Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 5c2eb5bb1ad7637e…

MALICIOUS

Office (OLE) / .DOC

160.4 KB Created: 2020-12-21 08:06:00 Authoring application: Microsoft Office Word
MD5: 2529be6d0d4a4d7bfda6968d45dcca51 SHA-1: 41fc6f87aac038840d09086480c9175a56b86189 SHA-256: 5c2eb5bb1ad7637e95d3f9a48a34ca84fc39ead486c71dc34bae929f7f848831
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample is a malicious Office document containing VBA macros, specifically a Document_Open auto-execution macro. Heuristics indicate the use of CreateObject, a common technique for downloading and executing payloads. ClamAV detection confirms this as Emotet, a known downloader family. The VBA macro likely attempts to download and execute a second-stage payload from a remote source.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-10024800-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-10024800-0
  • 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
34bcc2b61b7b5703344123fef6abe98fe10319aacfdb5982b14c059ad6208f74		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10399 bytes

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