It is known that "budget" test equipment from premium brands is usually a rebadged product, designed and manufactured by a "less premium" brand.
The usual examples
Keysight 1000 series scopes vs rigol ds1000 series
Lecroy wavesurfer 3000 vs siglent sds 3000
Be careful, the WaveSurfer 3000 is *NOT* a rebadge, it's hardware has been designed by Siglent with the help and under the control of LeCroy, and the software on that scope is solely developed by LeCroy (Siglent can't touch it, which considering their track record in firmware was a very wise decision). Siglent can sell the scope under their own brand in China (where it is sold as SDS3000) only, LeCroy has pretty much the rest of the world.
Such agreements aren't new for LeCroy, which has already done them in the past (i.e. with Iwatsu, which made the LeCroy WaveRunner LT, WaveRunner 2LT and WavePro 900 scopes hardware and which were sold as Iwatsu in Japan).
Also, while the WaveSurfer 3000 is notably cheaper than say the Keysight DSOX3000T, with a starting price of $3000 it is hardly in the "budget" range.
The rebadges in LeCroy's portfolio are the low-end Series WaveAce (all Siglent SDS1000xxx Series scopes), WaveJet (rebadged Iwatsu DS-5000 Series scopes) and the WaveStation Series of AWGs (again all Siglent SDG1000/SDG5000 rebadges). Because they are rebadges, there's no agreement for the OEM to limit sales of the original product to a certain area.
but is there any difference between the two besides a different paint job and -of course- price tag?
a better firmware? better accessories?
With rebadges, as the term implies it's the ODM hardware just carrying the big brand label. Differences are generally limited to mere optics, i.e. different paint jobs on the housing, and a different color scheme in the UI. Deviations from the original product are usually very limited to keep costs down, and cost is pretty much the main reason a big brand goes for rebagded products.