Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 1285577020490675…

MALICIOUS

Office (OLE) / .DOC

161.7 KB Created: 2020-12-30 13:45:00 Authoring application: Microsoft Office Word
MD5: 80339ee9a605d1380af123eec866f92d SHA-1: 61fee0256b55debe2257be9a731107b88e38856a SHA-256: 1285577020490675fd12c03c2f86e88b9f31fd650d94c7a3eba9152b0e6aa394
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1204.002 Malicious File

The sample contains VBA macros, including a Document_Open macro that executes code upon opening. This macro utilizes CreateObject to interact with the file system, creating files with seemingly random names and writing content to them. The ClamAV detection name 'Doc.Downloader.EmotetRed02224-9938637-0' strongly suggests an Emotet family attribution, which is known for its downloader capabilities.

Heuristics 6

  • ClamAV: Doc.Downloader.EmotetRed02224-9938637-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.EmotetRed02224-9938637-0
  • 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
33d9a9f2ec9b3a38df928e53a0fbd14ca63ce044037ad7728d36bd9b38953478		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 6691 bytes

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