Malicious RTF — malware analysis report

Static analysis result for SHA-256 4dfe458e382b5143…

MALICIOUS

RTF

83.0 KB
MD5: 0229838cadc6826ec94ba9fd24048741 SHA-1: 233178da06839a5c5074b754a7761b6a0a581732 SHA-256: 4dfe458e382b514368beae5216c3707a9eff0332ade2166f1422add9cae3d50b
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_off0000232c.bin
75a72c9efb7998612385e13b58889831987fed3677d74b5e146378dab737702b		 rtf-objdata-decoded RTF \objdata at offset 0x232C 3631 bytes

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