Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 c90f5fffbef633ca…

MALICIOUS

Office (OLE)

13.0 KB Created: 1999-01-07 17:35:00 Authoring application: Microsoft Word 6.0 First seen: 2012-06-14
MD5: 6ceb48cfa134126c681b0643953847cf SHA-1: d463db98c148b257dd78f5999bb61442d9bd77bc SHA-256: c90f5fffbef633caaf929cafd63f032e984cc24c6557c9dc47e2bdf6995454a5
80 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The file is a legacy Microsoft Word document containing a WordBasic macro triggered by the AUTOOPEN event. The heuristic firing 'OLE_LEGACY_WORDBASIC_AUTOEXEC' confirms the presence of an auto-executing macro. The document body contains text that appears to be part of the macro's functionality or metadata, including the marker 'aUtOoPeN'.

Heuristics 2

  • ClamAV: Win.Trojan.Tiny-89 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Tiny-89
  • 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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