MALICIOUS
140
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The RTF document contains multiple high-severity heuristics indicating the presence and activation of OLE objects. Specifically, RTF_OBJAUTLINK and RTF_OBJUPDATE suggest that the embedded OLE object is automatically linked and updated, which is a common technique for executing embedded malicious code. The RTF_OLE10NATIVE_STREAM heuristic further confirms the presence of a decoded OLE object. While no specific script was extracted, these heuristics strongly suggest that the file is designed to exploit OLE object vulnerabilities to download and execute a secondary payload.
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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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 2 \objdata section(s) — embedded OLE objects
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off000010f3.bindb4e05b942f917be012569018d6c81c4024074fe2dcfde99c6ea96f17f16f7c3 |
rtf-objdata-decoded | RTF \objdata at offset 0x10F3 | 4172 bytes |
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