Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0fad7aa076137ca0…

MALICIOUS

Office (OLE) / .DOCX

189.1 KB Created: 2020-09-18 14:02:00 Authoring application: Microsoft Office Word
MD5: 8e9a91d6f47043fdf6d75065673332a9 SHA-1: 4c4613d6021348e87f628775493587a514684590 SHA-256: 0fad7aa076137ca0eea07801301e4a9799bfe63d5f5ac04aa449db6fa4201512
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample is identified as malicious by ClamAV with the signature 'Doc.Downloader.Emotet-9763588-0', strongly indicating the Emotet family. Critical heuristics confirm the presence of VBA macros, specifically a 'Document_Open' macro that uses 'CreateObject', a common technique for executing malicious code. The VBA script, though obfuscated, likely attempts to download and execute a second-stage payload, consistent with Emotet's behavior.

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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