Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 70b754fdafc77f03…

MALICIOUS

Office (OLE) / .DOCX

189.3 KB Created: 2020-09-18 14:02:00 Authoring application: Microsoft Office Word
MD5: da6b3ffdd0b6c5cf80531a0e07f82ef0 SHA-1: c8953e7d383bea0bbd3fd1f277f865793f3cf4eb SHA-256: 70b754fdafc77f0358317dcd23600e0d99a6252fe4a9dc823aa2cf15f2713451
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1204.002 Malicious File

The file is identified as malicious by ClamAV with the signature 'Doc.Downloader.Emotet-9763588-0', indicating it's a downloader for the Emotet family. The presence of a Document_Open macro that uses CreateObject strongly suggests it's designed to execute code automatically when the document is opened, likely to fetch and run a secondary payload. The obfuscated VBA code further supports this malicious intent.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9763588-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9763588-0
  • 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
439e57830647c2aa4289de5e25d2759440b9e1601599acc03def2897db1f3da9		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 20114 bytes

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