Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 1292dd86f8e8fe11…

MALICIOUS

Office (OLE) / .DOCX

159.1 KB Created: 2020-09-15 21:35:00 Authoring application: Microsoft Office Word
MD5: 26cdc572e869c5e455d279d507a8036c SHA-1: 00f31f75ece9a0f48744d14250433f4c64bff56a SHA-256: 1292dd86f8e8fe11fcbf78ef24f8e0001be9a651a0704a2d31fa4fdcbe6dfed2
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file contains VBA macros, including a Document_Open auto-execution macro, and uses CreateObject, which are strong indicators of malicious intent. ClamAV detection explicitly identifies this as Emotet. The VBA code appears to be obfuscated but is designed to execute a payload, likely a downloader, upon opening the document.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9762290-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9762290-0
  • 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
48aeeefcb5ab39bdc7a9844f7217739e7dc8c9cb3f8a901965d3ff17ec851125		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 25311 bytes

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