MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1204 User Execution: Malicious Link
T1059 Command and Scripting Interpreter
The RTF document contains an embedded OLE object, specifically identified as an Equation Editor exploit. The document body includes a lure instructing the user to 'click Enable editing from the yellow bar above', which is a common tactic to bypass security measures and execute embedded malicious content. The presence of the Equation Editor exploit strongly suggests an attempt to leverage CVE-2017-11882 for arbitrary code execution.
Heuristics 5
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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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Embedded OLE object medium RTF_OBJEMBRTF contains \objemb — embedded OLE object
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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_off00002c2e.bin6ccf9c65702f97146cff3c61ac20c99057d15c50f34265ed6f58b828cd12b121 |
rtf-objdata-decoded | RTF \objdata at offset 0x2C2E | 1751 bytes |
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