Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6b4419d45974ab12…

MALICIOUS

Office (OLE) / .DOCX

197.2 KB Created: 2020-09-21 22:06:00 Authoring application: Microsoft Office Word
MD5: c03f55601ec15a73f7d945872a963755 SHA-1: 651f6e441677ed026ddb20effd312788ef0bc557 SHA-256: 6b4419d45974ab12fe3b7374e5821a249e8b7b426bb15389e6f70897ae85f630
242 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file is identified as malicious by ClamAV with a signature indicating Emotet. Static analysis reveals the presence of VBA macros, specifically a Document_Open macro that uses CreateObject and GetObject calls. These are common techniques for Emotet to download and execute further malicious content. The heuristic firings strongly suggest macro execution for payload delivery.

Heuristics 7

  • ClamAV: Doc.Malware.Emotet-9765425-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9765425-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • GetObject call high OLE_VBA_GETOBJ
    GetObject 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
3f69d910c7ab65b68002c6115856f94d0a2fe7883066824f7d890ec0735d30db		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 19084 bytes

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