Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 b0116ad85e9336df…

MALICIOUS

Office (OLE) / .DOCX

205.0 KB Created: 2020-12-22 12:31:00 Authoring application: Microsoft Office Word
MD5: 60c9003b3f9b2862e4785233507b56f8 SHA-1: fa4ed740ac5775c334c27d5e96c48c02c50ab8ce SHA-256: b0116ad85e9336df147a793ad30d615386ccf2df1095c8cf30ada653b5349f3e
240 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file contains VBA macros, specifically a Document_Open auto-exec macro, which is a strong indicator of malicious intent. The ClamAV detection explicitly names Emotet, a known downloader family. The macro's likely function is to execute code that downloads a second-stage payload, aligning with Emotet's typical behavior.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-10024800-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-10024800-0
  • 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
b223e36ca03f3aef1de34ece9213428b8c399a8d27f7650232938837efe41a69		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16333 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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