Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 6e9f83971b6c130f…

MALICIOUS

RTF / .DOC

3.6 KB First seen: 2023-03-06
MD5: 2f4e0141b2d14fe881031e4a1669e8a7 SHA-1: 097a32c24d633429461fc77df611d23cd732c538 SHA-256: 6e9f83971b6c130fc5c99a54899d1ef0b372945e6fd9c8de07e0897568213747
60 Risk Score

Malware Insights

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

The RTF document contains OLE object data and an \objupdate directive, indicating an attempt to exploit a vulnerability when the document is opened. The embedded OLE object is likely a payload designed to execute malicious code. No specific family could be identified from the available heuristics.

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_off0000006c.bin
a82e1ac7318d0173fb3a6d4fe1a09082c4a17d585e085a369bb8f4e4835e124e
rtf-objdata-decoded RTF \objdata at offset 0x6C 1753 bytes