Malicious Office (OLE) / .XLS — malware analysis report

Static analysis result for SHA-256 775d60dfa6fea682…

MALICIOUS

Office (OLE) / .XLS

35.5 KB Created: 2005-03-14 06:44:19 Authoring application: Microsoft Excel
MD5: f09bf737e39dbd4f22e14a1c73be7063 SHA-1: e7733c09dc52ea71340fec1c011f2b0ffde2d4fa SHA-256: 775d60dfa6fea68216917d2f0f7d477eedeb7a131551da95c6f510c06201b056
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The file is identified as a legacy Excel formula macro virus, specifically 'Poppy' by VicodinES and part of 'The Narkotic Network'. It contains references to infecting other workbooks and saving itself as 'Book1.xls' in the Excel startup directory, indicating a self-spreading mechanism.

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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