Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 010d313ef5a6680a…

MALICIOUS

Office (OLE) / .DOCX

131.0 KB Created: 2020-09-29 22:12:00 Authoring application: Microsoft Office Word
MD5: aa9eeb6ae199a28e2404527a3a720fa5 SHA-1: c323c8afc5bf44221478c44d435750e7444f2cb7 SHA-256: 010d313ef5a6680acc6fcdaca0eed3e19f256a23cac861684466d6e7f7138030
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1105 Ingress Tool Transfer

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a common Emotet delivery technique. The ClamAV detection explicitly identifies it as Emotet, a downloader. The obfuscated script likely constructs and executes a command to download and run a secondary payload.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9769437-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9769437-0
  • 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
46ea4f5c4c1cab321c0ffaa5340d45e7ba78bb5fcec47c12e0336c19b81c43df		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10333 bytes

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