Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0f25a1effbf4b556…

MALICIOUS

Office (OLE) / .DOCX

159.2 KB Created: 2020-09-15 21:35:00 Authoring application: Microsoft Office Word
MD5: 602d19b9e734dc81e9052f6af66dc04b SHA-1: b7b60f162ecaae6a06425ba4b1a5f0a9bc874e73 SHA-256: 0f25a1effbf4b556ba05ceef17134f0dd3992d5883a2527afb433756dfc1eeb5
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains VBA macros, specifically a Document_Open macro, which is a common technique for Emotet. The macro is designed to execute code that likely downloads and runs a secondary payload. The ClamAV detection also explicitly names Emotet. The embedded URL is benign and likely a schema reference.

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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