Function at 0x51bb80
Capabilities:
Check os version
Create process on windows
Delete file
Self delete

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x414
mov edx, dword [ebp + 8]
mov dword [ebp - 0xc], edi
mov dword [ebp - 0x10], ebx
mov eax, dword [edx]
test eax, eax
mov dword [ebp - 8], esi
mov edi, dword [ebp + 0xc]
je 0x51bba7
and byte [edi + 0x16a], 0xc7
mov eax, dword [edx]
cmp eax, 6
ja case.default.0x51bbb4
mov byte [ebp - 4], 0xa
jmp dword [eax*4 + 0x5f28f0]
test byte [edi + 0x16a], 4
je case.0x51bbb4.2
mov eax, 0x2e
mov edi, dword [ebp - 0xc]
mov esp, ebp
pop ebp
ret
movzx eax, byte [edi + 0x16a]
test al, 4
jne 0x51bbc4
or eax, 0x20
mov byte [edi + 0x16a], al
jmp 0x51bc74
movzx eax, byte [edi + 0x16a]
test al, 4
jne 0x51bbc4
or eax, 0x10
mov byte [edi + 0x16a], al
jmp 0x51bc74
test byte [edi + 0x16f], 0x10
jne 0x51bbc4
movzx ecx, byte [edi + 0x16a]
or ecx, 8
mov byte [edi + 0x16a], cl
mov eax, dword [edx]
cmp eax, 5
jne 0x51bc28
or byte [edi + 0x16a], 0x10
jmp 0x51bc74
cmp eax, 6
jne 0x51bc74
or ecx, 0x20
mov byte [edi + 0x16a], cl
jmp 0x51bc74
test byte [edi + 0x16a], 4
je 0x51bc74
mov eax, 0x2e
mov edi, dword [ebp - 0xc]
mov esp, ebp
pop ebp
ret
cmp dword [0x64c7c0], 0
je 0x51bc74
movzx eax, byte [edi + 0x170]
test eax, 0x80
je 0x51bc74
mov eax, dword [0x647100]
test eax, eax
jne 0x51bc74
or byte [edi + 0x16a], 8
and byte [edi + 0x16e], 0xfd
test byte [edi + 0x171], 0x10
jne 0x51bc88
xor esi, esi
jmp 0x51bc9a
push edi
call fcn.00533950
add esp, 4
mov esi, eax
and byte [edi + 0x171], 0xef
cmp byte [edi + 0x156], 1
je 0x51c26c
test byte [edi + 0x16a], 0x40
je 0x51bcd5
mov eax, dword [edi + 0x7c]
test eax, eax
je 0x51bcc6
mov byte [eax + 0x1e], 0
mov eax, dword [edi + 0x7c]
test eax, eax
je 0x51bcc6
mov byte [eax + 0x1f], 0
push edi
call fcn.0051c860
add esp, 4
test eax, eax
je 0x51bcd5
mov esi, eax
cmp dword [0x64c7c0], 0
je 0x51bd4c
movzx eax, byte [edi + 0x170]
test eax, 0x80
je 0x51bd4c
mov edx, dword [0x647100]
test edx, edx
jne 0x51bdce
mov ecx, dword [edi + 0x140]
cmp ecx, 0x20
jae 0x51bd23
mov edx, 1
shl edx, cl
test dl, 7
je 0x51bd23
test byte [edi + 0x171], 2
je 0x51c0dc
jmp 0x51bdce
movzx eax, byte [edi + 0x16a]
not eax
and eax, 8
shr eax, 3
push eax
push dword [edi + 0xe4]
call fcn.005ad310
add esp, 8
cmp eax, 0xffffffff
je 0x51c103
jmp 0x51bdbe
push 0xfffffffffffffff6
call dword [sym.imp.KERNEL32.dll_GetStdHandle]
cmp eax, dword [edi + 0xe4]
je 0x51bd9f
push 0xfffffffffffffff5
call dword [sym.imp.KERNEL32.dll_GetStdHandle]
cmp eax, dword [edi + 0xe4]
je 0x51bd9f
push 0xfffffffffffffff4
call dword [sym.imp.KERNEL32.dll_GetStdHandle]
cmp eax, dword [edi + 0xe4]
je 0x51bd9f
xor eax, eax
push eax
push eax
push edi
call fcn.005087b0
add esp, 0xc
push dword [edi + 0xe4]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
test eax, eax
je 0x51c114
jmp 0x51bdbe
cmp dword [edi + 0x90], 0
je 0x51bdbe
push 0xfffffffffffffff6
call dword [sym.imp.KERNEL32.dll_GetStdHandle]
mov ecx, dword [edi + 0xe4]
cmp ecx, eax
je 0x51c1e2
mov eax, dword [0x64c7c0]
test eax, eax
je 0x51bdd9
movzx eax, byte [edi + 0x170]
test eax, 0x80
jne 0x51bfe5
push 0x30c
push 0
lea eax, [ebp - 0x40c]
push eax
call fcn.005a3600
add esp, 0xc
xor edx, edx
mov eax, 0x40
mov dword [ebp - 0x18], edx
mov dword [ebp + eax - 0x5c], edx
mov dword [ebp + eax - 0x60], edx
mov dword [ebp + eax - 0x64], edx
mov dword [ebp + eax - 0x68], edx
sub eax, 0x10
jne 0x51bdf9
movzx eax, byte [edi + 0x16a]
test al, 0x20
mov dword [ebp - 0x58], 0x44
je 0x51beb7
test al, 8
jne 0x51be3e
push dword [edi + 0x60]
lea eax, [ebp - 0x40c]
push eax
call fcn.005526f0
xor edx, edx
add esp, 8
jmp 0x51be61
push dword [edi + 0x60]
push dword [edi + 0x60]
push str._s__DEL__s
lea eax, [ebp - 0x40c]
push eax
call fcn.005526f0
xor edx, edx
add esp, 0x10
and byte [edi + 0x16a], 0xf7
lea eax, [ebp - 0x6c]
push eax
lea ecx, [ebp - 0x58]
push ecx
push edx
push edx
push 0x4000000
push 1
push edx
push edx
lea ebx, [ebp - 0x40c]
push ebx
push edx
call dword [sym.imp.KERNEL32.dll_CreateProcessA]
xor edx, edx
test eax, eax
je 0x51c147
mov ebx, edx
push 0xffffffffffffffff
push dword [ebp - 0x68]
call dword [sym.imp.KERNEL32.dll_SetThreadPriority]
xor edx, edx
test eax, eax
je 0x51c12f
push dword [ebp - 0x6c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
movzx eax, byte [edi + 0x16a]
xor edx, edx
jmp 0x51beb9
mov ebx, edx
test al, 0x10
jne 0x51beca
mov edx, eax
and edx, 8
shr edx, 3
jmp 0x51bfc6
push str.FOR_DEFAULT_PRINT_DEVICE
call fcn.00552d40
xor edx, edx
add esp, 4
test eax, eax
mov ecx, 0x5f2938
mov dword [ebp - 0x100], 0x94
jne 0x51beee
mov eax, ecx
mov dword [ebp - 0x5c], eax
lea ecx, [ebp - 0x100]
push ecx
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
mov eax, dword [ebp - 0x5c]
xor edx, edx
cmp dword [ebp - 0xf0], 1
jne 0x51bf23
push eax
push dword [edi + 0x60]
push str.Command.com__C_COPY___s___s
lea eax, [ebp - 0x40c]
push eax
call fcn.005526f0
jmp 0x51bf38
push eax
push dword [edi + 0x60]
push str.Cmd.exe__C_COPY___s___s
lea eax, [ebp - 0x40c]
push eax
call fcn.005526f0
xor edx, edx
add esp, 0x10
lea eax, [ebp - 0x6c]
push eax
lea ecx, [ebp - 0x58]
push ecx
push edx
push edx
push 0x4000000
push 1
push edx
push edx
lea eax, [ebp - 0x40c]
push eax
push edx
call dword [sym.imp.KERNEL32.dll_CreateProcessA]
xor edx, edx
test eax, eax
je 0x51c1bd
push dword [ebp - 0x68]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor edx, edx
test eax, eax
je 0x51c1a5
push 0xffffffffffffffff
push dword [ebp - 0x6c]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
xor edx, edx
cmp eax, 0xffffffff
je 0x51c18d
push dword [ebp - 0x6c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor edx, edx
test eax, eax
je 0x51c175
movzx eax, byte [edi + 0x16a]
test al, 8
je 0x51bfdf
cmp dword [edi + 0xe8], 0
je 0x51bfca
and eax, 0xfffffff7
mov ebx, 5
mov byte [edi + 0x16a], al
test edx, edx
je 0x51bfdf
test al, 4
jne 0x51bfdf
push dword [edi + 0x60]
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
test eax, eax
je 0x51c15f
test ebx, ebx
je 0x51bfe5
mov esi, ebx
push dword [edi + 0x60]
call fcn.00505200
add esp, 4
test eax, eax
je 0x51bff8
mov esi, eax
jmp 0x51c008
xor eax, eax
mov dword [edi + 0x60], str._Unknown_
mov word [edi + 0x152], ax
push dword [edi + 0x38]
call fcn.00505200
add esp, 4
test eax, eax
je 0x51c01b
mov esi, eax
jmp 0x51c022
mov dword [edi + 0x38], 0
test byte [edi + 0x16a], 0x40
je 0x51c045
push dword [edi + 0x58]
call fcn.00505200
add esp, 4
test eax, eax
je 0x51c03e
mov esi, eax
jmp 0x51c045
mov dword [edi + 0x58], 0
movzx eax, byte [edi + 0x16d]
test eax, 0x80
jne 0x51c0ba
mov eax, dword [edi + 0x28]
lea edx, [edi + 0x18]
mov ebx, dword [edi + 0x2c]
mov dword [ebp - 0x14], eax
test byte [edi + 0x169], 0x18
je 0x51c09f
push 0x168
push 0
mov eax, dword [edi + 0x100]
push edx
mov dword [ebp - 0x5c], eax
call fcn.005a3600
add esp, 0xc
movzx eax, byte [edi + 0x169]
and eax, 0xffffffe7
mov edx, dword [ebp - 0x5c]
or eax, 8
mov byte [edi + 0x169], al
mov dword [edi + 0x100], edx
jmp 0x51c0af
push 0x168
push 0
push edx
call fcn.005a3600
add esp, 0xc
mov eax, dword [ebp - 0x14]
mov dword [edi + 0x28], eax
mov dword [edi + 0x2c], ebx
jmp 0x51c0c1
and byte [edi + 0x169], 0xdf
mov eax, esi
mov ebx, dword [ebp - 0x10]
mov esi, dword [ebp - 8]
mov edi, dword [ebp - 0xc]
mov esp, ebp
pop ebp
ret
mov eax, 0x30
mov edi, dword [ebp - 0xc]
mov esp, ebp
pop ebp
ret
call fcn.005ad5c0
movzx edx, byte [edi + 0x16a]
not edx
and edx, 8
shr edx, 3
push edx
push eax
call fcn.005ad310
add esp, 8
cmp eax, 0xffffffff
jne 0x51bdbe
and byte [edi + 0x16a], 0xf7
mov eax, dword [0x64c7c0]
jmp 0x51bdc3
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [edi + 0xe8], eax
mov esi, 0x1c
mov eax, dword [0x64c7c0]
jmp 0x51bdc3
call dword [sym.imp.KERNEL32.dll_GetLastError]
xor edx, edx
mov dword [edi + 0xe8], eax
mov ebx, 0x1c
jmp 0x51bea3
call dword [sym.imp.KERNEL32.dll_GetLastError]
xor edx, edx
mov dword [edi + 0xe8], eax
mov ebx, 0x1c
jmp 0x51be8e
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [edi + 0xe8], eax
mov ebx, 0x1c
jmp 0x51bfe3
call dword [sym.imp.KERNEL32.dll_GetLastError]
xor edx, edx
mov dword [edi + 0xe8], eax
mov ebx, 0x1c
jmp 0x51bfa4
call dword [sym.imp.KERNEL32.dll_GetLastError]
xor edx, edx
mov dword [edi + 0xe8], eax
mov ebx, 0x1c
jmp 0x51bf91
call dword [sym.imp.KERNEL32.dll_GetLastError]
xor edx, edx
mov dword [edi + 0xe8], eax
mov ebx, 0x1c
jmp 0x51bf7b
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [edi + 0xe8], eax
mov ebx, 0x1c
movzx eax, byte [edi + 0x16a]
mov edx, eax
and edx, 8
shr edx, 3
jmp 0x51bfc6
push 1
mov eax, dword [edi + 0x90]
lea ebx, [ebp - 0x410]
push ebx
neg eax
cdq
push eax
mov dword [ebp - 0x414], eax
mov dword [ebp - 0x410], edx
push ecx
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov dword [ebp - 0x414], eax
cmp eax, 0xffffffff
je 0x51c23e
mov ecx, dword [ebp - 0x410]
mov edx, 0xffffffff
sub eax, edx
sub ecx, edx
or eax, ecx
je 0x51c114
mov dword [edi + 0x90], 0
mov eax, dword [0x64c7c0]
jmp 0x51bdc3
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
je 0x51c25e
mov eax, 0xffffffff
mov dword [ebp - 0x414], eax
mov dword [ebp - 0x410], eax
jmp 0x51c114
mov eax, dword [ebp - 0x414]
mov ecx, dword [ebp - 0x410]
jmp 0x51c219
mov edx, dword [edi + 0x7c]
test edx, edx
je 0x51bca7
movzx eax, byte [edx + 0x1c]
test eax, eax
jne 0x51c28b
movzx eax, byte [edx + 0x1d]
test eax, eax
je 0x51bca7
mov edx, dword [edx + 0x10]
test edx, edx
push 1
jne 0x51c296
mov edx, edi
lea eax, [ebp - 4]
push eax
push edx
call fcn.005087b0
add esp, 0xc
cmp eax, 0xffffffff
je 0x51c2cb
mov eax, dword [edi + 0x7c]
test eax, eax
je 0x51bca7
mov byte [eax + 0x1c], 0
mov eax, dword [edi + 0x7c]
test eax, eax
je 0x51bca7
mov byte [eax + 0x1d], 0
jmp 0x51bca7
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [edi + 0xe8], eax
mov esi, 0x1c
jmp 0x51c2a8