Update: I've been going around the forum seeing if people had the same issue and I found one thread (
https://www.gildor.org/smf/index.php/topic,8190.0.html) that helped me further my research. I finally managed to extract the assets using a modded version of umodel (
https://drive.google.com/file/d/1jc18jXMIqGFmAiOaRUF_IgorhZT6cea-/view) linked on said thread, my only issue with this is I'm unable to extract the audio files for some reasons, still unsure why. The error is:
Memory: bad allocation size -1379507296 bytes
appMalloc: size=-1379507296 (total=4 Mbytes) <- FArray::Empty: 1432586988 x 56 <- TArray::Serialize: 0/0 <- USoundWave::Serialize <- LoadObject: SoundWave'WAV_IDA_-_Low_Intensity_Loop.WAV_IDA_-_Low_Intensity_Loop', pos=2C1, ver=525/0, game=ue5.0 <- UObject::EndLoad <- LoadWholePackage: /Game/IDA_Music_Pack/Wavs/WAV_IDA_-_Low_Intensity_Loop.uasset <- ExportPackages <- UIMenuItem::HandleCommand <- UIMenu::Popup <- UIBaseDialog::WndProc <- UIBaseDialog::CustomMessageLoop <- UIBaseDialog::ShowDialog: modal=1, title="Choose a package to open" <- CUmodelApp::ShowPackageUI <- Main: umodel_build=1579 based fix55