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

Static analysis result for SHA-256 93193aee22c426c5…

MALICIOUS

Office (OLE) / .XLSX

160.0 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel First seen: 2023-09-05
MD5: 1ef6a976896f5a931b36f14d21fa7a31 SHA-1: 3ebce7e14c585a1e8b9bbde9145f2a351f530930 SHA-256: 93193aee22c426c5ec9dbb5b992c668d8a880039d1debbbb0e4c6af1778cc2bc
70 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://x.gd/WYgYR. Although the VBA project itself contains no executable statements, the presence of the OLE2Link object and the associated URL strongly suggest a remote code execution attempt. The sample is likely a downloader for a 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://x.gd/WYgYR

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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