Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0c7d3ec331ef86b0…

MALICIOUS

Office (OLE) / .DOCX

191.0 KB Created: 2020-10-27 23:09:00 Authoring application: Microsoft Office Word
MD5: 0e0a3c68315cd9e79c2bdbdda77a841b SHA-1: 446a6bf887a8ffd5e12fbf9c7f43492449e9b18d SHA-256: 0c7d3ec331ef86b021bbe0e3892bf17424bd028421e6f164f683a969e38c44d9
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file is a DOCX document containing VBA macros, specifically a Document_Open macro that utilizes CreateObject for execution. ClamAV identifies this as Emotet. The obfuscated VBA script likely attempts to download and execute a secondary payload, a common Emotet behavior. The embedded URL, though benign, is noted.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9784450-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9784450-1
  • 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
32c875cc5445b529213c7b353e717e973bc3b3565cfb6b70a94210d83d471e9e		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16135 bytes

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