Malicious RTF — malware analysis report

Static analysis result for SHA-256 644104983150e0de…

MALICIOUS

RTF

147.6 KB First seen: 2021-09-16
MD5: 6ac93a350c2b9fe4c493f569f1d6f857 SHA-1: 8e0968c3adc8f20cc2f31803334632ac8e576397 SHA-256: 644104983150e0de025fd2f50185730ea919315faebc196a0863d817270df512
100 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

This RTF document was flagged as malicious. Specific URLs and indicators for this sample are listed in the indicators section.

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_off0000005d.bin rtf-objdata-decoded RTF \objdata at offset 0x5D 3627 bytes
SHA-256: 5d2fede66a017b7e77d76299a823e2b47f173ae66ea06cc9778b34ad018bbb50

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