MALICIOUS
100
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
T1566.001 Spearphishing Attachment
The sample is an RTF document containing OLE object data with an \objupdate directive, indicating an attempt to automatically activate embedded objects. This is a common technique for exploiting vulnerabilities or delivering malicious payloads. The presence of OLE object data and the \objupdate heuristic strongly suggest exploitation for client execution, likely delivered via a spearphishing 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 2 \objdata section(s) — embedded OLE objects
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off00001e4e.bine0eb11e9dcfb854095d078dd32896fad31e558067778b3eaf3e04f614a7f9629 |
rtf-objdata-decoded | RTF \objdata at offset 0x1E4E | 4178 bytes |
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