Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 77edd63e69b9c33a…

MALICIOUS

Office (OLE)

48.0 KB Created: 2011-01-22 06:48:26 Authoring application: Microsoft Excel First seen: 2015-09-19
MD5: 4fa45ea33a2d44b2cd742a3c95e62490 SHA-1: 639d342dd8ff5d20a8d6fcdcc3b629b529b02e69 SHA-256: 77edd63e69b9c33acefa1cccd53f97cce8f2c659e1f8eb4705ebc18d238671de
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The sample is identified as a legacy Excel formula macro virus, specifically 'Classic.Poppy by VicodinES'. The embedded text indicates its purpose is to infect other workbooks, saving them as 'Book1.xls', and potentially execute a payload. The virus is associated with 'The Narkotic Network 1998'.

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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