Malicious RTF — malware analysis report

Static analysis result for SHA-256 ba2aa054f6f35336…

MALICIOUS

RTF

159.4 KB
MD5: 3186dbb4900609fb2cc4505e6ddca0f5 SHA-1: 16f1a8a7f8c1cff487a63538159747bf09f17c57 SHA-256: ba2aa054f6f35336082bb7b7b087d4c1cc74a57d975120e10ac95982dcbed437
100 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The RTF document 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_off000023c8.bin
9439306ba59d4e24ddd88c70cd509e51f450cb2cf4d1ae882e7c6719f01bac84		 rtf-objdata-decoded RTF \objdata at offset 0x23C8 28445 bytes

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