Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 e814569fb5be9f59…

MALICIOUS

Office (OLE) / .DOCX

196.2 KB Created: 2020-09-21 22:06:00 Authoring application: Microsoft Office Word
MD5: 4f0951c918290fdf04bf55e5c07b316d SHA-1: 543e5077d58fc6809fb87faa4d6a2675eba4fc12 SHA-256: e814569fb5be9f59f403da76ba7fa54d69f871a3fd93337a489fe6238df01276
280 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file was detected as malicious by ClamAV with the signature Doc.Malware.Emotet-9765425-0, indicating a high likelihood of the Emotet family. Static analysis revealed VBA macros, including a Document_Open auto-execution macro that uses CreateObject and GetObject calls. These heuristics, combined with the ClamAV detection, strongly suggest the document is a malicious macro-enabled file intended to download and execute a secondary payload, a common Emotet delivery technique.

Heuristics 8

  • ClamAV: Doc.Malware.Emotet-9765425-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9765425-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • GetObject call high OLE_VBA_GETOBJ
    GetObject 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.
  • Suspicious extracted artifact high EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • 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
3f69d910c7ab65b68002c6115856f94d0a2fe7883066824f7d890ec0735d30db		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 19084 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved macro source contains an auto-exec entry point and execution/download terms.

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