Malicious RTF — malware analysis report

Static analysis result for SHA-256 00a7db7ca232cff4…

MALICIOUS

RTF

156.3 KB
MD5: f4095e75600272806a775056a576d22e SHA-1: 42efa9ab2fc31db3da62e0f5569157b7cca21c17 SHA-256: 00a7db7ca232cff475f41d91d348f90112f57e5bb0b785edd3238ab629bc0f54
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 Equation Editor vulnerability. This exploit allows for arbitrary code execution, indicating a malicious intent to compromise the 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_off00002390.bin
80611c6a7c618a4432d772e6f20aa9fd38b3c118fabdec6afa7016705548686c		 rtf-objdata-decoded RTF \objdata at offset 0x2390 28445 bytes

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