MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
T1566.001 Spearphishing Attachment
The RTF file contains an OLE object that is automatically linked and updated, exploiting CVE-2017-0199. This vulnerability allows the file to fetch and execute a payload from the embedded URL http://avast.aandagroupbd.website/run.html. The exploit targets client execution and is likely delivered via spearphishing.
Heuristics 5
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CVE-2017-0199 (OLE2Link / remote URL Moniker) critical CVE likely CVE_2017_0199RTF 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.
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Automatically linked OLE object high RTF_OBJAUTLINKRTF contains \objautlink — an automatically linked OLE object surface that can be updated or activated when Word opens the document.
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\objupdate forces OLE activation high RTF_OBJUPDATERTF contains \objupdate — forces automatic OLE object instantiation when the document is opened, bypassing user interaction. Almost exclusively seen in Equation Editor exploit documents.
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OLE object data medium RTF_OBJDATARTF contains 1 \objdata section(s) — embedded OLE objects
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Embedded URL info EMBEDDED_URLOne 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://avast.aandagroupbd.website/run.html In RTF body
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off0000003f.bin |
rtf-objdata-decoded | RTF \objdata at offset 0x3F | 3133 bytes |
SHA-256: cdcf6587a68f3571bea6d00f5ae56444a99bd1989224546575932f22fbdb1b77 |
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