Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 45faa8a93a80ca5b…

MALICIOUS

Office (OLE) / .DOCX

171.9 KB Created: 2020-09-30 10:55:00 Authoring application: Microsoft Office Word
MD5: 080ade8db7a354656b6c04dd5153d8b2 SHA-1: 88242e9d3a6ffc5254f9080ba205b3fb123d7345 SHA-256: 45faa8a93a80ca5b456bb20574a499c2e4f9e838126903fd4af560ecb2c8ec05
240 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file contains VBA macros, specifically a Document_Open macro that uses CreateObject, indicating an attempt to execute code upon opening. The ClamAV detection explicitly names this as an Emotet downloader variant. The obfuscated document body text does not provide direct clues to the lure, but the presence of the Document_Open macro and the critical ClamAV detection strongly suggest a malicious downloader. No scripts were extracted, but the heuristics point to VBA macro execution for payload delivery.

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
e574dc9e5be70b9e64389cc5809b4b9a70fc86bbb2ebeadb9aa3663111f6add5		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10540 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 28 Chr/ChrW string-construction calls. Carved macro source contains an auto-exec entry point and execution/download terms.

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