Malicious RTF — malware analysis report

Static analysis result for SHA-256 03030d27da050845…

MALICIOUS

RTF

154.9 KB
MD5: 952127c36d722c23d89209fc65c5e098 SHA-1: 3bc294222f0c2b86741f8a71fb53dff211c20256 SHA-256: 03030d27da050845fb6f23c79bd46c68148dd3e5104c942a4c34f1163dbbb3ea
100 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is an RTF document containing 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_off0000237a.bin
e9003549541c83f4a42a15ec4add5cd4da7ce1d94c0caa29f3e7d6cf3730ce4e		 rtf-objdata-decoded RTF \objdata at offset 0x237A 28445 bytes

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