MALICIOUS
140
Risk Score
Malware Insights
MITRE ATT&CK
T1204 User Execution: Malicious File
T1059 Command and Scripting Interpreter
The RTF document contains OLE object data and specifically targets the Equation Editor vulnerability, as indicated by the RTF_EQUATION_EDITOR and RTF_OBJUPDATE heuristics. The SE_ENABLE_LURE heuristic confirms the presence of a lure to enable editing, which is a common technique for exploiting such vulnerabilities. The embedded OLE object, objdata_00_off000052a7.bin, is the likely payload carrier.
Heuristics 4
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Split hex Equation Editor ProgID + OLE object critical RTF_EQUATION_EDITORRTF embeds the Equation.3 ProgID as hex bytes near OLE object activation and splits the byte stream with whitespace or an ignorable RTF group. This is an Equation Editor OLE activation surface commonly used by CVE-2017-11882 / CVE-2018-0802 exploit documents.
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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
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Macro/content-enable lure medium SE_ENABLE_LUREDocument instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off000052a7.bin59322881e88308fdf2d9339c82514c476ea7117fbd0559baf3da0bc24374a954 |
rtf-objdata-decoded | RTF \objdata at offset 0x52A7 | 1642 bytes |
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