Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 5ccc15cf10b951c9…

MALICIOUS

Office (OLE) / .DOCX

154.6 KB Created: 2020-10-16 10:17:00 Authoring application: Microsoft Office Word
MD5: 5e4f6fa3f0b9b482eb8df11f6480c2d2 SHA-1: 4a7095a6b0d3a6534278519af93d3968648d47f4 SHA-256: 5ccc15cf10b951c91aa5716db530e3d65ea0fffd667e579fb736172fd989ba4c
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The sample was detected as malicious by ClamAV with the signature Doc.Downloader.Emotet-9778520-0, indicating it is likely part of the Emotet family. High-severity heuristics indicate the presence of VBA macros, specifically a Document_Open auto-execution macro that uses CreateObject to likely download and execute a second-stage payload. The obfuscated VBA script confirms the presence of macro code.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9778520-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9778520-0
  • 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
d61826c134f7c008e59a413c892ffd79c11195763d747a6092f6a3ad25ed6af3		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15346 bytes

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