Malicious RTF — malware analysis report

Static analysis result for SHA-256 0ae264d6eb5d5a24…

MALICIOUS

RTF

694.8 KB Created: 2014-02-24 09:28:00 First seen: 2019-01-25
MD5: bc5e6fd078d2d8ea9f9a9b758bc29eeb SHA-1: c715370cc4fe6337937ed709b3bb414562901206 SHA-256: 0ae264d6eb5d5a24de1596b331479a458a826028daca5f5dd16aa3398c86dc09
302 Risk Score

Malware Insights

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

The RTF file contains embedded OLE objects and utilizes a composite moniker, indicating exploitation of CVE-2017-0199. This vulnerability allows the file to download and execute a secondary payload from the URL http://www.pobedsp.volgodonskoiraion.ru/images/stories/01.10.2012.xls. The presence of OLE object data and automatic linking further supports the exploitation of known vulnerabilities for remote code execution.

Heuristics 8

  • Composite Moniker — CVE-2017-8570 (drops SCT script) critical CVE related CVE_2017_8570
    RTF \objdata decodes to OLE data containing the Composite Moniker — CVE-2017-8570 (drops SCT script) CLSID — the vulnerable control/moniker is embedded directly in the document's object stream, the delivery shape of this exploit. RTF objects auto-render when Word opens the file.
  • CVE-2017-0199 (OLE2Link / remote URL Moniker) critical CVE likely CVE_2017_0199
    RTF contains a URL Moniker OLE link whose decoded target is remote. Office can fetch and process the response through the CVE-2017-0199 OLE2Link attack path, but the server-side content type is not proven statically.
  • Composite Moniker in RTF OLE object high CVE related RTF_COMPOSITE_MONIKER_RELATED
    RTF contains Composite Moniker CLSID in OLE object context, but no nearby scriptlet/SCT payload was confirmed. Treat as related moniker attack-surface evidence rather than proof of CVE-2017-8570 exploitation.
  • 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://www.pobedsp.volgodonskoiraion.ru/images/stories/01.10.2012.xls In RTF body
    • http://www.pobedsp.volgodonskoiraion.ru/images/stories/01.10.2012.xls+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_off000a1f23.bin rtf-objdata-decoded RTF \objdata at offset 0xA1F23 4137 bytes
SHA-256: 61d927bdb491d2eae6a97057018243407926c7ad87eba9a266031e2217ff0c46

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