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

Static analysis result for SHA-256 7cdd615cf7c72a7c…

MALICIOUS

Office (OLE)

11.5 KB Created: 1998-02-07 11:27:00 Authoring application: Microsoft Word for Windows 95 First seen: 2012-06-14
MD5: eb687bfc46cdc33866d32c9d0f6a7101 SHA-1: f687989a76ee3a9ea238ed4b30861a798ed408fa SHA-256: 7cdd615cf7c72a7ca6f7f781c98a8f2baa8237a4d2e074b1e63d019ec3fe1d98
80 Risk Score

Malware Insights

Win.Trojan.Innuendo-1 · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The critical ClamAV heuristic identified the sample as Win.Trojan.Innuendo-1. The presence of a legacy WordBasic AutoOpen macro indicates an attempt to automatically execute malicious code when the document is opened. This is consistent with a macro-based malware delivery mechanism.

Heuristics 2

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