Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 15a34016820d6fe0…

MALICIOUS

Office (OLE) / .DOCX

155.6 KB Created: 2020-10-19 08:55:00 Authoring application: Microsoft Office Word
MD5: e466998196d8d2b3fb03c5c83da7f8e5 SHA-1: 244b0287bdd7d62b33bbadecffdc5705e6368c9b SHA-256: 15a34016820d6fe00738d302233649f24777f6d66081bcd7a6eaab0ebca91bbd
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a strong indicator of malicious intent. The ClamAV detection explicitly names this file as 'Doc.Downloader.Emotet-9780414-0', confirming its association with the Emotet family. The obfuscated VBA code likely aims to download and execute a second-stage payload, a common tactic for Emotet.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9780414-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9780414-0
  • 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
e05e00e5695f255205cdf8f3c815d1b7180582c720372a44ffa69b0bf5e004ae		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15558 bytes

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