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

Static analysis result for SHA-256 2e7a06a4214bc84d…

MALICIOUS

Office (OLE) / .XLS

1.04 MB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel First seen: 2023-10-05
MD5: 0d104f29f3d27befd72de9f01d6188a3 SHA-1: 8dde865bc57acd32ec344922787f9c811300066a SHA-256: 2e7a06a4214bc84d2e389ccdbfc27399813f0ec00951f8982f8559459edd8489
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 document. The embedded URL points to a malicious .doc file, indicating a likely phishing or social engineering lure to trick users into downloading and executing further malware. No VBA code was found to be executable, but the exploit itself is sufficient for initial 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 http://103.182.16.23/900/i0ioi0iooioo0IOI0OIOIOiooioi00IOIoioioio0ioi0iOIOioiiOIoiOIOIOioIO0IOIO0.doc

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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