Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 02696f935a16df5d…

MALICIOUS

Office (OLE) / .DOCX

152.6 KB Created: 2020-09-22 07:23:00 Authoring application: Microsoft Office Word
MD5: 2dec23665ef4ad58f320db66ceb7f0ab SHA-1: 9be1ae15d6cc4ccd2dff052146de751f8f24014a SHA-256: 02696f935a16df5d00086ff593009474deb700983317cb98f26f83904d513ae3
242 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample is identified as malicious by ClamAV with the signature 'Doc.Downloader.Emotet-9765070-0', strongly indicating the Emotet family. High-severity heuristics confirm the presence of VBA macros, specifically a 'Document_Open' macro that uses 'CreateObject' and 'GetObject' calls. The VBA script itself is heavily obfuscated but appears to be designed to execute code upon opening the document, consistent with a downloader's behavior. The presence of the 'Document_Open' macro and the Emotet family attribution suggest this file was likely delivered as a spearphishing attachment.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-9765070-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9765070-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • GetObject call high OLE_VBA_GETOBJ
    GetObject 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
37ce3f491be0f3d0a753fc5c7339c798cd89a6843cff6094a48ab180ad94ccb1		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16563 bytes

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