MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
T1059.001 PowerShell
The sample is an RTF document containing embedded OLE objects, with heuristics indicating that \objupdate forces OLE activation. This suggests the document is designed to exploit vulnerabilities or trick the user into executing embedded content. No document body or script content was available for further analysis, limiting the ability to determine the exact payload or delivery mechanism. The high entropy of the decoded OLE object suggests it may be packed or encrypted.
Heuristics 4
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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
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Embedded OLE object medium RTF_OBJEMBRTF contains \objemb — embedded OLE object
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off0000128f.bin439e16d5035baa23c12162c47077c621ea729640d4d6e58ecccb88965115df41 |
rtf-objdata-decoded | RTF \objdata at offset 0x128F | 4155 bytes |
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