Malicious RTF — malware analysis report

Static analysis result for SHA-256 bc895af50f4829e7…

MALICIOUS

RTF

72.0 KB
MD5: c36f413117ed6a6b92356cb1d637e77c SHA-1: 8121c277ff65b646d6082cef135dc875a36133ff SHA-256: bc895af50f4829e7c91881d9376ff51a926268fa712f91e21bc4ff8ba27d79c7
100 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The RTF file contains an embedded OLE object that triggers the CVE-2017-11882 vulnerability in Microsoft Equation Editor. This vulnerability allows for arbitrary code execution, indicating a malicious intent to compromise the user's system.

Heuristics 3

  • CVE-2017-11882 — Equation Editor FONT record overflow critical CVE likely CVE_2017_11882
    Equation 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.
  • OLE object data medium RTF_OBJDATA
    RTF contains 1 \objdata section(s) — embedded OLE objects
  • Embedded OLE object medium RTF_OBJEMB
    RTF contains \objemb — embedded OLE object

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off0000010e.bin
6a9fec30822b6f5236fe0be934ec1ad57821974d5edbb02d4181c8fee85eb762		 rtf-objdata-decoded RTF \objdata at offset 0x10E 3631 bytes

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