Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 da29c1b916447722…

MALICIOUS

Office (OLE) / .DOCX

195.2 KB Created: 2020-09-22 04:18:00 Authoring application: Microsoft Office Word
MD5: a533d67df8ff97493845e672c1ba400b SHA-1: d6865766aa5312e9c5e786a14adc7ef7fb999a6f SHA-256: da29c1b9164477223f7972b2fba8d5fab34d0abe2cfac9e4eb18150dacc690f9
280 Risk Score

Malware Insights

Emotet · confidence 95%

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

The critical ClamAV detection and high-severity heuristics for VBA macros, specifically the Document_Open auto-execution and CreateObject/GetObject calls, strongly indicate a malicious document. The presence of VBA macros, particularly those that auto-execute, suggests the document is designed to download and execute a second-stage payload. The ClamAV signature 'Doc.Malware.Emotet-9764756-0' directly attributes this file to the Emotet family.

Heuristics 8

  • ClamAV: Doc.Malware.Emotet-9764756-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9764756-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • GetObject call high OLE_VBA_GETOBJ
    GetObject 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
3b0af88f4dd9c23a17bbdbbca50e89a637a2364695c54b84b34b6c26baade961		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 19032 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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