Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 72f45b367198360b…

MALICIOUS

Office (OLE) / .DOC

168.4 KB Created: 2020-10-20 05:21:00 Authoring application: Microsoft Office Word
MD5: 42b84960cd41b67195d56e56d0f89bbe SHA-1: 5fa98f24d6b1e2e2ba6fc69f1a6e8db1e7f0c03c SHA-256: 72f45b367198360b01de63433ce0d0cf962dcaad9942827ed5b30724197e51bb
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample is a malicious Microsoft Word document containing VBA macros. The critical ClamAV detection explicitly identifies it as 'Doc.Downloader.Emotet-9780828-0'. The presence of a Document_Open macro and CreateObject calls, combined with the heuristic 'VBA p-code auto-exec with execution tokens', strongly indicates that the macro is designed to execute obfuscated code. This code likely downloads and executes a second-stage payload, a common Emotet behavior. The embedded URL, though benign, is noted.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9780828-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9780828-0
  • 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
4588401bd42bd39b75b9dcc9e4ef6377522769140839001e1d2af1038d6019be		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17619 bytes

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