Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 5ecc6d05457c8d3f…

MALICIOUS

Office (OLE) / .DOCX

153.7 KB Created: 2020-10-19 12:20:00 Authoring application: Microsoft Office Word
MD5: bf7c0add02973af96bc252646a003ffb SHA-1: f1853e487ebf6cc0566e77a59776c4aa1ec9f468 SHA-256: 5ecc6d05457c8d3f382c04c9186f74ec16a9d9da9c1d7c3dd0c392afae7cf852
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 Emotet infection vector. The macro uses CreateObject to execute code, and ClamAV detection confirms it as Emotet. The obfuscated nature of the VBA code suggests it is designed to download and execute a second-stage payload.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9780400-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9780400-0
  • 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
1b934c7a6a945d183f556fc460816db0116e14a6233b4c84dca18770500f607e		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15515 bytes

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