Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 033a48733a81f04e…

MALICIOUS

RTF / .DOC

3.6 KB First seen: 2023-03-03
MD5: fb97b15e62bdb8e9d0124d788cdb9c0b SHA-1: ab985252f0589127250c0f15f899459ee5e500de SHA-256: 033a48733a81f04e178d4e8769f3995cd0abda76ff5856dd0d10ecf6cba09963
60 Risk Score

Malware Insights

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

The file is an RTF document containing OLE object data, which is flagged as a high-risk indicator for exploitation. The presence of \objupdate suggests an attempt to force OLE activation, likely to trigger an embedded exploit. The specific exploit and payload are 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_off00000074.bin
061c91ee2c2ead43fac345970b63900aeed11488b54b020b14081bfae5dedbe2
rtf-objdata-decoded RTF \objdata at offset 0x74 1741 bytes