Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 d5fc142bfa2e0ab5…

MALICIOUS

Office (OLE) / .DOCX

159.0 KB Created: 2020-10-26 20:02:00 Authoring application: Microsoft Office Word
MD5: 7ec91010324a092b8ba5550b1443cbe5 SHA-1: 5d7a468a112080c522d090af190d59adb0bc577e SHA-256: d5fc142bfa2e0ab5cc22067cb316b2f73dbf3cceed7fe452a46028fe26c38610
240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1204.002 Malicious File

The critical ClamAV heuristic directly identifies this file as 'Doc.Downloader.Emotet-9784039-0'. The presence of VBA macros, specifically a Document_Open auto-execution macro that uses CreateObject, strongly indicates a downloader functionality. This aligns with Emotet's typical behavior of downloading and executing further stages of malware. The obfuscated document body text does not provide further context on the lure, but the technical indicators are clear.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-9784039-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9784039-0
  • 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.
  • 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
25a58c4e712d1085864e82f7ab775526ec6adf7a6a7c9b5168c373897e87509d		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15931 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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