Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 edf39be625a657db…

MALICIOUS

RTF / .DOC

87.9 KB First seen: 2022-10-14
MD5: be7f25eb2374326c8d5cf6422e36cb89 SHA-1: cf372fec616bc87b4f3c79da7179452024c0b5f4 SHA-256: edf39be625a657dbbc2e8bf25a473a15c3a1cb4848588d67bc34cda9eea2f44c
100 Risk Score

Malware Insights

MITRE ATT&CK
T1559 Component Object Model Hijacking T1559.001 Component Object Model Hijacking: DLL Side-Loading

The RTF document contains embedded OLE objects that are automatically updated and activated. This mechanism is commonly used to execute malicious code or download further payloads when the document is opened. No document body text or scripts were extracted, limiting the ability to determine the exact payload or family.

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_off000005f8.bin
701989e563a2a657f346cea80bf1ef0c3e2d4bc2ee8e83605a211c82a9c079af
rtf-objdata-decoded RTF \objdata at offset 0x5F8 4672 bytes