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

Static analysis result for SHA-256 9501c4b050a3fb23…

MALICIOUS

Office (OLE) / .XLS

848.0 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: df29c5a57feee1b864a33c9975d63294 SHA-1: 8fb4891f5527c18fafcce7cd09deb5bbb7c5d090 SHA-256: 9501c4b050a3fb236329c4cdb165af158f5274882fb55ba74b1b5988bc5a1971
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 via an OLE2Link object, which attempts to load a remote resource from the URL 'https://snxpay.io/eExweWo?&wholesaler=low&skull=hellish&epee=psychotic&hard-hat=graceful&specific=rambunctious&caterpillar=ashamed&regulation'. Although no VBA code was extracted, the presence of the OLE vulnerability suggests the file is designed as a downloader for a secondary stage payload. The low severity heuristic for VBA macros indicates that while a VBA project exists, it contains no executable statements, which is unusual for a macro-based exploit.

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.
  • 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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