Emotet — Office (OLE) malware analysis

Static analysis result for SHA-256 14e928a8d3ef4c70…

MALICIOUS

Office (OLE)

139.4 KB Created: 2020-10-15 20:30:00 Authoring application: Microsoft Office Word
MD5: 08e1ac4fb726a671024dbaa45608e38f SHA-1: 00144e5dfa4d027abb432c41588450eafb3ee918 SHA-256: 14e928a8d3ef4c7013858f49c98cefa84fa4adcabfe98fa4b439c0675e176618
202 Risk Score

Malware Insights

Emotet · confidence 90%

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

The sample is identified as malicious by ClamAV with the signature 'Doc.Downloader.Emotet-9778438-0', indicating it's a downloader for the Emotet family. The presence of a Document_Open VBA macro that uses CreateObject strongly suggests it's designed to download and execute a secondary payload. The obfuscated VBA script contains multiple CreateObject calls, further supporting this behavior.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9778438-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9778438-0
  • 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
2effaaf970b5f9de3ee06c41a03bfb4f772066e9848150d426295dbb68f79b6c		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 12763 bytes

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