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, indicating an attempt to exploit CVE-2017-0199. This exploit is known to download and execute a secondary payload from a weaponized URL. The embedded URL, https://a.doko.moe/iknfsr.hta, is highly suspicious and likely serves as the source for this payload.
Heuristics 5
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CVE-2017-0199 (OLE2Link / weaponized URL) critical CVE exact CVE_2017_0199_WEAPONIZED_URLRTF contains a URL Moniker OLE link to a script/HTA/template-style remote loader, matching the tighter static CVE-2017-0199 shape.
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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 https://a.doko.moe/iknfsr.hta 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 | 2607 bytes |
SHA-256: 0ed9ce88f4742377d566485c7e8e43f366e65c61f9f7c333741d64fa967bdb70 |
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