Win.Trojan.Plushad-1 — Office (OLE) malware analysis

Static analysis result for SHA-256 1537082188933438…

MALICIOUS

Office (OLE)

11.5 KB Created: 1997-09-07 18:18:00 Authoring application: Microsoft Word for Windows 95 First seen: 2012-06-14
MD5: 07d251263c065960f90572b48f4acff9 SHA-1: 42cd9f6b0656e490b3dd57d00516513fcbdb5912 SHA-256: 1537082188933438fea3143c27308903749c06bf10ec59ee7522927b885ef008
80 Risk Score

Malware Insights

Win.Trojan.Plushad-1 · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic

The sample is a legacy Word document containing a WordBasic AutoOpen macro, identified by the OLE_LEGACY_WORDBASIC_AUTOEXEC heuristic. ClamAV detection confirms this as Win.Trojan.Plushad-1. The AutoOpen macro is designed to execute automatically when the document is opened, indicating a likely attempt to deliver a malicious payload.

Heuristics 2

  • ClamAV: Win.Trojan.Plushad-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Plushad-1
  • 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.

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