MALICIOUS
147
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
The RTF document contains embedded OLE object data and specifically triggers the Equation Editor CLSID, indicating exploitation of a known vulnerability. The \objupdate directive forces OLE activation, leading to arbitrary code execution. No scripts or further payloads were directly extracted, but the exploit mechanism is clear.
Heuristics 3
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Equation Editor CLSID critical RTF_EQUATION_EDITOREquation Editor OLE CLSID found inside an OLE object — exploited by CVE-2017-11882 / CVE-2018-0802 / CVE-2018-0798
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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_off00001c88.bind77194ee9181ac3e056119b1ed07c9152d7fece58b2426e6b74e6e6df320424d |
rtf-objdata-decoded | RTF \objdata at offset 0x1C88 | 4155 bytes |
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