MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1137.001 Office Installation: Office Application Startup
The sample is a malicious Office document containing an embedded OLE package that drops a JAR file named 'swift.jar'. The document body displays an error message prompting the user to double-click an icon, which likely leads to the execution of the embedded payload. This behavior is indicative of a spearphishing attachment designed to deliver malware.
Heuristics 4
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Office EPRINT stream contains EMF object high OLE_EPRINT_EMF_OBJECTOLE ObjectPool contains an EPRINT stream with EMF data. This is rare in normal documents and is related Office object-delivery evidence when paired with exploit payload anomalies, but the malformed graphics record required for exact CVE attribution is not proven by this rule alone.
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Ole10Native package drops an auto-executable payload critical OFFICE_PACKAGE_RISKY_FILEOLE Package displayName or fullPath ends in a directly auto-executable extension (a runnable binary or a script the default shell host runs on double-click). Embedding such a payload inside an Office document has no benign authoring use — it is a malware-delivery dropper.
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Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGEOne or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://schemas.openxmlformats.org/drawingml/2006/main In document text (OLE body)
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
ole10native_00.bin |
ole-package | OLE Ole10Native stream: ObjectPool/_1498166370/Ole10Native | 113565 bytes |
SHA-256: 5fb721c50443c5cc5d0ff057630d22750ac73c89f7bf3fec34bf64aee514dc53 |
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Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved artifact entropy is 7.86, consistent with packed or encrypted content.
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ole10native_00_swift.jar |
ole-package-payload | OLE Ole10Native payload: ObjectPool/_1498166370/Ole10Native; display_name=swift.jar; full_path=C:\Users\Jacob\AppData\Local\Temp\swift.jar; temp_path=; def_file= | 113280 bytes |
SHA-256: 4e76c99229ed9e1a6509435195bb58d022ca962caa8724d2cf4b3d29d03bf394 |
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