Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 70350a0be7f8584c…

MALICIOUS

Office (OLE) / .DOC

161.4 KB Created: 2020-09-15 23:02:00 Authoring application: Microsoft Office Word
MD5: 73e484a590a6fb49e73e9c782c66e5bc SHA-1: e56a2fe2919b9b9cd4099999a8e9e3e85b24f824 SHA-256: 70350a0be7f8584c30699b9bba6b56cf37b2b24d6feeddbe9fdedb4e27d27fda
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The sample is a malicious OLE document containing VBA macros, specifically a Document_Open macro that utilizes CreateObject to execute code. The ClamAV detection explicitly identifies it as 'Doc.Downloader.Emotet-9762287-0', strongly suggesting the Emotet family. The VBA script is heavily obfuscated but the presence of a Document_Open macro and CreateObject points to a downloader functionality, likely fetching a second-stage payload.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9762287-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9762287-0
  • 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
2463ca5944a3498304fe918280f5b6583e6e8da36e1a3b40714097a3ead5b81e		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 25024 bytes

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