Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 47602cc207ff8ec0…

MALICIOUS

Office (OLE) / .DOCX

191.4 KB Created: 2020-10-01 23:03:00 Authoring application: Microsoft Office Word
MD5: 4ccb394a6f7f3eb415ab73db1de7c316 SHA-1: 3d5f305ee92142487b3563396da0e67c001b8f38 SHA-256: 47602cc207ff8ec0ce8f62b641bf6a6ed64a50e9b03e27a0ad26450c393ebba7
240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

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 presence of obfuscated VBA code and the detection name 'Doc.Downloader.Emotet' point towards Emotet family activity. The primary function appears to be downloading and executing a second-stage payload.

Heuristics 7

  • ClamAV: Doc.Downloader.EmotetRed02224-9938637-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.EmotetRed02224-9938637-0
  • 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
6e0386e028be270039c4fe002fdf7015e999e4b27f1ccfca8c4209474f6ee6f3		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10412 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 53 Chr/ChrW string-construction calls. Carved macro source contains an auto-exec entry point and execution/download terms.

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