Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 728b1a60c5af8cf3…

MALICIOUS

Office (OLE) / .DOC

132.3 KB Created: 2020-09-30 05:26:00 Authoring application: Microsoft Office Word
MD5: 08b23ae20d47056472457398c4efe38c SHA-1: 7ae568ffe32b24f3913344fe4b648606b210015b SHA-256: 728b1a60c5af8cf394d48d6bc7a6a273117da463ab6316c2b43a2fe72b26709c
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 a VBA macro that executes upon opening, as indicated by the Document_Open macro and CreateObject heuristic firings. The ClamAV detection explicitly names this as Emotet, a known downloader family. The VBA script likely uses CreateObject to download and execute a secondary payload, a common Emotet behavior.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9769541-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9769541-0
  • 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
b2b495189d2eb2b89dce9719098105d933c1125fa9413aec5a7ff49e851b8844		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10579 bytes

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