Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 7bca2e6a9e381601…

MALICIOUS

RTF / .DOC

3.9 KB First seen: 2022-09-24
MD5: c80449c2fb00ecc1421cfec09721f6aa SHA-1: 47ba0c3da2ecba94f85e45d56e61e070791c7dfd SHA-256: 7bca2e6a9e3816011356d35f1c2aba558a6c64e4a87f8765282300eabf8a8f9a
60 Risk Score

Malware Insights

MITRE ATT&CK
T1559 Component Object Model Hijacking T1559.001 Component Object Model Hijacking: OLE

The RTF document contains an OLE object with objdata, indicated by the RTF_OBJDATA heuristic. The RTF_OBJUPDATE heuristic suggests that this object is designed to be activated automatically, likely to exploit a vulnerability or execute embedded code. The specific nature of the payload is not discernible from the provided evidence.

Heuristics 2

  • \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_off00000071.bin
694f6bac5aec86aa8f22c2f38ff4b16c09e710f07c18d7863c521bd4b6788eb6
rtf-objdata-decoded RTF \objdata at offset 0x71 1904 bytes