Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 2aeef7eea17ee527…

MALICIOUS

Office (OLE)

1.80 MB Created: 2009-01-21 01:27:42 Authoring application: Microsoft Excel
MD5: c9487c4cea0106f05635eae494a3cc96 SHA-1: 4cc6d92357cdc00455909cee1f9bbee6320db1fa SHA-256: 2aeef7eea17ee52718535f75c3bd9f3f58ea13c079b1ecb4e2df8f7513a3464e
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic for Applications

The critical heuristic firing for 'OLE_XLS_FORMULA_MACRO_VIRUS' with markers like 'Excel Formula Macro Virus', 'XF.Classic', and 'Poppy by VicodinES' strongly indicates the presence of a legacy Excel 4.0 macro. The document body contains Korean text related to telecommunications service quality metrics, which appears to be a lure. The presence of 'XL4Poppy' in the document body further supports the identification of this specific macro variant.

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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