Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 98a13c077909271a…

MALICIOUS

Office (OLE) / .DOCX

153.0 KB Created: 2020-10-16 13:32:00 Authoring application: Microsoft Office Word
MD5: 0944a97c63b9a3450963fca8515b08ac SHA-1: 7adf217d00317a0b66291bfbbad58f43e9fd6dac SHA-256: 98a13c077909271adfb8ce087beb97c27f400ebbab6fb70c34ad4a81a96d8fc1
240 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file contains VBA macros, specifically a Document_Open macro that uses CreateObject, indicating an auto-execution attempt. ClamAV detection confirms this as Emotet malware. The presence of VBA macros and the auto-execution heuristic strongly suggest the document is designed to download and execute a second-stage payload.

Heuristics 7

  • ClamAV: Doc.Malware.Emotet-9778560-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9778560-0
  • 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
80b8cf2680dee027d2b0bedfb311ad72d589d776013195663ff998d7cc50edcd		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15454 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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