Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 adbadc76b37cb078…

MALICIOUS

RTF / .DOC

3.4 KB First seen: 2023-05-01
MD5: c399617a690eca6284911685bc11e55f SHA-1: 02a13a4cbcf042163d049770c383f298c3ceed10 SHA-256: adbadc76b37cb0785f07144b8908b277154acbc1a8ce57106db05876a0be53fc
100 Risk Score

Malware Insights

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

The RTF document contains embedded OLE objects, indicated by the RTF_OBJDATA heuristic. The RTF_OBJUPDATE and RTF_OBJAUTLINK heuristics suggest that these objects are designed to be automatically activated upon opening, likely exploiting a vulnerability to execute malicious code. No specific family is identifiable from the provided heuristics.

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_off0000008e.bin
6126730454c79e60242af6810475e9f87e1fbc14c81deffac746d9f9b505ffc3
rtf-objdata-decoded RTF \objdata at offset 0x8E 1628 bytes