Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0a0ac374574dd783…

MALICIOUS

Office (OLE) / .DOCX

162.6 KB Created: 2020-10-16 14:09:00 Authoring application: Microsoft Office Word
MD5: 48d9d768bf8ed5f3c89e8fe0576f861e SHA-1: 95bd987e65cb6cca5f6268170d07dc6a61fc31db SHA-256: 0a0ac374574dd78365ae4b5e84357a2387d99dd14752f6a53391324841412b19
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file contains VBA macros, including a Document_Open auto-execution macro, which is a strong indicator of malicious intent. The ClamAV detection explicitly names Emotet, a known malware family often distributed via malicious Office documents. The VBA code is heavily obfuscated but the presence of CreateObject and the auto-execution macro strongly suggest it's designed to download and execute a second-stage payload.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9778566-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9778566-0
  • 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
29095f417e940309e4c3b74017a13ff70f85d23507d6b5296a03fa98c635a78b		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15315 bytes

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