Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 9addd2e4077d5a7c…

MALICIOUS

Office (OLE) / .DOCX

161.5 KB Created: 2020-10-27 13:32:00 Authoring application: Microsoft Office Word
MD5: e28cb3c0ff2d0493ecf63edf8f7e599d SHA-1: 3a5936c320d742d07acffc9d41d4fe8cf69c932a SHA-256: 9addd2e4077d5a7c24bccc8a9108404f079a61f851615ab2e65deeeece42e424
240 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 critical ClamAV detection and high-severity heuristics for VBA macros, specifically the Document_Open auto-execution and CreateObject calls, strongly indicate malicious intent. The VBA code is designed to download and execute a second-stage payload, consistent with Emotet's typical behavior. The embedded URL, although benign according to reputation, is part of the document's structure and was likely intended for payload delivery.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-9784225-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9784225-0
  • 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
aaf531f7a5bc5489efc2142934ae4807c7a8fc52a02b1483f9210c80918c01e7		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16228 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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