Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 56ee9fdebd1425ec…

MALICIOUS

Office (OLE) / .DOCX

255.8 KB Created: 2020-10-29 06:41:00 Authoring application: Microsoft Office Word
MD5: 4f09c752b0f7a473d918f085c5069fbc SHA-1: 55f96a33f6e25479f1c8850bb883787c7cd31938 SHA-256: 56ee9fdebd1425ec517e18b06141c4e6a3b4798e9540f77c378a923169e431c3
240 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file was detected as malicious by ClamAV with the signature 'Doc.Downloader.EmotetRed02224-9938637-0', indicating it is likely an Emotet downloader. High-severity heuristics confirm the presence of VBA macros, specifically a Document_Open auto-execution macro that uses CreateObject, strongly suggesting it attempts to download and execute a second-stage payload. The document body content is unreadable and appears to be obfuscated or corrupted, providing no further clues to the specific lure.

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
3a8074405c54d9e6984963caa3cafcf4e8c3b540e24ba2ba0a45964d8f0aaa49		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 18973 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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