Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 5c4cab29ee87b07e…

MALICIOUS

Office (OLE) / .DOCX

208.6 KB Created: 2020-12-22 21:50:00 Authoring application: Microsoft Office Word
MD5: 62ec1e2a40ec25e1b6910b4d8611f284 SHA-1: c5019ddb90264330c51fc1a0e563b6916555e9dc SHA-256: 5c4cab29ee87b07eb6a57ccad782631b9281fa4db8f0a1b12d2672584426ccce
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains VBA macros, specifically a Document_Open macro that utilizes CreateObject, indicating malicious intent. ClamAV detection as 'Doc.Downloader.EmotetRed02224-9938637-0' strongly suggests it's a downloader for the Emotet family. The VBA macro is designed to execute code, likely to download and run a secondary payload, which is a common Emotet distribution technique.

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
b559ca2a4b6431779fe74d7481a6f916cab3c2b891432c5ee8c97f5a35ecea25		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15388 bytes

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