Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 70747709cb993962…

MALICIOUS

Office (OLE)

13.5 KB Created: 1999-04-18 18:08:00 Authoring application: Microsoft Word for Windows 95 First seen: 2015-10-01
MD5: 8fb1571d6c7a30f9589bf80c5f052710 SHA-1: 03b73dbf39516519d2e9643ccac674b38d81d741 SHA-256: 70747709cb99396292c54ccfa953ca455e768e0f6023e28b84c58cb0ff95814d
80 Risk Score

Malware Insights

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

The sample is a legacy Word document containing a WordBasic macro named 'AutoOpen', which is designed to execute automatically when the document is opened. This macro is indicative of a phishing attachment designed to deliver a malicious payload. The ClamAV detection of Win.Trojan.Alliance-11 further supports the malicious nature of the file.

Heuristics 2

  • ClamAV: Win.Trojan.Alliance-11 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Alliance-11
  • 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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