Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6742ecfe387572b5…

MALICIOUS

Office (OLE) / .DOCX

169.8 KB Created: 2020-09-29 12:31:00 Authoring application: Microsoft Office Word
MD5: a3fc63010003b0bb132d50fb16d28eed SHA-1: 385800b16abc2ae5dc5aff124d1d3fa32d2e88d2 SHA-256: 6742ecfe387572b5377d9dd4a476a24c98755c2594bbf861694e57750345e086
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file is detected as malicious by ClamAV with the signature 'Doc.Downloader.EmotetRed02224-9938637-0', indicating it's an Emotet downloader. The presence of a Document_Open macro and CreateObject calls strongly suggests malicious VBA code execution. The macro appears to construct a command to download and execute a payload, likely from a URL that was obfuscated or truncated in the provided evidence.

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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