Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0d6a4adbdcf1eb88…

MALICIOUS

Office (OLE) / .DOCX

169.8 KB Created: 2020-09-29 12:31:00 Authoring application: Microsoft Office Word
MD5: eaea96bb24d44aec4f374f479168dd0f SHA-1: bb7489a04c7b1308cbdc5baa265e435a48a800a2 SHA-256: 0d6a4adbdcf1eb88796382eb5c208b6bb92242af7b560d07e66647478e265758
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file is identified as malicious by ClamAV with a signature indicating it's an Emotet downloader. The presence of a Document_Open VBA macro, which uses CreateObject, strongly suggests it's designed to execute code. The macro's obfuscated nature and the detection name point towards Emotet's typical behavior of downloading and executing further stages.

Heuristics 6

  • ClamAV: Doc.Downloader.EmotetRed02224-9938637-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.EmotetRed02224-9938637-0
  • 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
78af9bfbd851f0765d951c5fd87890712e4afc03034fdc1be9f16082b41d9b12		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 8150 bytes

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