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

Static analysis result for SHA-256 26d010db11e47343…

MALICIOUS

Office (OLE) / .XLS

550.5 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel First seen: 2026-06-02T15:00:00+00:00
MD5: 3068bccd49a6089cd004c7b274f4ea0b SHA-1: 841af6ca2e1e9086656078356e841a5d8005fb2f SHA-256: 26d010db11e473432f103bbf30faf2b9660db59b6a9f7a9cf177115823fdec4b
70 Risk Score

Malware Insights

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

The sample is an Excel file that exploits CVE-2017-0199 via an OLE2Link object to download a remote payload from the specified URL. Although the VBA project contains no executable statements, the critical heuristic firing indicates the exploit mechanism is present. The embedded URL is the primary indicator of compromise.

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://015353227644015353227644015353227644015353227644015353227644015353227644@lemon-kutt.lemon.cchan.tv/jub1v6

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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