Office (OLE) / .XLSX malware analysis — malicious · 5a5e99bafb0665eb

MALICIOUS

Office (OLE) / .XLSX

1.03 MB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel

MD5: f433f95eba4dfaf8a9d29192d8584282 SHA-1: db1f46df88c5b06ff176a87e26e9c7299646a138 SHA-256: 5a5e99bafb0665ebb6641dc5b6f0103966f79ad0e34fa6d23e3ae8d4f7628319

62 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The sample contains a critical heuristic indicating exploitation of CVE-2017-0199, which is used to download and execute a remote loader. The embedded URL http://tny.wtf/L9GtsJ is the likely source of this payload. No VBA or script content was extracted, limiting further analysis of the payload's behavior.

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 http://tny.wtf/L9GtsJ

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