MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
T1059.001 PowerShell
The sample is an RTF document that leverages the Equation Editor vulnerability (CVE-2017-11882), indicated by the RTF_EQUATION_EDITOR heuristic. The RTF_OBJUPDATE heuristic suggests that the embedded OLE object is designed to be activated, leading to code execution. The presence of OLE object data further supports this. The primary goal is likely to exploit this vulnerability to download and execute a secondary payload, although no specific download URL or script was directly extracted from the provided evidence.
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 1 \objdata section(s) — embedded OLE objects
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off00001b48.bin6bf1a8a83a61c6467dcb187979b7339455ee41a7b898a4501cb6d030a58ba1dc |
rtf-objdata-decoded | RTF \objdata at offset 0x1B48 | 4192 bytes |
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