Win.Trojan.Look-1 — Office (OLE) malware analysis

Static analysis result for SHA-256 43fe5e7af8444f10…

MALICIOUS

Office (OLE)

25.0 KB Created: 1996-08-30 21:10:00 Authoring application: Microsoft Word 6.0 First seen: 2012-06-14
MD5: 76f35a6365a5a0cc5d91f5df3d06b967 SHA-1: e857a055b562e956bc24ec27fc1d164886700662 SHA-256: 43fe5e7af8444f10f08615bcd4d0ce81d249820ff140ac2158fa7fb7e50d35a9
80 Risk Score

Malware Insights

Win.Trojan.Look-1 · confidence 85%

MITRE ATT&CK
T1059.005 Visual Basic

The critical ClamAV heuristic identified the file as Win.Trojan.Look-1. The presence of a legacy WordBasic AUTOOPEN marker indicates the likely execution of a macro upon opening the document. This macro is suspected to be part of the initial stage of infection for this trojan family.

Heuristics 2

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