Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 717d8cbfd8b6e490…

MALICIOUS

Office (OLE) / .DOCX

168.7 KB Created: 2020-10-20 06:24:00 Authoring application: Microsoft Office Word
MD5: be99af9d8b44bfa4468446bf6a1758f7 SHA-1: 1a082d086785ee812293744977953ece8fd7cc73 SHA-256: 717d8cbfd8b6e490d31d7e4650d8ab128397cd69b31470fd4d873a903337c58e
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The file contains VBA macros, specifically a Document_Open macro, which is a strong indicator of malicious intent. The ClamAV detection explicitly identifies it as 'Doc.Downloader.Emotet-9780995-0', suggesting it functions as a downloader for the Emotet banking trojan. The macro's use of CreateObject and p-code execution further supports its role in executing a secondary payload.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9780995-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9780995-0
  • 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
9c144e4934aa06f4a846d3460cf32982827c1cabf227410ae75b7d2e86969ea7		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17539 bytes

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