Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 09c3f3aad8f9bc8f…

MALICIOUS

Office (OLE) / .DOCX

198.4 KB Created: 2020-09-16 07:09:00 Authoring application: Microsoft Office Word
MD5: 96ea9072f624bb11b8d4ebc750959c09 SHA-1: bea776fbda4da843fb4dd767eda9a462f47eaf44 SHA-256: 09c3f3aad8f9bc8f65a86d581ecb23b0a6262a9e28d5c5e19750e6770aa5e40f
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample 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 well-known banking trojan and downloader. The VBA code uses CreateObject, a common technique for initiating malicious actions, and the macro's structure suggests it is designed to download and execute a second-stage payload.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9762400-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9762400-0
  • 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
7c58c4b09e28ace19eb6117ae115fc2b8ebe509e6804a2a36cc1706dcd36fda5		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 25351 bytes

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