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

Static analysis result for SHA-256 cb6408400f2801e7…

MALICIOUS

Office (OLE) / .XLS

1.01 MB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: fc3ec4391d07c18f2bf979d7af719a9f SHA-1: 3d28a49636640830f340bf89e9b65b893dc014ba SHA-256: cb6408400f2801e76e4cddc6eca4626a29e97af788109f03dade60471966a621
60 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution

The critical heuristic firing indicates the exploitation of CVE-2017-0199 via an OLE2Link object, which is designed to load remote content. The extracted URL, https://link.emcdn.ru/lQPxN3, is likely the source of the secondary payload. This indicates a remote code execution attack pattern.

Heuristics 1

  • 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.

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