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

Static analysis result for SHA-256 0d95efeb799d69a2…

MALICIOUS

Office (OLE) / .DOCX

170.0 KB Created: 2021-01-22 16:11:00 Authoring application: Microsoft Office Word
MD5: bdee661edc780c75a6b0c12913aec90b SHA-1: 65b4330297ee7109ae7470b96539870c6dd86ef2 SHA-256: 0d95efeb799d69a27255270804aa8efa5e91cd71b55943e37e88e772c961bca2
202 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample is a malicious Office document containing VBA macros, specifically triggering a Document_Open macro. This macro uses CreateObject to likely download and execute a secondary payload, as indicated by the ClamAV detection name 'Doc.Malware.Emodldr'. The VBA code is heavily obfuscated, but the presence of auto-execution and object creation points to a downloader or droppper functionality.

Heuristics 6

  • ClamAV: Doc.Malware.Emodldr-10033990-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emodldr-10033990-0
  • 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.
  • 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://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
5ed4257a756cf59fd0bdd4996a568d11e210a8cb1fd2c78a16a7c0bd2a73f2f9		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16688 bytes

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