Malicious RTF — malware analysis report

Static analysis result for SHA-256 3364ea0b662ce171…

MALICIOUS

RTF

42.6 KB Created: 2017-09-20 21:10:00 First seen: 2017-10-10
MD5: cea83468763c51711d0d8799ba0530b6 SHA-1: f47afbcad7b81e34810508acf560e714f643074b SHA-256: 3364ea0b662ce171d33f5d64550ff217a1e5e2afb9598c464fce7a5ed97d653f
202 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The RTF file contains an OLE object that exploits CVE-2017-0199, a known vulnerability for client execution. This exploit is configured to download and execute a HTA payload from the URL http://46.165.194.94/protected/17072002.hta. The presence of the weaponized URL and the OLE object strongly indicate malicious intent.

Heuristics 6

  • 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.
  • ClamAV: Rtf.Exploit.CVE_2017_0199-6335035-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Rtf.Exploit.CVE_2017_0199-6335035-0
  • 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://46.165.194.94/protected/17072002.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_off0000298d.bin rtf-objdata-decoded RTF \objdata at offset 0x298D 3760 bytes
SHA-256: 28051a93b8fb37cc55ad467ce3be1291734aeacf29f68a5c0f9fa3fce81c4188

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