Sload — Office (OLE) malware analysis

Static analysis result for SHA-256 b1e488e100817d28…

MALICIOUS

Office (OLE)

86.1 KB Created: 2018-10-05 15:22:00 Authoring application: Microsoft Office Word First seen: 2018-10-26
MD5: 15f5f9052be1b1b51e6b1d4f684ef3a2 SHA-1: d61f8cd06e85e33cea624f5614e828648340fef6 SHA-256: b1e488e100817d284f2f199b07b11df9a77287a1732b5ee05c85738c209862d2
64 Risk Score

Malware Insights

Sload · confidence 85%

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected by ClamAV as Doc.Downloader.Sload-6710134-0, 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 is designed to lure the user into downloading and executing a second-stage payload. The specific ClamAV detection name points towards the Sload malware family.

Heuristics 3

  • ClamAV: Doc.Downloader.Sload-6710134-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Sload-6710134-0
  • 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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