Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 00f72355a3c3e661…

MALICIOUS

Office (OLE) / .DOCX

214.5 KB Created: 2020-10-27 05:52:00 Authoring application: Microsoft Office Word
MD5: 021c6f2beadb7176ec8a58f4781aa189 SHA-1: 6f406367064a9cf191255db76808042f2c21eba0 SHA-256: 00f72355a3c3e661dba869458da2c7ca2a377fb9027c3963e263e425a068a9ed
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample was detected as malicious by ClamAV with the signature 'Doc.Downloader.Emotet-9784225-0', strongly indicating the Emotet family. The presence of a Document_Open macro, CreateObject calls, and VBA p-code auto-execution further supports this. The VBA script is heavily obfuscated, but its structure suggests it decodes and executes a payload, likely a downloader, consistent with Emotet's behavior.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9784225-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9784225-0
  • 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.
  • 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
876efd50e919d9082c47104a676f266739e3ebd392e529f593b7ea04deb8a95e		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16361 bytes

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