Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 f5edf257dd3300c0…

MALICIOUS

Office (OLE)

75.0 KB Created: 2007-02-05 04:22:02 Authoring application: Microsoft Excel First seen: 2015-09-16
MD5: 349695265f38bfa2c6f131fb3f6bf9a0 SHA-1: a4a275e1847aeb8783d7863e41ce97c17d1289ce SHA-256: f5edf257dd3300c045b0ee0025056c1e9e62837342a8e2220b5893ffa3556b73
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The file is an Excel document identified as containing a legacy Excel formula macro virus marker. The document body contains what appears to be financial report text, possibly as a lure. The heuristic firing and the presence of formula macro markers strongly suggest malicious intent, likely to execute a payload via the macro.

Heuristics 1

  • 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.

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