Win.Trojan.Look-4 — Office (OLE) malware analysis

Static analysis result for SHA-256 190bb4db8d90b3e9…

MALICIOUS

Office (OLE)

11.0 KB Created: 1996-08-20 19:22:00 Authoring application: Microsoft Word 6.0 First seen: 2012-06-14
MD5: 7b43aed2b7b0f7439d9393d35adcca1d SHA-1: 99c467d010ae84562b8c4753df6fd7bf647f6f11 SHA-256: 190bb4db8d90b3e9751b39b3649affcdfc4c56077e81d10e15f6e45ef23d98d2
80 Risk Score

Malware Insights

Win.Trojan.Look-4 · confidence 90%

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

The file is identified as a legacy Word document containing WordBasic macros, specifically triggering an AUTOOPEN macro. This macro is a common technique for executing malicious code upon document opening. The ClamAV detection name 'Win.Trojan.Look-4' suggests a trojan functionality, likely involving downloading and executing additional malware.

Heuristics 2

  • ClamAV: Win.Trojan.Look-4 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Look-4
  • 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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