Malicious RTF — malware analysis report

Static analysis result for SHA-256 5147df17d73775f8…

MALICIOUS

RTF

247.6 KB First seen: 2020-05-14
MD5: 8ab170ad3befcd4083642b66031a351f SHA-1: eeed57f889b7e3dacb3311cf4087f0bdfacedd9a SHA-256: 5147df17d73775f853f7b4eafdc7c1c25d8d1ec36ea22548e66d40c37a6ec021
120 Risk Score

Heuristics 3

  • Equation Editor CLSID critical CVE likely RTF_EQUATION_EDITOR
    Equation Editor OLE CLSID found inside an OLE object — exploited by CVE-2017-11882 / CVE-2018-0802 / CVE-2018-0798
  • \objupdate forces OLE activation high RTF_OBJUPDATE
    RTF contains \objupdate — forces automatic OLE object instantiation when the document is opened, bypassing user interaction. Almost exclusively seen in Equation Editor exploit documents.
  • OLE object data medium RTF_OBJDATA
    RTF contains 1 \objdata section(s) — embedded OLE objects

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off00000089.bin rtf-objdata-decoded RTF \objdata at offset 0x89 79230 bytes
SHA-256: 72bc4d1fadacdbaf94cac15984c1177d7fa0ea479a55a16c20a1d9341ae171cc

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