Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 8e879a24ea54ae35…

MALICIOUS

Office (OLE) / .DOC

181.8 KB Created: 2019-12-20 17:07:00 Authoring application: Microsoft Office Word
MD5: 32e35ffc0040a8b75aa8ae2a9a92d05e SHA-1: 5e7c585692724d96f2c8fc51dfcbf4efb7219db2 SHA-256: 8e879a24ea54ae356d64b6d73ce3c1fad7fbd2234ecfdfd250d2eab623be97b9
200 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1204.002 Malicious File

The file is a Microsoft Word document containing VBA macros, specifically a Document_Open macro that is automatically executed upon opening. The presence of a GetObject call and VBA p-code auto-execution with execution tokens strongly suggests the macro is designed to download and execute a secondary payload. ClamAV detection as 'Doc.Downloader.Emotet-7473497-0' further supports this, indicating a downloader variant of the Emotet family.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-7473497-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-7473497-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • GetObject call high OLE_VBA_GETOBJ
    GetObject 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
4eb0a6204ead2a81b7a349e14398ad82fab5fd22cadc6ae7c7620b352b43e3e0		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 7618 bytes

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