Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 ce47bb4bf2ebd0fc…

MALICIOUS

Office (OLE) / .DOCX

184.5 KB Created: 2020-10-21 05:24:00 Authoring application: Microsoft Office Word
MD5: 14ad3348770e421a035affb5eedf05a6 SHA-1: 669c1fe3eb29852e9007be79f30af355a4c13c8f SHA-256: ce47bb4bf2ebd0fc00569443a3bd23f8ddd8e3cfbd5d46711d4db0c29a615312
240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1105 Ingress Tool Transfer

The file is identified as malicious by ClamAV with the signature 'Doc.Dropper.EmotetiBlueUpdate1020-9780531-0', strongly suggesting the Emotet family. The presence of a Document_Open VBA macro that uses CreateObject and p-code execution indicates it's designed to automatically run upon opening. This macro likely functions as a dropper, downloading and executing a second-stage payload, which is a common Emotet behavior.

Heuristics 7

  • ClamAV: Doc.Dropper.EmotetiBlueUpdate1020-9780531-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Dropper.EmotetiBlueUpdate1020-9780531-0
  • 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
c2d782ff362afeab0ff3ffdb3997adeebbc3bedc56fb1ea2722e18a99469723b		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 20637 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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