Malicious RTF — malware analysis report

Static analysis result for SHA-256 3d5195d15c19f94d…

MALICIOUS

RTF

43.3 KB Created: 2017-12-12 12:22:00 First seen: 2017-12-24
MD5: 66beada6e1304fe8e54aa76ed67fa467 SHA-1: 31acdf511d55f7cda3b7f49c01a28c93a539ee14 SHA-256: 3d5195d15c19f94d5c5506e57e4d34ad3eff6c14b136db6b60f6df6c32e60942
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 a HTA file from the URL http://ddl2.data.hu/get/281430/10909784/qwqasazxff.hta. The HTA file is likely a second-stage payload, indicating a downloader attack pattern.

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://ddl2.data.hu/get/281430/10909784/qwqasazxff.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_off00002756.bin rtf-objdata-decoded RTF \objdata at offset 0x2756 4664 bytes
SHA-256: 5ee3840e9fe4b3b994560ddf28237ff2eccc72562cbff7b0763fb0b644706a38

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