Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 087b9ff622ebe925…

MALICIOUS

Office (OLE) / .DOC

131.2 KB Created: 2020-09-30 05:26:00 Authoring application: Microsoft Office Word
MD5: 636b6c611cd52e1c42fa900316ca7e3a SHA-1: 5bcbe2919fbf6f23da1babb9b84a29ee45a11691 SHA-256: 087b9ff622ebe92583a05a548a41b6384ca243ee1e54af69e35281cc16c6ee83
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The file contains VBA macros, including a Document_Open auto-execution macro, which is a common technique for Emotet. The macro utilizes CreateObject to likely download and execute a second-stage payload. ClamAV detection further confirms the Emotet family and its downloader functionality.

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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