Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 7822a59d3dff50d7…

MALICIOUS

Office (OLE) / .DOCX

145.3 KB Created: 2020-09-30 13:54:00 Authoring application: Microsoft Office Word
MD5: 5179f040bc4bac75c57adf0d72634775 SHA-1: 4d947ce135b6d2d6cfc03e3ab8c55b6ccde2edf0 SHA-256: 7822a59d3dff50d774349623b322fef3e061a11843fad88872a5f4139f128c83
202 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 a specific Emotet detection name. The presence of a Document_Open VBA macro, which uses CreateObject, strongly suggests Emotet's typical behavior of executing obfuscated code to download and run additional payloads. The VBA macro's obfuscated nature and the use of CreateObject indicate an attempt to bypass defenses and execute arbitrary code, likely for further infection.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9769801-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9769801-1
  • 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
b0a96d5f70fa37f74dd6926b04c01f24a02f2a82bef41b3183b9207cf3a20fca		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10253 bytes

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