Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 11d5ae5dbe98037b…

MALICIOUS

Office (OLE) / .DOC

142.7 KB Created: 2020-09-25 19:15:00 Authoring application: Microsoft Office Word
MD5: 88a55983f61c1aed72b2234aaea3b46a SHA-1: 3385eb09f0d6e8bf5820447d310c6f7c27aeaf4d SHA-256: 11d5ae5dbe98037bdaf8ee5753f38a0d58255e27f35d18a618e4d20854c617c0
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample is a malicious Word document containing VBA macros, specifically a Document_Open macro that utilizes CreateObject to execute obfuscated code. ClamAV detection identifies it as 'Doc.Downloader.Emotet-9768415-1', strongly suggesting Emotet family involvement. The macro's primary function appears to be downloading and executing a secondary payload, a common tactic for Emotet.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9768415-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9768415-1
  • 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
f7aec5ed0700c38686fed103b8e955ba1df17f289b657d0b562d676e1e8a24d1		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16307 bytes

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