Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 bd56a042ecf4e68f…

MALICIOUS

Office (OLE) / .DOCX

102.7 KB Created: 2020-09-29 17:52:00 Authoring application: Microsoft Office Word
MD5: e975ec70e46ee80552957ad4a955c9a9 SHA-1: c7a851867b4f305ad33b94cdc41f392499dd4e70 SHA-256: bd56a042ecf4e68f3f6d427ca4ee9ad03267b1e53db58ae19e8335e34f6231f1
240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The presence of a Document_Open VBA macro, coupled with CreateObject calls and p-code execution, strongly indicates a malicious document. The ClamAV detection explicitly names this as 'Doc.Downloader.Emotet-9769356-0', confirming the Emotet family and its downloader functionality. The macro likely executes code to download and run a second-stage payload.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-9769356-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9769356-0
  • 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
77f0fc2bd0d5c985be4d4cb3501afb191ffadc98be204ef2c40c091585c5d90a		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10395 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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