Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 e55ab7f958452ff1…

MALICIOUS

Office (OLE)

9.0 KB Created: 1997-02-14 01:22:00 Authoring application: Microsoft Word 6.0 First seen: 2012-06-14
MD5: 3f10120a67c888fee80f8d95ca39eb05 SHA-1: 380dea85abc7f988ae577eaa87806f78bdc6aad2 SHA-256: e55ab7f958452ff175f01b2d99784d07708b43936c8250960f05c421b7462b0d
80 Risk Score

Malware Insights

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

The sample is a legacy Word document containing WordBasic macros. The presence of the 'FileSaveAs' marker in the AutoExec section and the ClamAV detection as 'Win.Trojan.AntiIVX-2' strongly suggest malicious intent. The macro likely attempts to download and execute a secondary payload, potentially targeting the AUTOEXEC.BAT file.

Heuristics 2

  • ClamAV: Win.Trojan.AntiIVX-2 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.AntiIVX-2
  • 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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