Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 7295aebd2a618cef…

MALICIOUS

Office (OLE) / .DOCX

169.4 KB Created: 2020-09-22 22:50:00 Authoring application: Microsoft Office Word
MD5: 53d13457ba528aa2c6c9922cbc3a94c9 SHA-1: 8fad642115785e960005031512b91276cdda3d46 SHA-256: 7295aebd2a618cef25261555136c8dbef5344ceabfd9b5088a41276c05b48cb3
242 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 macro that utilizes CreateObject and GetObject calls, which are common for executing malicious code. ClamAV detection explicitly identifies it as 'Doc.Downloader.Emotet-9765458-0'. The VBA script appears to be heavily obfuscated, but its structure and the presence of downloader heuristics strongly suggest it is designed to fetch and execute a secondary payload. The primary attack vector is likely spearphishing attachment.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-9765458-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9765458-0
  • 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
30f2d5537902d59450c9d0d4b8e76203b657840da56dd9d07c3c9632425ddcf4		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 20571 bytes

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