Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 665e45861c718dbc…

MALICIOUS

Office (OLE) / .DOC

188.3 KB Created: 2020-09-16 18:57:00 Authoring application: Microsoft Office Word
MD5: 7d93725b7b6af97b02aed90e02b278e1 SHA-1: d5cd9ab364291b0767ccfcd58405e56a43802f2e SHA-256: 665e45861c718dbcda0e3f7473479a62187f5248b4d99ec7d63ff91dd4eed98e
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample is a malicious OLE document containing VBA macros, specifically a Document_Open macro that executes obfuscated Visual Basic code. This behavior is characteristic of Emotet, which often uses macros to download and execute further stages. The ClamAV detection also explicitly names Emotet.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9762284-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9762284-0
  • 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
c8eacd47a01532c076db7a43a0d927f95cb78ca92fb9fc841101993b58287d9b		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 19132 bytes

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