Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6fd207179f176e11…

MALICIOUS

Office (OLE) / .DOCX

132.6 KB Created: 2020-09-29 04:17:00 Authoring application: Microsoft Office Word
MD5: 7868494b2d4832ed78a39791300a354b SHA-1: 1ce7f4fe8b97e7144b96f6d3dd981ba97e023a53 SHA-256: 6fd207179f176e11c17024e62c6007fe91dc6dd1fb8643b66e2d39b36fdbec66
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample is a Microsoft Word document with VBA macros, specifically a Document_Open macro that uses CreateObject to execute code. ClamAV identifies this as Emotet. The VBA code appears to be obfuscated but the Document_Open macro is a common Emotet technique for downloading and executing a secondary payload. The embedded URL is benign and likely a schema reference.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9769095-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9769095-0
  • 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
d04833e53843bfcf6544d888c124f488e78f247212586680bbec5bbafe93c514		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 6702 bytes

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