Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 2e5c800fae52ca74…

MALICIOUS

Office (OLE)

91.5 KB First seen: 2015-10-05
MD5: bc1d71bcd3a4084394c69506b9ff0650 SHA-1: c6a18c9d9307e1b6ec8721270daa3019119b8bda SHA-256: 2e5c800fae52ca74ff202f27c34e945c9484259588cc27d1d29cc650c0e4f2e9
140 Risk Score

Heuristics 3

  • Legacy Excel formula macro virus marker critical OLE_XLS_FORMULA_MACRO_VIRUS
    Workbook stream contains self-identifying legacy Excel formula macro virus markers. This indicates the document carries formula macro virus content even when no VBA project or modern XLM macro-sheet structure is present.
  • Legacy XLM macro-virus family marker critical OLE_XLM_LEGACY_MACRO_VIRUS
    Workbook contains an Excel 4.0 macro sheet and legacy macro-virus family or workbook-replication strings. This is a narrow indicator for infected XLM workbooks rather than ordinary formula use.
  • Excel 4.0 (XLM) macro sheet present medium OLE_XLM_AUTOOPEN
    Workbook contains an Excel 4.0 macro sheet sub-stream — XLM is rarely seen in modern legitimate workbooks and was a major Office malware vector during 2020-2022.

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