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

Static analysis result for SHA-256 c1287a5e6da2bf05…

MALICIOUS

Office (OLE) / .XLSX

1.33 MB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: 9ce6b6c54aaf639195fbbdd2b2c61c0f SHA-1: f48d585d4069b76a776c4f124a51b92693156bbe SHA-256: c1287a5e6da2bf05da4963d7abe293511313dc9eae38e6b03f9c6bb9ed29078e
68 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1059 Command and Scripting Interpreter

The critical heuristic firing indicates exploitation of CVE-2017-0199, which is a known vulnerability used to download and execute remote code. The embedded URL is highly suspicious and likely serves as the source for the secondary payload. No VBA macros were found to be executable, suggesting the exploit relies solely on the OLE vulnerability.

Heuristics 2

  • 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.
    URL https://picsthashowithgreatnaturealteammemberswithgreatawarnesstothegreateeam.business@acessaurl.com/69UswZi
  • 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.

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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