Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 d4d23104fac7d80e…

MALICIOUS

Office (OLE) / .DOC

132.5 KB Created: 2020-10-14 12:24:00 Authoring application: Microsoft Office Word
MD5: 7058730ea9561da61a225cc6c5c7dbc1 SHA-1: f563ff601160e24815d205f2e6f0a709377c05ac SHA-256: d4d23104fac7d80edbe436043530e142aa7677553cf575c4ce6a1124e657a7b9
240 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file contains VBA macros, specifically a Document_Open auto-execution macro, which is a strong indicator of malicious intent. The ClamAV detection explicitly names this as 'Doc.Downloader.Emotet-9778008-0', suggesting it functions as a downloader for further malicious content. The presence of CreateObject calls further supports the execution of arbitrary code. The document body content is heavily obfuscated and unreadable, but the heuristics and ClamAV signature point towards Emotet family activity.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-9778008-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9778008-0
  • 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.
  • Suspicious extracted artifact high EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • 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
953ab9f74a67eb902f36612e6c7d4e218213a6bfdbec478750c77254af9c241d		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 9329 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved macro source contains an auto-exec entry point and execution/download terms.

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