Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 d56defb06cc6a01a…

MALICIOUS

Office (OLE)

247.5 KB Created: 2010-03-09 02:31:29 Authoring application: Microsoft Excel First seen: 2015-10-13
MD5: e0cf87703e8f2774081f34e3b20e9c90 SHA-1: 2914b5700fe5243e94750463cd62f4125404bc84 SHA-256: d56defb06cc6a01aeca8026b088d72f05c45e9a3707fda58ec80b27d5b4e9a91
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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