Sload — Office (OLE) malware analysis

Static analysis result for SHA-256 77dda91b801c02a7…

MALICIOUS

Office (OLE)

93.6 KB Created: 2018-10-05 08:20:00 Authoring application: Microsoft Office Word First seen: 2019-02-10
MD5: 0bd0312edbfff0ad10c00fc3f9a3a734 SHA-1: 9a8485520f7da55506cd10ee907052f04f73ac27 SHA-256: 77dda91b801c02a7076d19adcf37fa56f52fc1ee0ba7fe9a0932b453eaec9563
64 Risk Score

Malware Insights

Sload · confidence 85%

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The file was detected by ClamAV as Doc.Downloader.Sload-6794696-0, indicating it functions as a downloader. Although VBA macros could not be extracted due to an unsupported format, the presence of an embedded URL and the ClamAV signature strongly suggest the document's purpose is to download and execute a secondary payload. This aligns with the typical behavior of the Sload family.

Heuristics 3

  • ClamAV: Doc.Downloader.Sload-6794696-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Sload-6794696-0
  • Unsupported Office format for VBA extraction info OFFICE_FORMAT_UNSUPPORTED
    olevba could not extract VBA macros (AssertionError); format-agnostic byte-level scans still ran. Likely legacy, encrypted, or malformed OLE/OOXML — re-scanning the same bytes will yield the same outcome.
  • 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 http://schemas.openxmlformats.org/drawingml/2006/main In document text (OLE body)

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