Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 716592916c6f39ed…

MALICIOUS

Office (OLE) / .DOCX

192.6 KB Created: 2020-12-21 21:21:00 Authoring application: Microsoft Office Word
MD5: 71f4126b32615b7ed510705e12793da9 SHA-1: a835b2434cb9bcee622cb3abfc2a8abf16867297 SHA-256: 716592916c6f39ede3e673f03bfadfc09349bf29a45ad31bdd83faa58b0efc0a
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 common technique for Emotet. The heuristic firings and ClamAV detection strongly indicate Emotet. The macro likely uses CreateObject to download and execute a second-stage payload, a typical Emotet behavior.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-10024800-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-10024800-0
  • 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
8aae0e70694468f75c3b71f11fefc9e062894c6e53b1f2a4dd3530766c509e7d		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10278 bytes

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