Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 8a0963cbbaeaafae…

MALICIOUS

Office (OLE) / .DOCX

152.6 KB Created: 2020-09-23 06:50:00 Authoring application: Microsoft Office Word
MD5: 095bb62ff99284d27b77b936f6165f98 SHA-1: 892b07f3b380c6bce9d3811da55278cd44f6e37c SHA-256: 8a0963cbbaeaafaec04d7329d27418a1a39de987efd60652e675376dd0f267f2
280 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file contains VBA macros, including a Document_Open auto-exec macro, which is a strong indicator of malicious intent. The ClamAV detection explicitly identifies it as 'Doc.Downloader.Emotet-9765526-0', suggesting it functions as a downloader for the Emotet banking trojan. The presence of CreateObject and GetObject calls further supports the execution of external code. The document body content appears to be malformed or obfuscated, providing no clear user-facing lure.

Heuristics 8

  • ClamAV: Doc.Downloader.Emotet-9765526-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9765526-0
  • 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
b9cffb0e79babc4a34c180b4e03d44a772a85b301d6c58e52fd57eb504592664		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 19838 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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