Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 5c118adcf6a54455…

MALICIOUS

Office (OLE) / .DOCX

181.7 KB Created: 2020-10-30 14:06:00 Authoring application: Microsoft Office Word
MD5: 3cbb277eef794539d62453bae305c472 SHA-1: 1bdeb0f725be15475e1cd225f2de450cc1ec9bd4 SHA-256: 5c118adcf6a54455254fe724be510fdd3f2fbde2bc537a2f8cfe3e3c3b61b4ec
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. This is a common technique for Emotet to download and execute a secondary payload. The ClamAV detection also strongly suggests Emotet. The obfuscated nature of the VBA code and the lack of clear URLs or executable strings prevent further detailed IOC extraction.

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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