Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 746f16f52a3a0897…

MALICIOUS

Office (OLE)

297.0 KB Created: 2008-12-12 08:38:00 Authoring application: Microsoft Word 10.0
MD5: 0c7c27f6d74fc32c95a31c2510bab641 SHA-1: 9b654caa85f4f8ba89c5c3ed9eb6f998d407d239 SHA-256: 746f16f52a3a0897197d4d3375b7263453807916982f2860e9c0ef16cc3a41fe
162 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The sample contains high-severity heuristics indicating the presence of VBA macros, specifically a Document_Open macro that uses CreateObject to execute code. This macro likely attempts to download and execute a second-stage payload from one of the embedded URLs. The document body content appears to be a change control request, which is likely a lure to disguise the malicious nature of the document.

Heuristics 6

  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open 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.
  • Excel 4.0 (XLM) macro sheet present medium OLE_XLM_AUTOOPEN
    Workbook contains an Excel 4.0 macro sheet sub-stream — XLM is rarely seen in modern legitimate workbooks and was a major Office malware vector during 2020-2022.
  • VBA macros detected medium OLE_VBA_MACROS
    Document contains VBA macro code
  • 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://www.5iantlavalamp.com/h
    • http://www.5iamas-microsoft-com:office:smarttags
    • http://knowledgebase/methods/ddm/index.asp�
    • http://deticaportal/sites/siglanding/ddm_sig/Products/Review
    • http://knowledgebase/methods/ddm/index.asp

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
18caea9059a637569fbaa7bd6cf94ca7451482f8fe314e1a2f2a74649cca4fb1		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 81166 bytes

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