Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 03c242449bdafecc…

MALICIOUS

Office (OLE) / .DOCX

216.5 KB Created: 2020-10-27 05:52:00 Authoring application: Microsoft Office Word
MD5: cfcc44670623f83e28be6804487692d2 SHA-1: df871f016bc49f19f9a0523560fe7df02d1aefe3 SHA-256: 03c242449bdafecccd13c4a77493c1baeb80117b2360cd7796e96f93b37fae6a
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1140 Deobfuscate/Decode Files or Information

The presence of a Document_Open VBA macro, CreateObject calls, and p-code execution strongly indicates malicious intent. ClamAV detection as 'Doc.Downloader.Emotet-9784225-0' further supports this. The VBA script likely attempts to deobfuscate and download a second-stage payload, a common Emotet tactic.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9784225-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9784225-0
  • 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
876efd50e919d9082c47104a676f266739e3ebd392e529f593b7ea04deb8a95e		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16361 bytes

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