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

Static analysis result for SHA-256 6c3640e3272f18b7…

MALICIOUS

Office (OLE) / .XLS

848.0 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: 6c6c47be910305bc63b507b01703e098 SHA-1: cac316bdbd048804686044794aa79c2c5476289b SHA-256: 6c3640e3272f18b794bfd3fd6445bb327efec2e719c6762ccd8ce1a73e3a6dc5
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 from the provided URL. Although the VBA project contains no executable statements, the presence of the CVE exploit and the embedded URL strongly suggests a malicious intent to download and run a second-stage payload. The VBA code itself is boilerplate and does not contribute to the malicious functionality.

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://snxpay.io/57MlIkR?&pressurisation=noisy&pamphlet=difficult&octagon=languid&legging=alert&divider=robust&vast=immense&skirt=defiant&wallet

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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