Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 5eb5558d4c71465b…

MALICIOUS

Office (OLE) / .DOCX

167.5 KB Created: 2020-10-26 10:57:00 Authoring application: Microsoft Office Word
MD5: 16815c05912453f2aff08369b2a9bc50 SHA-1: d483793bdc88a6d63524a3207a4d1405b36bdc3b SHA-256: 5eb5558d4c71465be427ddf9b051aa164d5ae1dd3b28ca9ff2d0e40ddc2d01d7
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample is a malicious Office document containing VBA macros, specifically a Document_open macro designed to execute obfuscated code. ClamAV detection identifies it as Doc.Downloader.Emotet-9783962-0, strongly suggesting Emotet family involvement. The macro's primary function appears to be downloading and executing a secondary payload, a common Emotet tactic.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9783962-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9783962-0
  • 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
73da4e56546636c0246d24a128ee097e3f12e124f4b51048532455144fb1d70c
vba-macro oletools.olevba.extract_macros (decoded VBA source) 15915 bytes