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

Static analysis result for SHA-256 0df4e83145becd16…

MALICIOUS

Office (OLE) / .DOCX

186.1 KB Created: 2020-10-30 04:19:00 Authoring application: Microsoft Office Word
MD5: d27ef756865f2b08a5ad35d859407072 SHA-1: 4653eeb97aabe566a422ab22f51221d10ef17282 SHA-256: 0df4e83145becd16b2074bb93563596b613e43856bbd653b98a316f5d92ab817
202 Risk Score

Malware Insights

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

The file contains VBA macros, including a Document_Open auto-execution macro, which is a strong indicator of malicious intent. The ClamAV detection and the presence of obfuscated VBA code suggest it's designed to download and execute further malicious content. The macro's obfuscated nature and the use of CreateObject point towards a downloader or droppper functionality.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9785300-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9785300-0
  • 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
f7e154fbc1687723523f4f201e3a1591c84897657fe14056a01af3060d347cbe		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17509 bytes

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