Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 1452dbe0d9089695…

MALICIOUS

Office (OLE) / .DOC

133.7 KB Created: 2020-10-14 18:13:00 Authoring application: Microsoft Office Word
MD5: e7563b957fa1caed2c00b36c78aa9b8d SHA-1: 3809a09d57dd35f3c3c02c23ff1c8427ff0d5ae8 SHA-256: 1452dbe0d90896950b05327fe94772182e7b92d30b0c21215e95182aaa4d5e75
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 macro that uses CreateObject to execute code. ClamAV detection explicitly identifies it as 'Doc.Downloader.Emotet-9778099-0', strongly suggesting the Emotet family. The VBA macro's primary function appears to be downloading and executing a second-stage payload, a common Emotet behavior.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9778099-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9778099-0
  • 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
9cd2d3ba8695f6e0f808949bc048a972d682fc01cbdb8fdeecb22374d5d7cc37		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 9421 bytes

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