AN1631: Analytic 1631
Monitoring adversary access to sensitive process memory via the /proc filesystem to extract credential material, often involving multi-step access to /proc/[pid]/mem or /proc/[pid]/maps combined with privilege escalation or credential scraping binaries.
Analyst context for executives and security teams
This analytic concerns Linux attempts to read sensitive process memory through the /proc filesystem, which can expose credential material if an attacker has sufficient access. For leaders, the practical issue is whether Linux systems that hold credentials, tokens, or privileged sessions have enough visibility and access control to show when process memory is being inspected in suspicious ways.
Executive priority
Prioritize this where Linux workloads support critical business services, privileged administration, identity infrastructure, or applications that may keep secrets in memory. The decision value is to confirm whether SOC and incident response teams can prove or disprove suspicious access to /proc/[pid]/mem or /proc/[pid]/maps, especially when combined with privilege escalation or credential-scraping behavior. This supports resilience, audit evidence, and incident scoping, but the supplied ATT&CK object does not provide a formal detection logic or any claim of active exploitation.
Technical view
Validate Linux telemetry for access to sensitive /proc process-memory interfaces, particularly /proc/[pid]/mem and /proc/[pid]/maps. Because the object describes multi-step access combined with privilege escalation or credential scraping binaries, defenders should correlate process/file access events with privilege changes, unusual parent-child process context, and execution of tools that interact with process memory. No tactics, relationships, or official detection logic are supplied, so local baselining is required.
Likely telemetry
- Linux process execution telemetry
- Linux file access telemetry for /proc/[pid]/mem and /proc/[pid]/maps
- Privilege escalation or effective-user change events
- Command-line and parent-child process context
- Endpoint detection or audit logs showing access to process memory-related paths
Detection direction
- Confirm whether Linux logging can capture reads or opens of /proc/[pid]/mem and /proc/[pid]/maps at sufficient fidelity.
- Tune detections around unusual processes accessing another process's memory-related /proc entries, while accounting for legitimate debugging, monitoring, performance, and security tools.
- Correlate /proc memory access with recent privilege escalation indicators or execution of credential-scraping binaries, as described in the ATT&CK object.
- Avoid treating all /proc access as malicious; focus on sensitive memory paths, process context, user privilege, and deviation from known administrative baselines.
- Document gaps where endpoint or audit policy does not record file access under /proc, because the official object provides no detection implementation.
Mitigation priorities
- Restrict unnecessary privileged access on Linux systems, since sensitive process-memory access often depends on elevated permissions.
- Harden and monitor administrative pathways that can lead to privilege escalation before memory access occurs.
- Limit deployment and execution of tools that can inspect or scrape process memory to approved administrative use cases.
- Maintain incident response playbooks for validating suspected credential exposure from Linux process memory.
- Use local testing and baselining to confirm that SOC alerts distinguish legitimate debugging or monitoring activity from suspicious memory access.
Analyst notes and limits
The supplied object is a detection analytic for Linux focused on adversary access to sensitive process memory through /proc. It has no supplied ATT&CK tactic, no relationship context, and no official detection text, so this take emphasizes validation questions and telemetry requirements rather than a specific rule.
Assessment is limited to the supplied STIX fields, external reference, and description. No active exploitation, attribution, business impact, or guaranteed detection coverage is implied. Local Linux configuration, audit policy, endpoint tooling, and legitimate administrative workflows determine practical coverage.
Analytic 1631
Monitoring adversary access to sensitive process memory via the /proc filesystem to extract credential material, often involving multi-step access to /proc/[pid]/mem or /proc/[pid]/maps combined with privilege escalation or credential scraping binaries.
How security teams should use this page
Treat this object as behavior context, not an attribution claim. Validate the related groups, software, data sources, and mitigations against official ATT&CK relationships and your own telemetry before making control-coverage decisions.
All related ATT&CK context
No relationships are available in the current normalized data for this object.
Object version and sync metadata
The fields below describe the current mirrored snapshot. When Glexia retains multiple ATT&CK source imports, you can open the table to compare the same object across releases (hashes and MITRE timestamps). For MITRE’s own release notes and roadmap, see ATT&CK resources — Updates .
Imported snapshots across ATT&CK releases (1)
| Release | Bundle imported | Object version | Modified | Status | Raw hash |
|---|---|---|---|---|---|
| 19.1 | 1.0 | Current bundle | f9d3817f26f5… |
Mirrored ATT&CK source object
The raw object is retained through the mirrored ATT&CK source bundle and object hash. The raw endpoint returns the exact object from the mirrored bundle when available.
External references and citations
MITRE external references are preserved separately from Glexia analysis so citations remain traceable to their original source records.
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mitre-attack AN1631Open source URL
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