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

Static analysis result for SHA-256 eb02177dac80b61e…

MALICIOUS

Office (OLE) / .XLSX

865.5 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: d6c7ca786c5989ff6e25fed8559acb21 SHA-1: 5daf1803e8f4b235fdf5063e2552ff209f2e6ad0 SHA-256: eb02177dac80b61ec5d56d507c725c5a3e232c9a110956da7f9eb8b12bb35bfe
68 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 https://lkbx.in/uhZaDR. Although the VBA project contains no executable statements, the presence of the OLE object and the associated URL strongly suggest a remote code execution attempt. This points to a downloader or initial access vector for further malicious activity.

Heuristics 2

  • 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.

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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