Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0fdb302c3db79d7e…

MALICIOUS

Office (OLE) / .DOCX

224.0 KB Created: 2020-10-28 06:28:00 Authoring application: Microsoft Office Word
MD5: d8ebb194b4c73ad93533578d12355705 SHA-1: 9cab1bbb0cc6ee8644785d39b52f28fc0d474eaa SHA-256: 0fdb302c3db79d7ed89244d7adf4c56d5cc9e4643c3e5bac39c3e82cff3834e7
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1140 Deobfuscate/Decode Files or Information

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a common technique for Emotet. The macro uses CreateObject and obfuscated code to likely download and execute a secondary payload. ClamAV also detected this as Emotet.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9784450-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9784450-1
  • 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
7f3b9de1e0285548916c28f6601d8d02c3123bdd009e8218f5871d9b0b89faf5		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16327 bytes

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