Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 518408a5ee53e41b…

MALICIOUS

Office (OLE)

31.0 KB Created: 1999-04-17 17:17:00 Authoring application: Microsoft Word for Windows 95 First seen: 2012-06-14
MD5: aac54b28e023696d86410952bc9b309b SHA-1: ff9c3ad72c95ce3cf24aefadb40d5324f4677ddf SHA-256: 518408a5ee53e41b0bdee6fb4f1dad1fcffe38dfd397d5866efdb75def365ffa
80 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The file is detected as Win.Trojan.Primit-1 by ClamAV. It contains a legacy WordBasic macro triggered by the AutoOpen event, a common technique for executing malicious code when a document is opened. The macro's specific actions are not detailed, but its presence indicates a likely malicious intent.

Heuristics 2

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