Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 34de85db3cfec1b5…

MALICIOUS

Office (OLE)

298.5 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel First seen: 2021-02-19
MD5: d2a07dd640b91b391e02d05a5aff5b93 SHA-1: 050ace495b5c054b200dac533e4e4b9bf63261f4 SHA-256: 34de85db3cfec1b5a75ac40102eccd1b814a4ce02071cc5ac0d515805755d9ee
60 Risk Score

Heuristics 2

  • Encrypted Excel 4.0 macro sheet high OLE_XLM_ENCRYPTED_MACROSHEET
    Workbook contains an Excel 4.0 macro sheet and BIFF FILEPASS encryption. Password-protected XLM macro sheets, especially the default Excel password path, are a common malware evasion pattern because static formula extraction may fail until the workbook is decrypted.
  • Excel 4.0 (XLM) macro sheet present medium OLE_XLM_AUTOOPEN
    Workbook contains an Excel 4.0 macro sheet sub-stream — XLM is rarely seen in modern legitimate workbooks and was a major Office malware vector during 2020-2022.

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