Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 d2a492760422e8f4…

MALICIOUS

RTF / .DOC

9.0 KB
MD5: d77982861f8277de944645a2c6726048 SHA-1: b1f8b572ea136bb4902a3cada6ae6dc680dfb46f SHA-256: d2a492760422e8f4e2f1d925fe227b6f8738e55b9e5ebc296b2052294f39198f
60 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 heuristic suggests that these objects are configured to activate automatically upon opening the document, which is a common technique for exploiting vulnerabilities and executing arbitrary code. The document body is unreadable, but the heuristics strongly suggest a malicious OLE object is embedded.

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 2 \objdata section(s) — embedded OLE objects

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off00000529.bin
c2dd76157e0ae1cf2d91378f9e58865021780dd7cd8d344112bf33d47392d780
rtf-objdata-decoded RTF \objdata at offset 0x529 1516 bytes