Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 229346faf2435484…

MALICIOUS

Office (OLE)

208.0 KB Created: 2020-07-01 20:27:00 Authoring application: Microsoft Office Word First seen: 2020-07-24
MD5: 30d494585369140aa4fd1e55b94b1ce8 SHA-1: 47454a7a81ade1db3fe54709a38e8c32f358b958 SHA-256: 229346faf2435484d1bd5a9a61d48e1d556d09f77df5d26295f07f42bdc61d33
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The sample is a malicious Office document containing an embedded OLE package. This package, named 'ole10native_00.bin', is flagged as a risky file type that drops an auto-executable payload. The presence of this embedded artifact strongly suggests the document is designed to deliver a secondary malicious file to the victim.

Heuristics 3

  • Ole10Native package drops an auto-executable payload critical OFFICE_PACKAGE_RISKY_FILE
    OLE 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.
  • Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE
    One 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.
  • Embedded URL info EMBEDDED_URL
    One 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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
ole10native_00.bin ole-package OLE Ole10Native stream: ObjectPool/_1655147609/Ole10Native 188880 bytes
SHA-256: 52242546faf8b2568b22ba6b7b697436fd6e7ae2b478c3c4e577b4187e4f42f0
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact entropy is 8.00, consistent with packed or encrypted content.