esp + 0x10]
mov esi, dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
lea ecx, [esp + 0x20]
neg eax
push ecx
push 1
sbb eax, eax
push 0
add eax, reloc.WS2_32.dll_bind
push edx
push eax
call esi
test eax, eax
je 0x504c27
cmp eax, 2
je 0x504cef
mov ecx, dword [0x6c826c]
mov dword [esp + 0x14], ecx
mov eax, dword [0x6cce44]
mov byte [esp + 0xcc], 2
test eax, eax
mov eax, str.CURRENT_USER
jne 0x504baf
mov eax, str.MACHINE
mov edx, dword [esp + 0x10]
push edx
push eax
lea eax, [esp + 0x1c]
push 0x69eb7c
push eax
call fcn.005d838b
mov ecx, dword [esp + 0x24]
add esp, 0x10
push ecx
lea ecx, [esp + 0x84]
call fcn.004fa480
test eax, eax
jne 0x504bed
mov byte [esp + 0xcc], 1
lea ecx, [esp + 0x14]
jmp 0x504cea
mov ecx, dword [0x6cce44]
mov eax, dword [esp + 0x10]
lea edx, [esp + 0x20]
neg ecx
push edx
push 1
sbb ecx, ecx
push 0
add ecx, reloc.WS2_32.dll_bind
push eax
push ecx
call esi
test eax, eax
mov byte [esp + 0xcc], 1
lea ecx, [esp + 0x14]
jne 0x504cea
call fcn.005df556
mov edx, dword [0x6c826c]
mov ecx, 0xc
xor eax, eax
lea edi, [esp + 0x90]
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
mov dword [esp + 0x7c], 0x32
mov dword [esp + 0x1c], edx
lea edi, [esp + 0x14]
mov ecx, ebp
xor eax, eax
mov byte [esp + 0x14], 0x61
mov byte [esp + 0x15], 0x71
mov byte [esp + 0x16], 0x73
mov byte [esp + 0x17], 0x7c
mov byte [esp + 0x18], 0x61
mov byte [esp + 0x19], 0x79
mov byte [esp + 0x1a], 0
repne scasb al, byte es:[edi]
not ecx
dec ecx
mov byte [esp + 0xcc], 3
test ecx, ecx
jle 0x504c97
mov dl, byte [esp + eax + 0x14]
xor dl, 0x12
mov byte [esp + eax + 0x14], dl
inc eax
cmp eax, ecx
jl 0x504c87
lea eax, [esp + 0x14]
lea ecx, [esp + 0x1c]
push eax
push 0x69dfbc
push ecx
call fcn.005d838b
mov ecx, dword [esp + 0x28]
add esp, 0xc
lea edx, [esp + 0x7c]
lea eax, [esp + 0x90]
push edx
mov edx, dword [esp + 0x24]
push eax
push 0
push 0
push ecx
push edx
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
je 0x504d1a
mov eax, dword [esp + 0x20]
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov byte [esp + 0xcc], 1
lea ecx, [esp + 0x1c]
call fcn.005df556
lea ecx, [esp + 0x80]
mov byte [esp + 0xcc], 0
call fcn.004fa410
lea ecx, [esp + 0x10]
mov dword [esp + 0xcc], ebp
call fcn.005df556
xor eax, eax
jmp 0x504e66
mov ecx, dword [esp + 0x20]
push ecx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov edx, dword [0x6c826c]
mov dword [esp + 0x74], edx
lea edi, [esp + 0x24]
mov ecx, ebp
xor eax, eax
mov byte [esp + 0x24], 0x2b
mov byte [esp + 0x25], bl
mov byte [esp + 0x26], 0x25
mov byte [esp + 0x27], 0x21
mov byte [esp + 0x28], 0x24
mov byte [esp + 0x29], 0x20
mov byte [esp + 0x2a], 0x22
mov byte [esp + 0x2b], 0x27
mov byte [esp + 0x2c], 0x25
mov byte [esp + 0x2d], 0x23
mov byte [esp + 0x2e], 0x2b
mov byte [esp + 0x2f], 0x20
mov byte [esp + 0x30], 0x2a
mov byte [esp + 0x31], 0x21
mov byte [esp + 0x32], bl
mov byte [esp + 0x33], 0
mov byte [esp + 0xcc], 4
repne scasb al, byte es:[edi]
not ecx
dec ecx
test ecx, ecx
jle 0x504da6
mov bl, byte [esp + eax + 0x24]
xor bl, 0x12
mov byte [esp + eax + 0x24], bl
inc eax
cmp eax, ecx
jl 0x504d96
lea eax, [esp + 0x24]
lea ecx, [esp + 0x74]
push eax
push 0x69dfbc
push ecx
call fcn.005d838b
mov esi, 0x6184b4
add esp, 0xc
mov dword [esp + 0x78], esi
mov edx, dword [esp + 0x74]
mov ecx, ebp
mov edi, edx
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
mov byte [esp + 0xcc], 5
push ecx
push edx
lea edx, [esp + 0x98]
push 0x28
push edx
lea ecx, [esp + 0x88]
call fcn.004451a0
mov edx, dword [esp + 0xd4]
lea eax, [esp + 0x90]
lea ecx, [esp + 0x34]
push eax
push ecx
push str._s_s
push edx
call fcn.005d838b
add esp, 0x10
lea ecx, [esp + 0x74]
mov dword [esp + 0x78], esi
mov byte [esp + 0xcc], 3
call fcn.005df556
lea ecx, [esp + 0x1c]
mov byte [esp + 0xcc], 1
call fcn.005df556
lea ecx, [esp + 0x80]
mov byte [esp + 0xcc], 0
call fcn.004fa410
lea ecx, [esp + 0x10]
mov dword [esp + 0xcc], ebp
call fcn.005df556
mov eax, 1
mov ecx, dword [esp + 0xc4]
pop edi
pop esi
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0xc0
ret