Malicious RTF — malware analysis report

Static analysis result for SHA-256 89151518ffe51ac8…

MALICIOUS

RTF

72.3 KB
MD5: 1a111a64d52436dfe8520dfd91329c18 SHA-1: 7517bef8917dd0728f8f8baabe023d845634f162 SHA-256: 89151518ffe51ac81fbac859038ffe1926bbca16d20fcdf2333b541a43ee699b
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_off00000112.bin
1d62593accdf796bea0ada6540eedabd6341eb4ca90f7e3cc837969c359c9a21		 rtf-objdata-decoded RTF \objdata at offset 0x112 3631 bytes

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