Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0fd48786b12e8874…

MALICIOUS

Office (OLE) / .DOCX

172.6 KB Created: 2020-09-30 10:55:00 Authoring application: Microsoft Office Word
MD5: 1a1ea29a5da463cd8434e18b8aef1154 SHA-1: a8ab39261ec84bac649adc69e53e83f5592b1fc7 SHA-256: 0fd48786b12e8874cb785d93797affdebf211a8f67c6a295a1a95758003d0efb
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The sample contains VBA macros, specifically a Document_Open macro that executes code using CreateObject. This is a common technique for Emotet to download and execute a secondary payload. The ClamAV detection name 'Doc.Downloader.EmotetRed02224-9938637-0' further supports this classification. The obfuscated VBA code likely contains logic to fetch and run additional malicious content.

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
e574dc9e5be70b9e64389cc5809b4b9a70fc86bbb2ebeadb9aa3663111f6add5		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10540 bytes

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