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

Static analysis result for SHA-256 54eabef9d4d00730…

MALICIOUS

Office (OLE) / .XLS

50.0 KB Created: 2006-09-12 23:05:58 Authoring application: Microsoft Excel
MD5: f48fab7a3e47568d7bd40bf26ca0fe2a SHA-1: 81b32b9a5211f9b6f090e3c2c7604363da22efd3 SHA-256: 54eabef9d4d00730b4490bf04ea4b262990b73fce35690870c78e9003bb6e009
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The file is an Excel spreadsheet containing a legacy Excel Formula Macro Virus, identified as 'Poppy by VicodinES' and 'XF.Classic'. The embedded text explicitly mentions infecting other workbooks and saving them as 'Book1.xls' in the 'xlstart' directory, indicating a self-propagation mechanism. The virus appears to be a classic macro virus with no immediately obvious network communication or exploit attempts.

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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