Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 14a7d25bf22e81e5…

MALICIOUS

Office (OLE) / .DOC

242.0 KB Created: 2020-09-17 23:22:00 Authoring application: Microsoft Office Word
MD5: 66b1d380111f2afc3a3ae017af0df661 SHA-1: c2e466a30fe35a60be853d778478b4e3a6c4eb2e SHA-256: 14a7d25bf22e81e53ac771eddd83ca4fb90e9a1f707187469dbf1ed07187ecd5
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1204.002 Malicious File

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a strong indicator of malicious intent. The ClamAV detection name 'Doc.Downloader.EmotetRed02226-9938639-0' directly suggests its function as a downloader and links it to the Emotet family. The VBA script's use of CreateObject and obfuscated string manipulation further supports the likelihood of it downloading and executing a second-stage payload.

Heuristics 6

  • ClamAV: Doc.Downloader.EmotetRed02226-9938639-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.EmotetRed02226-9938639-0
  • 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
bbb069e7ba4108064d6782bf06897cd403c434c793526e3567eb29507661c241		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 21939 bytes

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