Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 e1cc1a91ff7ac052…

MALICIOUS

RTF / .DOC

3.6 KB First seen: 2022-12-12
MD5: 3c65a917341e734ffa6318affa3c09f9 SHA-1: 5b2f2570db00f0ce48152d7015cb08dc85c5ba24 SHA-256: e1cc1a91ff7ac052a2665c4eb25ea82fe2d677396c596a1ca8b76169f90627fc
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The RTF document contains an embedded OLE object, 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 and execute arbitrary code. The specific exploit or 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_off0000006e.bin
21b26474798bad748b3d5d00290d09459ad4723ff6653aacd8833a911f40e45e
rtf-objdata-decoded RTF \objdata at offset 0x6E 1727 bytes