Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 1406e1ad0a2f3279…

MALICIOUS

Office (OLE) / .DOCX

154.8 KB Created: 2020-10-16 13:32:00 Authoring application: Microsoft Office Word
MD5: a691180ccafbb3196f9f7c293e92429b SHA-1: 02a02385030ea39038a574b08a3e40efdd4c4886 SHA-256: 1406e1ad0a2f3279707dc3bbd80c7b8ee1341d590c7e32490133958c6d2cf55c
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains VBA macros, specifically a Document_Open macro that uses CreateObject, indicating malicious intent. ClamAV detection confirms it as Emotet. The macro is heavily obfuscated, but its execution of CreateObject and the presence of a Document_Open auto-execution routine strongly suggest it's designed to download and execute a second-stage payload.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9778560-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9778560-0
  • 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
80b8cf2680dee027d2b0bedfb311ad72d589d776013195663ff998d7cc50edcd		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15454 bytes

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