Malicious RTF — malware analysis report

Static analysis result for SHA-256 30c56153c926bcbe…

MALICIOUS

RTF

43.5 KB Created: 2017-09-20 20:58:00 First seen: 2017-10-10
MD5: b712bc48e74b3bdc1f94f6d7feb54d61 SHA-1: 3520d7f4d09bfad154d3ddbfca27ef231c4b710f SHA-256: 30c56153c926bcbe2ea0a8aea5dc6d1d7ae714157abbedf087d7b08caf1cf18a
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. The exploit targets the URL https://i.memenet.org/stnldl.hta, which is likely to host a second-stage payload. The presence of an embedded OLE object and the specific CVE exploit indicate a malicious document designed to download and execute arbitrary code.

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 https://i.memenet.org/stnldl.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_off00002821.bin rtf-objdata-decoded RTF \objdata at offset 0x2821 4664 bytes
SHA-256: 691267376b232120da33ca85af84567f81dde95727a62b3fcddce598277e11e7

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