Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 33646ff902ba1113…

MALICIOUS

Office (OLE)

48.5 KB First seen: 2015-10-04
MD5: b5f05d16dd998acc4b3be93ca799e210 SHA-1: 951e7bc025bc7b11cc455671e9e25713f465941b SHA-256: 33646ff902ba1113e1a39feb89ff370252481f936baf3caab44fd39035ded2a5
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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