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

Static analysis result for SHA-256 17325bc4fbd3e188…

MALICIOUS

Office (OLE) / .XLS

1.20 MB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: 1f33c8b359cb013c059c9eea0f1af839 SHA-1: 4f5b8323ca37b1fcdec87195251386e87cbd4ca2 SHA-256: 17325bc4fbd3e188ce5f10e11f2df0a1c3967ba44664c4aed32211f6ec80a86e
62 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is an OLE file that exploits CVE-2017-0199, a known vulnerability for remote code execution. It contains an embedded URL that is likely used to download and execute a secondary payload. The heuristic firings and the embedded URL strongly suggest this attack pattern.

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.
  • 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://agr.my/g38BJp?&ikebana=poi

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