Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 c95ae1b44f6a89ba…

MALICIOUS

Office (OLE) / .DOCX

238.4 KB Created: 2020-09-04 19:50:00 Authoring application: Microsoft Office Word
MD5: 3f1cc208641604ebab9ca0dc6e2ec1fe SHA-1: ae372be1a824e8edecfd92abc536cc05eeec3425 SHA-256: c95ae1b44f6a89baa4752d6eb04b959c3da3dc0c7a747701ca39b53c92d89249
240 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file is identified as malicious by ClamAV with the signature 'Doc.Downloader.EmotetRed02226-9938639-0', strongly suggesting an Emotet variant. High-severity heuristics indicate the presence of VBA macros, specifically a 'Document_Open' macro that uses 'CreateObject' to execute code. This macro likely downloads and executes a second-stage payload, a common Emotet behavior. The embedded URL, though benign, is part of the document's structure.

Heuristics 7

  • ClamAV: Doc.Downloader.EmotetRed02226-9938639-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.EmotetRed02226-9938639-0
  • 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
c1d66a9f5277c87c1fb8a50d1e2eaae9183beba3be4ed2c96c8dbd3410b75141		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 14344 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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