Function at 0x439d70
Capabilities:
Create new key via cryptacquirecontext
Encrypt data using des via winapi

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
push ebx
push esi
push edi
or ebx, 0xffffffff
mov edi, ecx
mov dword [ebp - 0xc], 0
mov dword [ebp - 8], 0
mov dword [ebp - 4], 0
xor esi, esi
lea eax, [ebp - 0x10]
push eax
call fcn.0058e4e1
add esp, 4
xor ecx, ecx
cmp esi, 0x10
jae 0x439dbb
mov al, byte [ebp + ecx - 0x10]
mov byte [esi + edi], al
inc ecx
inc esi
cmp ecx, 4
jb 0x439da3
cmp esi, 0x10
jb 0x439d95
push 0xf0000000
push 0x12
push 0
push 0
lea eax, [ebp - 0xc]
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
mov esi, dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x439e14
call esi
cmp eax, 0x80090016
jne 0x439e14
push 8
push 0x12
push 0
push 0
lea eax, [ebp - 0xc]
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
jne 0x439e14
call esi
push eax
push str.Unable_to_CryptAcquireContext__X__will_use_fallback.
push 4
call fcn.004351b0
add esp, 0xc
mov eax, ebx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
lea eax, [ebp - 8]
push eax
push 5
push 0x6609
push dword [ebp - 0xc]
call dword [sym.imp.ADVAPI32.dll_CryptGenKey]
test eax, eax
je 0x439f46
lea eax, [ebp - 4]
push eax
push 0
push 0
push 8
push 0
push dword [ebp - 8]
call dword [sym.imp.ADVAPI32.dll_CryptExportKey]
test eax, eax
jne 0x439e64
call esi
push eax
push str.Unable_to_CryptExportKey__u__will_use_fallback
push 4
call fcn.004351b0
add esp, 0xc
mov eax, ebx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push dword [ebp - 4]
call fcn.00587a78
add esp, 4
mov dword [ebp - 0x10], eax
test eax, eax
jne 0x439e8e
push str.Unable_to_allocate_memory_while_generating_key.
push 4
call fcn.004351b0
add esp, 8
mov eax, ebx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
lea ecx, [ebp - 4]
push ecx
push eax
push 0
push 8
push 0
push dword [ebp - 8]
call dword [sym.imp.ADVAPI32.dll_CryptExportKey]
test eax, eax
jne 0x439eba
call esi
push eax
push str.Unable_to_CryptExportKey__u__will_use_fallback
push 4
call fcn.004351b0
add esp, 0xc
jmp 0x439f26
mov eax, dword [ebp - 4]
add eax, 0xfffffff4
mov edx, 0xc
mov dword [ebp - 0x14], eax
cmp eax, edx
jle 0x439ee4
mov ebx, dword [ebp - 0x10]
sub ebx, edi
cmp edx, 0x10
jge 0x439ee4
lea ecx, [edx + edi]
inc edx
mov al, byte [ebx + ecx]
mov byte [ecx], al
cmp edx, dword [ebp - 0x14]
jl 0x439ed1
push dword [ebp - 8]
call dword [sym.imp.ADVAPI32.dll_CryptDestroyKey]
test eax, eax
jne 0x439f03
call esi
push eax
push str.Unable_to_CryptDestroyKey__u__will_use_fallback.
push 4
call fcn.004351b0
add esp, 0xc
push 0
push dword [ebp - 0xc]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
test eax, eax
jne 0x439f24
call esi
push eax
push str.Unable_to_CryptReleaseContext__u__will_use_fallback.
push 4
call fcn.004351b0
add esp, 0xc
xor ebx, ebx
push dword [ebp - 4]
mov esi, dword [ebp - 0x10]
push 0
push esi
call fcn.005877c0
push esi
call fcn.005864b7
add esp, 0x10
mov eax, ebx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
call esi
push eax
push str.Unable_to_CryptGenKey__u__will_use_fallback
push 4
call fcn.004351b0
add esp, 0xc
mov eax, ebx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret