Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6bd7c0d24e1522b7…

MALICIOUS

Office (OLE) / .DOCX

131.5 KB Created: 2020-09-28 15:20:00 Authoring application: Microsoft Office Word
MD5: ad8fb82ac513a6785e666f23e18c7898 SHA-1: 20040390a8c84f952fcf578cc3a10b7e5388399e SHA-256: 6bd7c0d24e1522b7d61a6f6bc6e533592c0d7fab4d9c396246af0148c11bc0fe
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 is identified as malicious by ClamAV with the signature 'Doc.Malware.Emotet-9768661-0', strongly indicating the Emotet family. High-severity heuristics confirm the presence of VBA macros, specifically a 'Document_Open' macro that utilizes 'CreateObject', a common technique for Emotet to execute malicious code. The obfuscated VBA script likely attempts to deobfuscate and download a secondary payload, a hallmark of Emotet's infection chain.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9768661-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9768661-0
  • 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
2ce77a90790088f293710a707301ae69bfebe17386d7804fba58a5e382e47c64		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 6657 bytes

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