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

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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Publication Details

Journal
Digital Threats Research and Practice
Published
2026-09-15
DOI
https://doi.org/10.1145/3839565
Primary Topic
Digital and Cyber Forensics
Type
article
Field-Weighted Citation Impact
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article

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

Harald Baier, Jan Gruber, Felix Freiling, Lisa Rzepka
Digital Threats Research and Practice
Digital and Cyber Forensics
article

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

Harald Baier, Jan Gruber, Felix Freiling, Lisa Rzepka
article en

Abstract

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.

Digital Threats Research and Practice
Karlsruhe Institute of Technology (DE), Friedrich-Alexander-Universität Erlangen-Nürnberg (DE), Universität der Bundeswehr München (DE)
Openalex Percentile: Top 4%
Digital and Cyber Forensics
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Frankenstein’s RAM: A Simulation Framework for Evaluating Memory Forensic Acquisition Strategies — Harald Baier, Jan Gruber, et al. · Digital Threats Research and Practice (2026) | TGRS Research Map | TGRS