Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 5ca2faec670c85db…

MALICIOUS

Office (OLE) / .DOCX

242.3 KB Created: 2020-09-17 06:16:00 Authoring application: Microsoft Office Word
MD5: 46c246adf8a678dce4991a5d4c473600 SHA-1: ef9b3651fb606f4de915280f9287a40220988d21 SHA-256: 5ca2faec670c85dbaf71d46de792eec5b7475ecb4a01861ab2e1606dc9d2ffeb
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1204.002 Malicious File

The file contains VBA macros, including a Document_Open auto-execution macro, and uses CreateObject, indicating malicious intent. ClamAV detection confirms this as 'Doc.Downloader.EmotetRed02226-9938639-0', a known Emotet variant. The VBA script is heavily obfuscated but the presence of these indicators strongly suggests it is designed to download and execute a secondary payload.

Heuristics 6

  • ClamAV: Doc.Downloader.EmotetRed02226-9938639-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.EmotetRed02226-9938639-0
  • 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
8acac38431121e2787bcaf089ea6ff777ea901603bfdc5971f7059437b41c745		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 20564 bytes

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