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

Static analysis result for SHA-256 7c93fb2a69b0dc72…

MALICIOUS

Office (OLE) / .XLS

556.0 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: 6f39f12354a1367e37cceffef11cc7fb SHA-1: 2e087ed93897ee0323b660c3690ba422b09a5c97 SHA-256: 7c93fb2a69b0dc7212527693efa13f46c5f059b8a582c407897b27b55b2f333a
70 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.005 Visual Basic

The critical heuristic firing indicates exploitation of CVE-2017-0199, which is used to download and execute a remote loader from the provided URL. The VBA macro, while not containing executable statements, is present and associated with the exploit. The embedded URL is the primary indicator for the second-stage payload.

Heuristics 3

  • OLE2Link / URL Moniker → remote loader — CVE-2017-0199 critical CVE likely CVE_2017_0199
    Document contains an embedded OLE link object whose URL Moniker points to a remote URL. When the host file is opened, Office follows the link, downloads the URL, and processes the response based on its Content-Type (HTA -> mshta.exe, RTF → Word, etc.) — the documented CVE-2017-0199 primitive. The URL extension is not a reliable filter; servers can return different payloads to Office's user agent.
  • VBA project contains no executable statements low OLE_VBA_MACROS
    Document contains a VBA project, but extracted modules only contain attributes/options/comments and no executable statements.
  • 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://zhort.de/poDbSN

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
7f506327609c082af1cd37dde23bc2c71a000f7d1ef530b6abb66775040a7673		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1206 bytes

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