Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 2a7cdc32ae1da5fb…

MALICIOUS

Office (OLE) / .DOCX

150.2 KB Created: 2020-09-29 07:27:00 Authoring application: Microsoft Office Word
MD5: 395e0ffa40795bc99133d9a2949576d5 SHA-1: 9f051a135764e833489b7bd58c3678e7c1ee68ab SHA-256: 2a7cdc32ae1da5fb9bd23b44e0e5e8fd2a2473d168eb04d37faf6660e39addd6
240 Risk Score

Malware Insights

Emotet · confidence 95%

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

The critical ClamAV detection and high-severity heuristics for VBA macros, including Document_Open auto-execution and CreateObject calls, strongly indicate a malicious macro downloader. The presence of the 'Emotet' family in the ClamAV signature further supports this classification. The macro is designed to execute automatically upon opening the document, likely to download and run a secondary payload.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-9769096-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9769096-0
  • 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
7fe684c304685628252d7c0111d3e33f34436ae7810b3dde5f2aa07edc7bb621		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 8166 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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