Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 455309599477b1c5…

MALICIOUS

Office (OLE)

199.5 KB Created: 2017-12-22 18:13:00 Authoring application: Microsoft Office Word First seen: 2019-03-10
MD5: 33942657bcffe8e02149b2506352691e SHA-1: f69053dc8fae1498a9202e98ff3eec536b61876c SHA-256: 455309599477b1c582fbe05b5c65769809ca2c8b55a2ea506e61e628c436f092
84 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with the signature 'Img.Dropper.PhishingLure-6443153-0', indicating it's a phishing lure. The presence of a legacy WordBasic auto-exec marker (AutoOpen) suggests an attempt to automatically execute malicious code upon opening. Although VBA extraction failed, the detection and marker point towards a phishing or credential harvesting attempt.

Heuristics 4

  • ClamAV: Img.Dropper.PhishingLure-6443153-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Img.Dropper.PhishingLure-6443153-0
  • Legacy WordBasic auto-exec macro marker medium OLE_LEGACY_WORDBASIC_AUTOEXEC
    OLE Word document contains a legacy WordBasic auto-execution marker such as AutoOpen, but no modern VBA project was recovered and no stronger macro-virus family marker was present. This is analyst-facing evidence for old Word macro execution surface, not a downloader or parser-CVE attribution by itself.
  • Unsupported Office format for VBA extraction info OFFICE_FORMAT_UNSUPPORTED
    olevba could not extract VBA macros (IndexError); 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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