Malicious RTF — malware analysis report

Static analysis result for SHA-256 1822b739467202b3…

MALICIOUS

RTF

46.4 KB Created: 2017-11-12 22:34:00 First seen: 2017-11-20
MD5: 12ee4fdfe4e6982f32135a0d1b6f3fdd SHA-1: 36743e778d8f7bb5bc1c9b77cc5cb4e30cda4407 SHA-256: 1822b739467202b3e94b6e0d8135e2dfd6e1872d78542fc32bd4105e6f7bf959
142 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The RTF document contains an OLE object that exploits CVE-2017-0199, a known vulnerability for remote code execution. The exploit targets the URL http://josephioseph.com/everyfile/htaenquiry.hta, which likely serves as a second-stage payload. The document body appears to be a benign quotation, suggesting a lure to entice the user to open the malicious RTF file.

Heuristics 5

  • CVE-2017-0199 (OLE2Link / weaponized URL) critical CVE exact CVE_2017_0199_WEAPONIZED_URL
    RTF contains a URL Moniker OLE link to a script/HTA/template-style remote loader, matching the tighter static CVE-2017-0199 shape.
  • Automatically linked OLE object high RTF_OBJAUTLINK
    RTF contains \objautlink — an automatically linked OLE object surface that can be updated or activated when Word opens the document.
  • OLE object data medium RTF_OBJDATA
    RTF contains 1 \objdata section(s) — embedded OLE objects
  • OlePres presentation stream in RTF OLE object medium RTF_OLEPRES_STREAM
    RTF contains an embedded OLE object with an OlePres presentation stream. OlePres is an OLE presentation marker and is not enough on its own to identify CVE-2025-21298.
  • 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://josephioseph.com/everyfile/htaenquiry.hta In RTF body
    • http://schemas.microsoft.com/office/word/2003/wordmlIn RTF body

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off00002de5.bin rtf-objdata-decoded RTF \objdata at offset 0x2DE5 7468 bytes
SHA-256: 477e7c0c96b8b8224b8ed5f0a4274cba558e072dca606909531451b79a5bdb25

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