Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 02fc6d8ee6251ade…

MALICIOUS

Office (OLE) / .DOCX

210.9 KB Created: 2020-10-16 06:01:00 Authoring application: Microsoft Office Word
MD5: dbad169dddb713885da0f1a38a5883ad SHA-1: 7ff8a29a935980964ccbebb7013afbcec2c72ac4 SHA-256: 02fc6d8ee6251ade9ddb856c406f96859d30822252102e91c13f0fbb9d2fc09f
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a common technique for Emotet. The critical ClamAV detection explicitly names 'Emotet' and indicates a downloader functionality. The VBA script uses CreateObject, a common method for initiating malicious actions, and the presence of obfuscated code suggests an attempt to hide its true purpose of downloading and executing a second-stage payload.

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
3863408a8bdeee0ec9a7fd53b63559adf9564fc8373ad4e3bb83f95fe3393045		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15324 bytes

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