Sload Office (OLE) malware analysis — malicious · 90d1d29ed1538b77

MALICIOUS

Office (OLE)

126.4 KB Created: 2018-10-02 18:52:00 Authoring application: Microsoft Office Word First seen: 2019-01-11

MD5: 1035e389f1bf562ed879d13c1e2892b7 SHA-1: c548e3268533e58351bb957be3d39b99c0234199 SHA-256: 90d1d29ed1538b77095671b296b48bf14b867b732f1e558644e90de4c903cf84

84 Risk Score

Malware Insights

Sload · confidence 90%

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.005 Visual Basic

The file is detected as malicious by ClamAV with the signature Doc.Downloader.Sload-6827538-0, indicating it belongs to the Sload family. A legacy WordBasic auto-exec macro marker (AutoOpen) was found, suggesting an attempt to execute malicious code upon opening. Although VBA macros could not be extracted, the presence of the auto-exec marker and the ClamAV detection strongly imply a downloader functionality.

Heuristics 4

ClamAV: Doc.Downloader.Sload-6827538-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Sload-6827538-0
Legacy WordBasic auto-exec macro marker medium OLE_LEGACY_WORDBASIC_AUTOEXEC

OLE Word document contains a legacy WordBasic auto-execution marker such as AutoOpen, but no modern VBA project was recovered and no stronger macro-virus family marker was present. This is analyst-facing evidence for old Word macro execution surface, not a downloader or parser-CVE attribution by itself.
Unsupported Office format for VBA extraction info OFFICE_FORMAT_UNSUPPORTED

The Analyzer could not extract VBA macros: the document may be legacy, encrypted or malformed.
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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