Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 131c12376698272b…

MALICIOUS

Office (OLE) / .DOCX

192.5 KB Created: 2020-12-21 21:21:00 Authoring application: Microsoft Office Word
MD5: 12c3b244d242c4534c8151b8ba445422 SHA-1: 7038b2fb9bf9e5451255bf08ac1d63646a6709a1 SHA-256: 131c12376698272b58eac7309a57016198b292bdf5b742e66c1ed352ff788736
210 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1140 Deobfuscate/Decode Files or Information

The sample contains VBA macros, specifically a Document_Open auto-execution macro, which is a strong indicator of malicious intent. The ClamAV heuristic identifies it as Emotet, a known downloader family. The VBA code likely attempts to deobfuscate and execute a payload, aligning with Emotet's typical behavior of downloading further malicious content.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-10024800-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-10024800-0
  • 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
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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
8aae0e70694468f75c3b71f11fefc9e062894c6e53b1f2a4dd3530766c509e7d		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10278 bytes

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