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

Static analysis result for SHA-256 696c5db492298e45…

MALICIOUS

Office (OLE) / .XLSX

665.5 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: 1afd04c41f690d3eee176894eb0c68fe SHA-1: b03f54353f5eb57537888bbac35d71336c0a7114 SHA-256: 696c5db492298e45c79d37eab78645ad3a59c855d140434d7719a60bd643b0f8
62 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample contains a critical heuristic firing for CVE-2017-0199, indicating it attempts to exploit a vulnerability to download a remote payload from the URL http://tgt.ng/uAIHxP. The file is an OLE object, likely an Excel spreadsheet, which is a common vector for such exploits. The embedded URL is the primary indicator of compromise.

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://tgt.ng/uAIHxP

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