MALICIOUS
140
Risk Score
Malware Insights
MITRE ATT&CK
T1204 User Execution
T1059.005 Visual Basic
The sample exploits the CVE-2017-11882 vulnerability in Microsoft Equation Editor, as indicated by the RTF_OBJDATA and CVE_2017_11882 heuristics. The document body contains a lure to enable content, suggesting it's a dropper designed to bypass security measures and execute a payload. No specific family could be identified.
Heuristics 4
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CVE-2017-11882 — Equation Editor FONT record overflow critical CVE likely CVE_2017_11882Equation Editor MTEF contains an overlong FONT typeface field, the vulnerable copy primitive for CVE-2017-11882. This is stronger evidence than the Equation Editor CLSID alone because it identifies the malformed record that drives code execution in EQNEDT32.EXE.
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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_off000018c5.bin0e28ca4880fc72937359abf61e9ac0c4ddb74af5f2192f33baa2d59c87bc7b1e |
rtf-objdata-decoded | RTF \objdata at offset 0x18C5 | 3138 bytes |
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