Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 5620011cd8bf0acd…

MALICIOUS

Office (OLE) / .DOCX

131.8 KB Created: 2020-09-29 22:12:00 Authoring application: Microsoft Office Word
MD5: 2a9422fdc7276b39b1fa171d62171357 SHA-1: 48bf1a13d90d0ec46419bb13d0aac3f0ba1c1622 SHA-256: 5620011cd8bf0acd1f3ecc32958d26a9f38c982b191406bada41f3db5a9250e5
240 Risk Score

Malware Insights

Emotet · confidence 95%

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

The critical ClamAV detection of 'Doc.Downloader.Emotet-9769437-0' strongly indicates the Emotet family. The presence of a Document_Open macro, coupled with CreateObject calls and VBA p-code auto-execution, points to a downloader mechanism. The macro likely executes VBA code to download and run a secondary payload, a common Emotet tactic. The embedded URL, though benign, is noted.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-9769437-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9769437-0
  • 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
46ea4f5c4c1cab321c0ffaa5340d45e7ba78bb5fcec47c12e0336c19b81c43df		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10333 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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