MALICIOUS
220
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious File: User Execution
T1059.005 PowerShell
The RTF document contains OLE object data and triggers heuristics related to CVE-2017-8570, which is known to drop SCT scripts. The document body explicitly instructs the user to 'Enable Editing', a common lure for macro-based malware. The embedded artifacts are likely components of the exploit chain.
Heuristics 7
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Composite Moniker — CVE-2017-8570 (drops SCT script) critical CVE_2017_8570RTF \objdata decodes to OLE data containing the Composite Moniker — CVE-2017-8570 (drops SCT script) CLSID — the vulnerable control/moniker is embedded directly in the document's object stream, the delivery shape of this exploit. RTF objects auto-render when Word opens the file.
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Composite Moniker in RTF OLE object high RTF_COMPOSITE_MONIKER_RELATEDRTF contains Composite Moniker CLSID in OLE object context, but no nearby scriptlet/SCT payload was confirmed. Treat as related moniker attack-surface evidence rather than proof of CVE-2017-8570 exploitation.
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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 3 \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
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Suspicious extracted artifact medium EXTRACTED_FILE_STATIC_TRIAGEOne or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off00000ba4.bin50f528718045a830cf821417355ff985c85c31f9d58bdbe39371980622c8e963 |
rtf-objdata-decoded | RTF \objdata at offset 0xBA4 | 24026 bytes |
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Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved artifact contains 1 shell/COM execution token(s).
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objdata_01_off0000cf78.bin81ac98515bd4de25fc9f4148c41d6c0b489643c09de1fbb1e6bb969a785f1b01 |
rtf-objdata-decoded | RTF \objdata at offset 0xCF78 | 2632 bytes |
objdata_02_off0000e51b.bin142dc43284d9abe994719f8fb67bc4c04bfc3f07528a1a66b0bad7e552ee8e78 |
rtf-objdata-decoded | RTF \objdata at offset 0xE51B | 12297 bytes |
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