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

Static analysis result for SHA-256 9e0e6fbe349153df…

MALICIOUS

Office (OLE) / .XLSX

608.0 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel First seen: 2026-02-19
MD5: 281cf547456d2ae8766450c6fe7ecc62 SHA-1: 8e2fa5ce009e274840fc9b91b26f45d0e4c87516 SHA-256: 9e0e6fbe349153df46e7f5704ce08e5a22ee52cf6aba99697d5b11413f142ffc
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 http://0005655757136/...................................php. Although the VBA project itself contains no executable statements, the presence of the OLE vulnerability and the embedded URL strongly suggest this file acts as a dropper for a secondary stage payload. The file's structure and the exploit targeted point to a common delivery mechanism for malware.

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 http://0005655757136/...................................php

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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