Malicious Office (OLE) / .DOC — malware analysis report

Heuristics 10

• CVE-2007-3899 — Microsoft Word malformed string memory corruption critical CVE likely CVE_2007_3899
  Word OLE document has the MS07-060 malformed-string exploit shape: a Word 97-family FIB points to a malformed DOP/string-table region with an abnormal INT_MAX run, inflated text counters, and exploit payload or Mdropper.Z campaign evidence.
• Reference to CreateProcess API high SC_STR_CREATEPROCESS
  Reference to CreateProcess API
• Reference to ShellExecute API high SC_STR_SHELLEXEC
  Reference to ShellExecute API
• Reference to Windows Script Host high SC_STR_WSCRIPT
  Reference to Windows Script Host
• Auto_Close macro high OLE_VBA_AUTOCLOSE
  Auto_Close macro
• CreateObject call high OLE_VBA_CREATEOBJ
  CreateObject call
• VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXEC
  Compiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
• VBA macros detected medium OLE_VBA_MACROS
  Document contains VBA macro code
• Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE
  One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://schemas.openxmlformats.org/drawingml/2006/main

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