Malicious RTF — malware analysis report

Static analysis result for SHA-256 616f066b3e09750b…

MALICIOUS

RTF

100.4 KB
MD5: 46afe10427ad8becdb377afcd1025908 SHA-1: 5a6700a2252cdea23a901d8f23745f78d7bb27f3 SHA-256: 616f066b3e09750bed9e5e44c2f008baa6ca6ae38fd06988df0cd6695be0a478
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 the execution of arbitrary code, indicating a likely exploit attempt.

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_off000023da.bin
1427d56388fc2dc27de34ec1e21c126be0fe16322443c346bd00efc02802a5a7		 rtf-objdata-decoded RTF \objdata at offset 0x23DA 3631 bytes

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