Malicious RTF — malware analysis report

Static analysis result for SHA-256 96e34da45bab0097…

MALICIOUS

RTF

3.0 KB First seen: 2022-12-06
MD5: 53e0a65f4d1a5b5a0c8a7c267317c856 SHA-1: e736a31e21c3e9e8bd9690cdbd3e834986e77618 SHA-256: 96e34da45bab0097eae12785e53c6b12036ed2cf60cbf2b18c9ace58689ce388
60 Risk Score

Malware Insights

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

The RTF file contains OLE object data and an \objupdate directive, indicating it is designed to exploit OLE object activation to execute embedded content. This is a common technique for delivering malicious payloads. No specific family could be identified from the available 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_off00000072.bin
c4df9314bfd609ab5769e7278bd4f2dfb7dea326da5dac9bfa2a3dc9d6d887c3
rtf-objdata-decoded RTF \objdata at offset 0x72 1425 bytes