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

Static analysis result for SHA-256 986475246725b391…

MALICIOUS

Office (OLE) / .XLSX

1.33 MB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: 19ceee89b018cd4f112afbf80098d16a SHA-1: b3d4e46ee6ab9bd2da5c42a7c3141b9f59f98133 SHA-256: 986475246725b3912766ed2e8494090e410870cfce30758d8d793bdbaa7f7825
68 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1059.005 Visual Basic

The critical heuristic firing indicates exploitation of CVE-2017-0199, which is a known vulnerability for remote code execution. The embedded URL is likely used to download and execute a secondary payload. No VBA macros were extracted, but the exploit itself is sufficient for malicious execution.

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://wildbeautyofkissingindustryofbeautuldayswithhinbusinesskinggoldenhours.busienss@acessaurl.com/HYjnLtK
  • 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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