Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 5ce023cad92c9464…

MALICIOUS

RTF / .DOC

3.2 KB First seen: 2023-07-08
MD5: 577402ff575405cc3e5df0447a38f44a SHA-1: 55183732d3b258e97382aa249485961fc2697cc1 SHA-256: 5ce023cad92c9464565d345e02cc615a6ee3cfe5ad5c0f1bbb885999e6dcef76
100 Risk Score

Malware Insights

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

The RTF file contains OLE object data that is automatically linked and updated, indicating an attempt to exploit OLE activation vulnerabilities. This mechanism is commonly used to deliver secondary payloads. The file's SHA256 hash is included as a primary indicator.

Heuristics 3

  • Automatically linked OLE object high RTF_OBJAUTLINK
    RTF contains \objautlink — an automatically linked OLE object surface that can be updated or activated when Word opens the document.
  • \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_off0000008a.bin
c53152630e7b21573389df30e7ad8ee210b5794d26b27c911b885f6f0d700cba
rtf-objdata-decoded RTF \objdata at offset 0x8A 1519 bytes