Emotet — Office (OLE) malware analysis

Static analysis result for SHA-256 f873efd8371bbe91…

MALICIOUS

Office (OLE)

117.8 KB Created: 2018-10-03 21:45:00 Authoring application: Microsoft Office Word First seen: 2019-08-04
MD5: e62f3412bea7f4d99d2c2d4113ce2bde SHA-1: 1f2e6e37503585d860d8c4deddbfd281ce9113d1 SHA-256: f873efd8371bbe9103b1360a82e16e290b434cfcbc1e50a0ac3387a25a0368b1
64 Risk Score

Malware Insights

Emotet · confidence 90%

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This file was detected by ClamAV as Doc.Downloader.Emotet-6887589-2, indicating it functions as a downloader for the Emotet banking trojan. Although VBA macros could not be extracted due to an unsupported format, the detection strongly suggests the file's purpose is to download and execute a second-stage payload. The embedded URL, while benign, does not negate the downloader functionality indicated by the ClamAV signature.

Heuristics 3

  • ClamAV: Doc.Downloader.Emotet-6887589-2 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-6887589-2
  • Unsupported Office format for VBA extraction info OFFICE_FORMAT_UNSUPPORTED
    olevba could not extract VBA macros (AssertionError); format-agnostic byte-level scans still ran. Likely legacy, encrypted, or malformed OLE/OOXML — re-scanning the same bytes will yield the same outcome.
  • 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)

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