Digital and Cyber Forensics Open access Peer reviewed

Frankenstein’s RAM: A Simulation Framework for Evaluating Memory Forensic Acquisition Strategies

Lisa Rzepka, Jan Gruber, Felix Freiling, Harald Baier

Digital Threats Research and Practice | Sep 15, 2026

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Frankenstein is presented, a simulation-based framework that synthesizes a memory dump from a time series of atomic, hypervisor-level ground-truth snapshots under a configurable traversal strategy and bandwidth model and proposes novel page-category priority orderings that cut semantic inconsistencies and Hamming distance respectively.

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Memory forensics relies on acquiring a faithful copy of RAM, yet software-based acquisition is inherently non-atomic: the operating system keeps modifying memory while pages are read, producing inconsistencies known as page smear. Prior work formalized quality criteria and measured such inconsistencies, but how the acquisition strategy , i.e., page order and transfer rate, affects image quality remains unexplored, and no public framework decouples strategy from the acquisition channel. We present Frankenstein , a simulation-based framework that synthesizes a memory dump from a time series of atomic, hypervisor-level ground-truth snapshots under a configurable traversal strategy and bandwidth model. We implement seven strategy–bandwidth combinations and evaluate them across three workloads via Hamming distance and semantic analysis. We find the acquisition strategy considerably affects quality, but, interestingly, no traversal minimizes byte-level distance and structural-semantic inconsistencies at the same time, since pages dominating byte-level change (user mappings, page cache) compete with pointer-rich kernel objects (slab, kernel pages) for the most timely acquisition. We therefore propose novel page-category priority orderings—a structural focus (slab and kernel pages first) and a volatile focus (user and page-cache pages first)—cutting semantic inconsistencies and Hamming distance respectively.

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Authors

Researchers on this paper

Lisa Rzepka

first | Universität der Bundeswehr München | ORCID 0009-0001-4918-7449

Jan Gruber

middle | Karlsruhe Institute of Technology | ORCID 0000-0003-1862-2900

Felix Freiling

middle | Friedrich-Alexander-Universität Erlangen-Nürnberg | ORCID 0000-0002-8279-8401

Harald Baier

last | Universität der Bundeswehr München | ORCID 0000-0002-9254-6398

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Citation

BibTeX

@article{Rzepka2026Frankenstein,
  title = {Frankenstein’s RAM: A Simulation Framework for Evaluating Memory Forensic Acquisition Strategies},
  author = {Lisa Rzepka and Jan Gruber and Felix Freiling and Harald Baier},
  journal = {Digital Threats Research and Practice},
  year = {2026},
  doi = {10.1145/3839565},
  url = {https://doi.org/10.1145/3839565}
}

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