Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0ed1adf222903a5b…

MALICIOUS

Office (OLE) / .DOCX

187.4 KB Created: 2020-09-16 18:57:00 Authoring application: Microsoft Office Word
MD5: 71798c1415bd2c656552ec32c9835538 SHA-1: 51702d9597e77b881c90467455c6479d6a8b7774 SHA-256: 0ed1adf222903a5b3335427d554d4a74c05a27cfd1a438788c04f3b3d720c002
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains VBA macros, specifically a Document_Open macro that utilizes CreateObject, indicating malicious intent. ClamAV detection confirms this as Doc.Downloader.Emotet. The VBA script appears to be obfuscated but the presence of auto-execution and object creation points to a downloader functionality, likely to fetch and execute a secondary payload. The embedded URL, though benign, is noted.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9762284-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9762284-0
  • 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
c8eacd47a01532c076db7a43a0d927f95cb78ca92fb9fc841101993b58287d9b		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 19132 bytes

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