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

Static analysis result for SHA-256 0a1c350b95302949…

MALICIOUS

Office (OLE) / .XLS

536.5 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: 63103a07b3f47355d50768356e098c65 SHA-1: c4f4f2a5c0ba8a76aad51d2322d2c3020d0ab80c SHA-256: 0a1c350b9530294913391e11b7a61f9a8010cb648dc0eeb18aeedd8090ed3e04
70 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The critical heuristic firing for CVE-2017-0199 indicates that the OLE object is configured to download a remote payload from the URL 'https://zhort.de/JEOYEx'. Although VBA macros are present, they do not contain executable statements, suggesting the exploit relies on the CVE directly. This pattern is commonly used to deliver second-stage malware.

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/JEOYEx

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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