Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6e145b0ec79217f5…

MALICIOUS

Office (OLE) / .DOCX

142.3 KB Created: 2020-09-25 16:17:00 Authoring application: Microsoft Office Word
MD5: 334af467d975ceaecb52ffa52c9fb07b SHA-1: 2c5f46a791bf59589701a99446d216b78b839797 SHA-256: 6e145b0ec79217f509a22a048840ebcb47935037a2a31216df80fb54334f12ea
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 characteristic of Emotet. The ClamAV detection explicitly names Emotet. The VBA code appears to be obfuscated but the presence of CreateObject and macro execution strongly suggests it's designed to download and run a secondary payload.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9768415-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9768415-1
  • 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
24dc32bb0bf265d759acaab1be69526609f3f4e182439affcdf3ab2add969ffb		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17320 bytes

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