Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0d80b679c7accc18…

MALICIOUS

Office (OLE) / .DOCX

177.3 KB Created: 2020-10-20 20:18:00 Authoring application: Microsoft Office Word
MD5: 2b4cb477bb5f75841186356f74dfc071 SHA-1: 9d5c20fbe8a89b4f8dafb37f7867bf1a00976d0e SHA-256: 0d80b679c7accc183439a7f6d72dfa61e4fb2e260706398692fdb1f2c1255343
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 file contains VBA macros, specifically a Document_Open macro that utilizes CreateObject, indicating malicious intent. The ClamAV detection explicitly names this as Emotet. The VBA script is heavily obfuscated, suggesting an attempt to deobfuscate and execute a secondary payload, which is a common Emotet tactic.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9781039-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9781039-0
  • 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
3a0ea03d0cd0ea456810f4542b81cbd362ee0487bda83ef13f410b115b67e727		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 18739 bytes

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