Malicious RTF — malware analysis report

Static analysis result for SHA-256 b65807028646ed73…

MALICIOUS

RTF

241.5 KB First seen: 2020-05-14
MD5: c1cfced81da0bbdb980bd720dafb5374 SHA-1: 4232163103361815834718bcf3fc74b8d85562ef SHA-256: b65807028646ed73fafd4cb30572b53a7b55779f974de28cd344eacd13aef2b9
160 Risk Score

Heuristics 5

  • Automatically linked OLE object high RTF_OBJAUTLINK
    RTF contains \objautlink — an automatically linked OLE object surface that can be updated or activated when Word opens the document.
  • \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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • OLE object data medium RTF_OBJDATA
    RTF contains 1 \objdata section(s) — embedded OLE objects
  • Macro/content-enable lure medium SE_ENABLE_LURE
    Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off00003a51.bin rtf-objdata-decoded RTF \objdata at offset 0x3A51 66894 bytes
SHA-256: 207922d93d6fcecebd6c838c8437ca97999835427cf8f91c4496f56950511a30