Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 72b8ca5963154560…

MALICIOUS

Office (OLE) / .DOCX

182.7 KB Created: 2020-10-30 14:06:00 Authoring application: Microsoft Office Word
MD5: 3927e227c0a3b4786bcc721f26316610 SHA-1: 4b7e6a71f43f53980489d370a83da38c36e7ac73 SHA-256: 72b8ca59631545604f86cff32cf78f2fcfbd194eb0be91b92f10458b4f2cbd52
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The sample contains VBA macros, specifically a Document_Open macro that utilizes CreateObject, indicating malicious intent. The ClamAV detection explicitly names this as Emotet. The obfuscated VBA code likely attempts to download and execute a second-stage payload, a common Emotet tactic.

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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