Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0977361f7c095d1e…

MALICIOUS

Office (OLE) / .DOCX

137.5 KB Created: 2020-09-28 21:18:00 Authoring application: Microsoft Office Word
MD5: bba801b339f6b8ced8b8f258649a879f SHA-1: 3ac2069998b7745d8846fdfd2dab79382c21e850 SHA-256: 0977361f7c095d1ed3ec877462f43d707d8c161659e45d60da17ee0525f34f53
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 macro that utilizes CreateObject, indicating malicious intent. ClamAV detection confirms this as Emotet malware. The VBA script is heavily obfuscated but its structure and the presence of a Document_Open auto-execution routine strongly suggest it's designed to download and execute a secondary payload, a common Emotet tactic. The embedded URL was confirmed benign and is likely a schema reference.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9769000-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9769000-0
  • 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
af1832d1f4c91fc85d2c99e2822b1b7480a5e715a732a96dc374f162b3694b82		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 6632 bytes

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