Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6467ef8d045cc55c…

MALICIOUS

Office (OLE) / .DOCX

142.6 KB Created: 2020-09-25 16:17:00 Authoring application: Microsoft Office Word
MD5: a24beb27d28b13533316fe757c85b55a SHA-1: a1965eda57a1d4da3ca96a5d9d104c36cd99e9e6 SHA-256: 6467ef8d045cc55cf34d794586cda2e8cea249f02ae827ee3182e1c4633627a9
202 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 a Document_Open VBA macro, a common execution vector for Emotet. The macro utilizes CreateObject and p-code auto-execution, indicating it's designed to run obfuscated code. The ClamAV detection explicitly names this as an Emotet downloader, strongly suggesting its purpose is to fetch and execute further malicious content.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9768415-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9768415-1
  • 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
24dc32bb0bf265d759acaab1be69526609f3f4e182439affcdf3ab2add969ffb		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17320 bytes

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