Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6e4f96c30a71272d…

MALICIOUS

Office (OLE) / .DOCX

175.3 KB Created: 2020-10-30 13:48:00 Authoring application: Microsoft Office Word
MD5: e4ca3259fae75379675567b6916dd28d SHA-1: a930372804e52a7197fd73fd549b402fb5e26bc9 SHA-256: 6e4f96c30a71272d69c0789a8ca8dc29ff77127524a628e331cc9207f45d524d
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample is identified as malicious by ClamAV with a specific Emotet signature. High-severity heuristics indicate the presence of VBA macros, including a Document_Open auto-execution macro and CreateObject calls, which are commonly used by Emotet to download and execute further stages. The VBA script itself contains obfuscated code and string concatenations that are characteristic of Emotet's payload delivery mechanisms.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9785300-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9785300-0
  • 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
6ef446d7bbe59b96b37194ceef7dfc21ebc83ff1edf01838a31098c50a7e733f		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17445 bytes

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