Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 696ab2e281fbbcec…

MALICIOUS

Office (OLE) / .DOC

143.4 KB Created: 2020-09-25 19:15:00 Authoring application: Microsoft Office Word
MD5: ac431044c3caeabcfd0d8e5b224e76da SHA-1: 1bd465d80c174bc82f67bc55b0e8ee5da12a40d1 SHA-256: 696ab2e281fbbcece8878727c07a372b167f1a11d6ab4324b1a781d1c228d9d3
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains VBA macros, specifically a Document_Open macro that utilizes CreateObject to execute code. ClamAV identifies this as Doc.Downloader.Emotet-9768415-1, indicating a downloader functionality. The VBA script appears to be obfuscated but the presence of the Document_Open macro and CreateObject call strongly suggests it's designed to download and execute a secondary payload, a common Emotet behavior.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9768415-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9768415-1
  • 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
f7aec5ed0700c38686fed103b8e955ba1df17f289b657d0b562d676e1e8a24d1		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16307 bytes

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