Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 14db2954827c22a1…

MALICIOUS

Office (OLE) / .DOCX

177.3 KB Created: 2020-10-20 22:39:00 Authoring application: Microsoft Office Word
MD5: 5bd99883532ea62bf8250f764a4a3f13 SHA-1: 24eaf8397ebcc0dec2f9e9ce58a1cf944dc4bf9a SHA-256: 14db2954827c22a1f16b0326dc0d7443d94cd16d6bc7da92a933e19e64a34fdb
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1140 Deobfuscate or Obfuscate

The sample was detected as malicious by ClamAV with the signature 'Doc.Malware.Emotet-9781039-0', indicating a known Emotet variant. High-severity heuristics confirm the presence of VBA macros, specifically a Document_Open auto-execution macro that uses CreateObject. The VBA script itself is heavily obfuscated, but the presence of auto-execution macros and the Emotet detection strongly suggest it's designed to download and execute a secondary payload.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9781039-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9781039-0
  • 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
130bc91dd8b5ad391a87daabf287b6e2ceed1d78136a29ff57bedf25aa736586		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 18991 bytes

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