Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 09cb84e8d363ec5c…

MALICIOUS

Office (OLE) / .DOCX

158.6 KB Created: 2020-09-15 21:35:00 Authoring application: Microsoft Office Word
MD5: 04132b17cd14dde6668d4069a1bb9897 SHA-1: 3fc098e18eb5053154dfdd1bf1e12284a812d659 SHA-256: 09cb84e8d363ec5ca85c03388d7825595a61580b58cf26eddcef15b96be2ca92
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, and triggers high-severity heuristics related to macro execution and CreateObject calls. ClamAV detection explicitly names this as Emotet. The VBA code appears obfuscated but the presence of auto-execution macros and the Emotet family attribution strongly suggest it's designed to download and execute a second-stage payload.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9762290-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9762290-0
  • 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
48aeeefcb5ab39bdc7a9844f7217739e7dc8c9cb3f8a901965d3ff17ec851125		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 25311 bytes

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