MALICIOUS
100
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
T1566.001 Spearphishing Attachment
The RTF document contains OLE object data with an \objupdate directive, indicating an attempt to exploit OLE object activation for code execution. The high entropy of the decoded OLE object stream suggests it may contain shellcode or a packed payload. While no specific family is identifiable, the technique points towards a malicious document delivered as an attachment.
Heuristics 3
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Ole10Native stream in RTF OLE object high RTF_OLE10NATIVE_STREAMRTF contains an embedded OLE object with an Ole10Native stream. This is a strong payload-container signal and is related to Word/OLE exploit delivery, but it is not specific enough on its own to assign a CVE.
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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
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off000019b9.bina0ae06333a924b4c0ae1300519fcc5bce9af3101fa94f37bb9e27143b80670f9 |
rtf-objdata-decoded | RTF \objdata at offset 0x19B9 | 4249 bytes |
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