Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0546ddd38f01e99f…

MALICIOUS

Office (OLE) / .DOCX

201.9 KB Created: 2020-12-22 06:39:00 Authoring application: Microsoft Office Word
MD5: 9fc310ffd0260ace5bc393b3da5f4de2 SHA-1: 0aa72219d40e56782cbeae5c9a411ff0ad0e1719 SHA-256: 0546ddd38f01e99f4aa8af1465d680d61e8a514a68d7ccc373670affe49337fd
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 contains VBA macros, specifically a Document_Open macro that uses CreateObject, indicating an attempt to execute code automatically. ClamAV detection explicitly identifies it as 'Doc.Downloader.Emotet-10024800-0', strongly suggesting Emotet family and a downloader function. The macro's purpose is to download and execute a second-stage payload, a common tactic for Emotet.

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
87b72d633bd79d3d21c1246dbcc11e62ebdefc06e96dee650ec7c8e181386692		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16335 bytes

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