Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 174a674bc3b47512…

MALICIOUS

Office (OLE) / .DOCX

174.1 KB Created: 2020-10-30 13:48:00 Authoring application: Microsoft Office Word
MD5: 4896ddf3bdc8021c87b98746ea82ed43 SHA-1: 167973410e9a5ed360afc54846987af2a065d034 SHA-256: 174a674bc3b47512ce13e66de9f68e184d2b06a764303c2cc7ce4df6f5834ae0
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample is identified as malicious by ClamAV with a specific Emotet signature. High-severity heuristics indicate the presence of VBA macros, specifically a Document_Open auto-execution macro that uses CreateObject. This strongly suggests the macro is designed to download and execute a secondary payload, a common Emotet tactic. The obfuscated VBA code and the presence of a Document_Open macro are key indicators.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9785300-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9785300-0
  • 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
6ef446d7bbe59b96b37194ceef7dfc21ebc83ff1edf01838a31098c50a7e733f		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17445 bytes

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