Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 326af7f2d7fd52d3…

MALICIOUS

Office (OLE) / .DOCX

154.6 KB Created: 2020-10-16 10:17:00 Authoring application: Microsoft Office Word
MD5: dab466f744e36f42f1d7ec6fe51c9dea SHA-1: 874438e308121b0d6908fa08fcf43313d61654e8 SHA-256: 326af7f2d7fd52d3ecfd5225a7516ea8670dd07359a95a242c34fbdb0d661a34
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 utilizes CreateObject, indicating an auto-execution attempt. ClamAV detection confirms this as a downloader, specifically Emotet. The macro is designed to download and execute a second-stage payload, which is characteristic of Emotet's infection chain. The document body content is obfuscated and does not provide direct clues to the lure.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-9778520-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9778520-0
  • 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
d61826c134f7c008e59a413c892ffd79c11195763d747a6092f6a3ad25ed6af3		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15346 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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