Emotet — Office (OLE) malware analysis

Static analysis result for SHA-256 c584c1bd086b6f80…

MALICIOUS

Office (OLE)

147.2 KB Created: 2020-10-15 16:33:00 Authoring application: Microsoft Office Word
MD5: 17bb1aa7791b45c6910c81842c1508f1 SHA-1: f6e8a03ce268b21622542ba6e7566555ee304b06 SHA-256: c584c1bd086b6f8007e1a594498dd51149f97a492dd8113493a6dd21f9134ad6
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 to execute code. ClamAV identifies this as Doc.Downloader.Emotet-9778182-0. The presence of a Document_Open macro and the Emotet detection strongly suggest this is a downloader for a second-stage payload. The document body content is obfuscated and unreadable.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-9778182-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9778182-0
  • 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
73784b5943cf314d0c94351f697d020542e983828c792237442b7715b42f981c		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 12871 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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