Forensia: Free Threat Intelligence Lookup

FORENSIA

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Verdict

KNOWN MALWARE — Rustystealer

What is this: Malware file — Rustystealer.
Should you care: Yes — Rustystealer is known-malicious, attributed by name.
What to do: Isolate and reimage any host with this file. Block the hash.

INVESTIGATEMODERATE EVIDENCE COVERAGEDeterministic · stored evidence only

Malware file investigation

RustyStealer malware sample

MalwareBazaar reported this exe sample as confirmed malware. RustyStealer is the stored family attribution. 2 distinct sources and 2 verified alternate digests are available. The hash identifies file bytes; it does not prove the file executed in any environment.

File classification

Confirmed malware sample

Classification is bounded to named stored sources.

Malware family

RustyStealer

A source-provided label, not a Forensia-inferred attribution.

File profile

SHA-256 · exe

Credential or information theft

Source corroboration

2 distinct connectors

2 polling citations are shown separately and not treated as independent evidence.

Related evidence

2 same-file digest variants

Only persisted same-file edges, YARA matches, and exact report mentions count here; generic file-type co-tags are excluded.

Observation window

2025-01-12 → 2026-08-26

These are first and last local feed observations, not file creation or execution times.

What the evidence supports

Findings stay bounded to named sources and observable infrastructure.

3 findings

Source confirms a malware sample

HIGH

The digest appears in MalwareBazaar, whose submission policy accepts vetted malware samples rather than suspicious or benign uploads.

MalwareBazaar feed · 2 distinct local connectors

The classification applies to this exact byte sequence; repacked or modified variants have different hashes.

Stored behavior categories

MODERATE

Credential or information theft

Explicit source tags; no behavior was inferred from the hash value itself.

Tags summarize reporting and are not a substitute for a sandbox trace or reverse-engineering report.

Verified same-file digest variants

HIGH

What remains unknown

No stored YARA match or sandbox behavior trace describes what the file does at runtime.
No locally ingested report provides delivery chain, victimology, actor, or campaign context for this exact hash.
No source-backed ATT&CK technique mapping is attached to this file.
Current prevalence, execution in your environment, and whether the sample is still distributed are not established by a hash lookup.
Command-and-control infrastructure is not asserted unless an exact report or persisted relationship supplies it.

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