Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 68084909757c0161…

MALICIOUS

Office (OLE) / .DOC

168.9 KB Created: 2020-12-21 08:45:00 Authoring application: Microsoft Office Word
MD5: bc3e7eb94b493e9cb4e9a4be0e0d6e1a SHA-1: 4581242e59cf36f2fac19fc0a22987db90b8e390 SHA-256: 68084909757c0161b3b4e8ee49e52d5673ec89e542a2a2f5827c48430293aef5
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1140 Deobfuscate/Decode Files or Information

The sample is a malicious Microsoft Word document containing VBA macros. The presence of a Document_Open macro and CreateObject calls, combined with the ClamAV detection of 'Doc.Downloader.Emotet-10024800-0', strongly indicates that this document is designed to download and execute a secondary payload. The VBA code itself is heavily obfuscated, making it difficult to determine the exact download URL or execution method without further dynamic analysis.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-10024800-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-10024800-0
  • 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
0fdc9223f52b7ee90ac3834adf4705b390b3503f5df6aece129089509fec490d		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10321 bytes

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