Malicious RTF — malware analysis report

Static analysis result for SHA-256 01b6296184f60f09…

MALICIOUS

RTF

105.7 KB First seen: 2021-09-15
MD5: 203e4880e948668e7788ec7332f313c3 SHA-1: ebd64f29f27bbf6e7558a27cd85a5a5e386f48d5 SHA-256: 01b6296184f60f0992e11ad035090aa108563550f5d990b04a1827528148e89e
100 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The RTF file contains embedded OLE object data, specifically triggering the CVE-2017-11882 vulnerability. This exploit allows for arbitrary code execution, likely to download and run a secondary payload. No specific family could be identified from the available evidence.

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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off00000057.bin rtf-objdata-decoded RTF \objdata at offset 0x57 3627 bytes
SHA-256: 5d2fede66a017b7e77d76299a823e2b47f173ae66ea06cc9778b34ad018bbb50

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