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

Static analysis result for SHA-256 0e2f9cd0118279ee…

MALICIOUS

Office (OLE) / .XLS

1.12 MB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: 36f69e2d2377dde336b25e89bb483ca7 SHA-1: 25f9ad64a599d27d6a048f7513a8229a4d246b1b SHA-256: 0e2f9cd0118279eef75efc582b17c3f485a0aae1dfb7265f2a2fbaf7bc490d01
70 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.005 Visual Basic

The critical heuristic firing indicates exploitation of CVE-2017-0199, which is used to download and execute a remote loader. The embedded URL is the primary indicator for the second-stage payload. Although VBA macros are present, they do not contain executable statements, suggesting the exploit is directly leveraged by the OLE object.

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://link.saja.market/as4TFfaKbb?&sled=sneaky&butcher=painstaking&december

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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