Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 095fe16690d338ae…

MALICIOUS

Office (OLE) / .DOCX

148.0 KB Created: 2020-10-15 16:33:00 Authoring application: Microsoft Office Word
MD5: 77052cf2524920a69a0ab3aae2910feb SHA-1: 61ba51d2274ead37d205fde9867c8da8b0aa4303 SHA-256: 095fe16690d338ae33d6608dbe94adf60f398907737417666034e7a5b64eded8
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file is a Microsoft Word document containing VBA macros, specifically a Document_Open macro that utilizes CreateObject. ClamAV identifies this as Doc.Downloader.Emotet-9778182-0. The VBA script is heavily obfuscated but the presence of CreateObject and the Emotet family attribution strongly suggest it's designed to download and execute a second-stage payload.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9778182-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9778182-0
  • 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
73784b5943cf314d0c94351f697d020542e983828c792237442b7715b42f981c		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 12871 bytes

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