Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 7b965f905779d5a9…

MALICIOUS

Office (OLE) / .DOCX

154.1 KB Created: 2020-10-19 12:20:00 Authoring application: Microsoft Office Word
MD5: c0177d4e2013fa642c9a48ca9d6302d9 SHA-1: 6b9b99c1d28828113d54f9c6c65fa03866ef9027 SHA-256: 7b965f905779d5a9c63dfa9a9baa9f55e48901bbc7924510b0e8e2c4b21b257a
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 utilizes CreateObject. This is a common pattern for Emotet, which often uses such macros to download and execute further malicious payloads. The ClamAV detection explicitly identifies it as Doc.Downloader.Emotet.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9780400-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9780400-0
  • 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
1b934c7a6a945d183f556fc460816db0116e14a6233b4c84dca18770500f607e		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15515 bytes

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