Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 d27766a05749a2ac…

MALICIOUS

Office (OLE) / .DOC

261.0 KB
MD5: fbb2ee56df36c680c35df6f5380d478b SHA-1: 26a38821f198b05add8ed0f7e93deef6f508746b SHA-256: d27766a05749a2ace32a892ef16b7bfe0e317951c1b92f8d9b7e67e93924949d
240 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample is identified as malicious by ClamAV with a signature indicating it is an Emotet downloader. Critical heuristics confirm the presence of VBA macros, specifically a Document_Open auto-exec macro that uses CreateObject to execute code. This indicates the macro is designed to download and execute a second-stage payload. The presence of VBA macros and the auto-execution behavior are strong indicators of Emotet's typical delivery mechanism.

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
b6798bb5311b4f2b692b304112e80c31df30b22e53307915d8ecb36c818b404c		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 18585 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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