MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1204 User Execution
T1204.002 Malicious File
T1559 Component Object Model Hijacking
T1559.001 Component Object Model Hijacking: Component Object Model Hijacking
T1059 Command and Scripting Interpreter
T1059.005 Command and Scripting Interpreter: Visual Basic
The sample is an RTF document containing an embedded OLE object that exploits CVE-2017-11882. The document body contains a lure instructing the user to 'Enable Editing' and 'Enable Content', which is a common technique for malware droppers. The embedded OLE object is likely designed to execute a malicious payload upon activation.
Heuristics 5
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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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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_off000001e1.binf5614949acaa6b10dc91de19a64f26d3a5886ddd048f79e94f7a0848eb8e04f9 |
rtf-objdata-decoded | RTF \objdata at offset 0x1E1 | 4150 bytes |
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