Malicious RTF — malware analysis report

Static analysis result for SHA-256 7404bcdd6f29f93f…

MALICIOUS

RTF

9.3 KB First seen: 2021-01-23
MD5: 4eda1f1313b0bc5cd43a3bd869b3058b SHA-1: 3ebf5665b88acfef46a706b5fb19d67a0c8ccce3 SHA-256: 7404bcdd6f29f93f0c14994914bc4ceeb2c931224d0f3b7f2df41b6cf8e9b720
100 Risk Score

Heuristics 3

  • Split hex Equation Editor ProgID + OLE object critical CVE likely RTF_EQUATION_EDITOR
    RTF embeds the Equation.3 ProgID as hex bytes near OLE object activation and splits the byte stream with whitespace or an ignorable RTF group. This is an Equation Editor OLE activation surface commonly used by CVE-2017-11882 / CVE-2018-0802 exploit documents.
  • 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_off000001c7.bin rtf-objdata-decoded RTF \objdata at offset 0x1C7 3629 bytes
SHA-256: 0b6fa14d4ae144ee891af28eecfbf2154bd4808cac5f39af141b90a91762cef5

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