Office (OLE) / .XLSX malware analysis — malicious · 38ae8d60957e24c8

MALICIOUS

Office (OLE) / .XLSX

514.0 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel First seen: 2023-06-07

MD5: 19ab5991277539ec1c93bb630f1a8d7a SHA-1: eae49d3c05a3065eebcaadc5fb8a3125f7f76da0 SHA-256: 38ae8d60957e24c81f93b351a34d78a8ecb73b304f99e3db568cc7fb045362a5

62 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File Execution: Malicious File T1059.001 Command and Scripting Interpreter: PowerShell

The sample leverages the CVE-2017-0199 vulnerability, which is known to facilitate the download and execution of malicious content. The embedded URL, http://107.172.148.208/md/mimimimimimiimimimi%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23mimimimi.doc, is highly suspicious and likely serves as the source for a secondary payload. The document body contains binary data and structural elements typical of an OLE compound file, further indicating its role as a container for exploit code.

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://107.172.148.208/md/mimimimimimiimimimi%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23mimimimi.doc

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