Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0a44f2d88bdf47cd…

MALICIOUS

Office (OLE) / .DOCX

175.9 KB Created: 2020-10-30 13:48:00 Authoring application: Microsoft Office Word
MD5: dec098e81c5b837f8e3a4756d293841b SHA-1: 6d04fc0c8fb6d238a392a6e1eee2c3013db76487 SHA-256: 0a44f2d88bdf47cd0c75648b07e6fd7ac80b20ebbe7f6509fab11f28872ae12a
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample is identified as malicious by ClamAV with a specific Emotet signature. High-severity heuristics indicate the presence of VBA macros, including a Document_Open auto-execution macro and the use of CreateObject, which are common for Emotet's initial payload delivery. The VBA macro itself is heavily obfuscated but appears to be designed to execute further malicious code.

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
6ef446d7bbe59b96b37194ceef7dfc21ebc83ff1edf01838a31098c50a7e733f		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17445 bytes

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