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

Static analysis result for SHA-256 59e0628c81febf0a…

MALICIOUS

Office (OLE) / .XLS

317.5 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: 7956a0a47a205102198a51556cb1150c SHA-1: 4b036800524e58107e87df0f86b38ee61379eab5 SHA-256: 59e0628c81febf0af7a1b8a71e5b61c7e52fe6d336f935fcb76b5df55e0b6a4e
80 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The presence of an Excel 4.0 macro sheet and the ClamAV detection as 'Doc.Downloader.Docusign0521-9864805-0' strongly indicate a downloader. The document body, though fragmented, contains references to 'DocuSign' and a URL that likely serves as the download source for a secondary payload. The XLM macro is likely responsible for executing the download process.

Heuristics 3

  • ClamAV: Doc.Downloader.Docusign0521-9864805-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Docusign0521-9864805-0
  • 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.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://thealtbox.co.uk/ds/1602.gif�
    • https://thealtbox.co.uk/ds/1602.gif

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