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

Static analysis result for SHA-256 83070ec723f2deb6…

MALICIOUS

Office (OLE) / .XLS

1.40 MB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: f767a0b55b38ebb0d1e30a205b73529e SHA-1: d8113dc3640d55eb451f2ceefa3709422bb78142 SHA-256: 83070ec723f2deb60335088e0567cd15c658768bac203a903d35dad72072c613
60 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The critical heuristic firing indicates exploitation of CVE-2017-0199 via an OLE2Link object. This technique is used to download and execute a remote payload from the provided URL. The URL itself is the primary indicator of compromise.

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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