Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0d76776775bf2a2c…

MALICIOUS

Office (OLE) / .DOCX

132.4 KB Created: 2020-09-30 05:26:00 Authoring application: Microsoft Office Word
MD5: 5a35d3336f8b7fa0b241f3a24781a17d SHA-1: 37cbaa88c3b490c9dbbf6d76db306dca283191fd SHA-256: 0d76776775bf2a2cabdb6e870b77c93df8a87261dff0fe4186297a4a70d37b0a
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains VBA macros, specifically a Document_Open auto-execution macro, which is a strong indicator of malicious intent. The ClamAV detection explicitly names this as 'Doc.Downloader.Emotet-9769541-0', and the presence of CreateObject calls within the VBA code suggests it's designed to download and execute additional malicious content. The obfuscated nature of the VBA script further supports this assessment.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9769541-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9769541-0
  • 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
b2b495189d2eb2b89dce9719098105d933c1125fa9413aec5a7ff49e851b8844		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10579 bytes

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