Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 aaf0703d1b2a33ee…

MALICIOUS

Office (OLE) / .DOC

167.0 KB
MD5: 12b4999f1d91a4d7de2d7d7440652ab3 SHA-1: e94a3b256e8777af95a2c734d6191e97b2a12daf SHA-256: aaf0703d1b2a33ee8e29561e65294252fc7c5f743d9183f86e1b356719f6b5ee
240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1105 Ingress Tool Transfer

The critical ClamAV detection and high-severity heuristics for OLE VBA macros, including Document_Open and CreateObject calls, strongly indicate malicious intent. The presence of a VBA macro in 'macros.bas' suggests the execution of code to download and run a secondary payload. The family is identified as Emotet based on the ClamAV signature.

Heuristics 7

  • ClamAV: Doc.Downloader.EmotetRed0121-9822961-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.EmotetRed0121-9822961-0
  • 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
2e7804ab75605a75d075d6d0c921f0be6aae14339dbe4dea8f7d3ec5e974f266		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 13232 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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