Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 d8e8296e80327214…

MALICIOUS

Office (OLE) / .DOCX

128.0 KB Created: 2020-10-14 13:53:00 Authoring application: Microsoft Office Word
MD5: cdd3f252372fa2ee63d99e219e92456d SHA-1: f75b1dd955f48b8deaec9d3127ba0507f874c86a SHA-256: d8e8296e8032721412eeedd5ef9a8e7c30015865ebfa1b8661f447ff4fcc676d
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 auto-exec macro, which is a strong indicator of malicious intent. ClamAV detection confirms this, identifying it as 'Doc.Downloader.Emotet-9778040-0'. The presence of CreateObject calls and p-code execution further supports the malicious nature. The primary function appears to be downloading and executing a second-stage payload, consistent with Emotet's typical behavior.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-9778040-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9778040-0
  • 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
a085f52da3766ff03b3361ab273cac0c99aef403d2275ac551d698dcc8f8bb33		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 9635 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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