Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 837b3fe83eec2904…

MALICIOUS

Office (OLE)

601.5 KB Created: 2012-10-27 09:03:02 Authoring application: Microsoft Excel First seen: 2015-09-26
MD5: 4f72aa38260e2adbf3997f79ea3921e0 SHA-1: 2d4eaee61e9dadd9221c0265ed7d800ad472cf2e SHA-256: 837b3fe83eec29044d9e4c4f164a38ad25c977f901b804e08b564c437c07c3a4
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The critical heuristic firing indicates the presence of a legacy Excel formula macro virus, specifically mentioning 'Poppy by VicodinES' and 'Narkotic Network'. This suggests the file is an older type of malicious Excel document designed to execute embedded macros. The document body appears to be a Vietnamese academic grade list, likely a lure.

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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