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

Static analysis result for SHA-256 be19f617f8f44ad0…

MALICIOUS

Office (OLE) / .XLS

1.14 MB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: 94bf3cf5f61e340e9a21f8547ed0cacb SHA-1: abc3bdfcbda5c5078969fb016be2fec91cdbd5d5 SHA-256: be19f617f8f44ad0c75a580d529a2342e50469539ecd33aa6ac782050043128c
68 Risk Score

Malware Insights

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

The file is an OLE2Link object that leverages a URL Moniker to load a remote resource, indicative of CVE-2017-0199 exploitation. The embedded URL 'https://st3.pro/DXMg6tw?&celeste=spiritual&washer=modern&shape' is the primary indicator for the second-stage payload. Although the VBA project contains no executable statements, the critical heuristic firing confirms the exploit vector.

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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