MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
T1059.001 PowerShell
The sample is an RTF document containing embedded OLE objects, specifically triggering critical heuristics for Equation Editor exploitation and object updates. This indicates a likely exploit targeting the Equation Editor component to achieve code execution. The presence of ".bin" in the embedded artifact name suggests it may contain further malicious content or a payload.
Heuristics 3
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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 2 \objdata section(s) — embedded OLE objects
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off00000860.binf0401ab2d0aceb267047886b103ae21091f1e644618166afd15292ce8a58e1bf |
rtf-objdata-decoded | RTF \objdata at offset 0x860 | 1857 bytes |
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