Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 10dfd226d63e336c…

MALICIOUS

Office (OLE)

16.5 KB Created: 1997-12-31 17:52:00 Authoring application: Microsoft Word for Windows 95 First seen: 2012-06-14
MD5: dc4009e369fd8cb7e12f4e275c72965a SHA-1: 523383a0d0916a5d21569f3ed5829ec1c5547e8c SHA-256: 10dfd226d63e336c3b442463d1770b50249cc6c1505d129343939e09536ce4e5
80 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The sample contains a legacy WordBasic macro triggered by the AutoOpen event, which is a known indicator of malicious documents. The macro attempts to embed and execute a file named KERNEL.EXE, likely a second-stage payload. The presence of legacy WordBasic macros and the embedded executable strongly suggest a malicious intent, although the specific family cannot be determined.

Heuristics 2

  • ClamAV: Win.Trojan.ENFK1-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.ENFK1-1
  • 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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