Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 61e4e3e7481e9f2a…

MALICIOUS

Office (OLE) / .DOCX

170.8 KB Created: 2020-09-16 14:22:00 Authoring application: Microsoft Office Word
MD5: f190747d1f0197e36502bf47f4ab7b35 SHA-1: b2c0256161933f5915f67bbd65b5560c3a8be71e SHA-256: 61e4e3e7481e9f2ac3b784204e98e7d81b4e61e329ce55376c3954c81f41de61
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample is a Microsoft Office document containing VBA macros, specifically triggering a Document_Open macro that uses CreateObject. ClamAV detection explicitly identifies it as Emotet. The VBA code, while obfuscated, indicates an attempt to execute code, likely to download and run a second-stage payload. The presence of VBA macros and the Document_Open auto-execution strongly suggest a spearphishing attachment delivery vector.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9762291-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9762291-0
  • 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
9f558458f94a18a1753cb250fa701b5a4b696c6db0138705a67ec847e6bae57b		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 21795 bytes

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