Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 187f517f74f93112…

MALICIOUS

Office (OLE) / .DOCX

181.6 KB Created: 2020-10-30 14:06:00 Authoring application: Microsoft Office Word
MD5: 141d5e5b6e149fa877f5ec59c45890fc SHA-1: 952d2d3c980871c8053d6ab4db182188f078c1d6 SHA-256: 187f517f74f931122f3e90e4c675edca1df65b2f4e40cc86fdb514d4a1adeb8f
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 strong indicator of malicious intent. The ClamAV detection explicitly names Emotet, and the presence of CreateObject calls within the VBA code suggests the execution of arbitrary code, likely to download and execute a secondary payload. The document body's obfuscated nature further supports a malicious purpose.

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
953bcc7800f8e12231199058de4be56a41e5df3186000111c4b5440de64866f2		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17395 bytes

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