Function at 0x418660
Capabilities:
Encode data using xor
Generate random numbers using the delphi lcg

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push ebx
xor ebx, ebx
push edi
mov dword [ebp - 8], ebx
cmp dword [esi + 0x100ac], ebx
je 0x418720
cmp dword [esi + 0x7c], ebx
jbe 0x418720
mov eax, 0xffffff5c
sub eax, esi
lea edi, [esi + 0xa4]
mov dword [ebp - 4], eax
jmp 0x4186a0
movzx ecx, byte [edi]
mov eax, dword [esi + 0x100d0]
mov ebx, dword [esi + 0x100dc]
xor ecx, eax
mov edx, dword [esi + 0x100d8]
shr eax, 8
and ecx, 0xff
mov ecx, dword [ebx + ecx*4]
xor ecx, eax
movzx eax, cl
add eax, dword [esi + 0x100d4]
mov dword [esi + 0x100d0], ecx
mov ecx, dword [esi + 0x100d8]
imul eax, eax, 0x8088405
inc eax
mov dword [esi + 0x100d4], eax
shr eax, 0x18
xor eax, ecx
and eax, 0xff
shr ecx, 8
xor ecx, dword [ebx + eax*4]
and edx, 0xfffd
or edx, 2
mov eax, edx
xor eax, 1
imul eax, edx
mov dword [esi + 0x100d8], ecx
mov ecx, dword [ebp - 4]
shr eax, 8
xor byte [edi], al
inc edi
add ecx, edi
cmp ecx, dword [esi + 0x7c]
jb 0x4186a0
xor ebx, ebx
mov edi, dword [esi + 0x7c]
mov ecx, dword [esi + 0x2c]
mov edx, dword [esi + 0x1c]
push edi
lea eax, [esi + 0xa4]
push eax
mov eax, dword [esi + 8]
push ecx
push edx
call eax
add esp, 0x10
cmp eax, edi
je 0x418744
or eax, 0xffffffff
jmp 0x418747
mov eax, dword [ebp - 8]
add dword [esi + 0x100c0], edi
mov ecx, dword [esi + 0x48]
pop edi
adc dword [esi + 0x100c4], ebx
add dword [esi + 0x100c8], ecx
mov dword [esi + 0x48], ebx
mov dword [esi + 0x7c], ebx
adc dword [esi + 0x100cc], ebx
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x425401
Capabilities:
Extract resource via kernel32 functions

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
push ecx
push ebx
push esi
push edi
xor ebx, ebx
xor edi, edi
mov dword [ebp - 4], ecx
cmp dword [ebp + 8], ebx
je 0x425448
call fcn.0041b7c7
mov esi, dword [eax + 0xc]
push 0xf0
push dword [ebp + 8]
push esi
call dword [sym.imp.KERNEL32.dll_FindResourceW]
test eax, eax
je 0x425448
push eax
push esi
call dword [sym.imp.KERNEL32.dll_LoadResource]
mov ebx, eax
test ebx, ebx
je 0x425464
push ebx
call dword [sym.imp.KERNEL32.dll_LockResource]
mov edi, eax
mov ecx, dword [ebp - 4]
push edi
call fcn.00424f01
mov esi, eax
test edi, edi
je 0x425462
test ebx, ebx
je 0x425462
push ebx
call dword [sym.imp.KERNEL32.dll_FreeResource]
mov eax, esi
pop edi
pop esi
pop ebx
leave
ret 4

Function at 0x425843
Capabilities:
Get graphical window text

Disassembly:
push 4
mov eax, 0x52aeea
call fcn.0050d06f
mov esi, ecx
cmp dword [esi + 0x6c], 0
jne 0x425868
push dword [ebp + 0xc]
push dword [ebp + 8]
push dword [esi + 0x20]
call dword [sym.imp.USER32.dll_GetWindowTextW]
jmp 0x4258ba
call fcn.0041ca12
push eax
lea ecx, [ebp - 0x10]
call fcn.0041aee5
mov ecx, dword [esi + 0x6c]
mov eax, dword [ecx]
and dword [ebp - 4], 0
lea edx, [ebp - 0x10]
push edx
call dword [eax + 0x8c]
push 0xffffffffffffffff
push dword [ebp - 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call fcn.0050d179
push eax
call fcn.0041a402
add esp, 0x14
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_lstrlenW]
mov ecx, dword [ebp - 0x10]
add ecx, 0xfffffff0
mov esi, eax
call fcn.0041ac29
mov eax, esi
call fcn.0050d147
ret 8