Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 7e61ca1b65ed5f86…

MALICIOUS

Office (OLE) / .DOCX

177.5 KB Created: 2020-10-20 20:18:00 Authoring application: Microsoft Office Word
MD5: 3da416e1a3c51701c4dbff0a98d65d2a SHA-1: ae1705fdffbaf064ba4f67704c642aa516aba327 SHA-256: 7e61ca1b65ed5f86ae7603431d7296593ded64f620465d59ad3a62e0f1bef5cf
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file contains VBA macros, including a Document_Open auto-execution macro, which is a strong indicator of malicious intent. The ClamAV detection explicitly names Emotet, and the presence of CreateObject calls further supports this. The VBA script is heavily obfuscated but appears designed to download and execute a second-stage payload, a common Emotet behavior.

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
3a0ea03d0cd0ea456810f4542b81cbd362ee0487bda83ef13f410b115b67e727		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 18739 bytes

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