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

Static analysis result for SHA-256 ca224be24ead39f4…

MALICIOUS

Office (OLE) / .XLS

432.0 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel First seen: 2023-02-24
MD5: eb12020c4c5cc39d6dba8726b86c7bf2 SHA-1: f1de7aa0e8a860a0f8bf92f83296a91b1e624630 SHA-256: ca224be24ead39f4fe1e11408e2317afc19bb33d0013f5f500de0f8a7d98bf54
70 Risk Score

Malware Insights

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

The critical heuristic firing indicates the sample exploits CVE-2017-0199 via an OLE2Link object to load a remote document from the provided URL. The VBA project, though not containing executable statements directly, is part of the exploit mechanism. The embedded URL is the primary indicator of compromise, pointing to a malicious document hosted on an external server.

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://qquuuq9werqwqqqq00qwewerSASWERWRWIERIWERIEWIR00R0WEQQ00000000000000WEDRDEDRREDDRDD0000000000WSDJHFJDSFJHJ@212.87.204.209/O0-O.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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