Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 1507825b3185d476…

MALICIOUS

Office (OLE) / .DOCX

171.1 KB Created: 2020-09-16 14:22:00 Authoring application: Microsoft Office Word
MD5: be204584eb83bd43d27235984807785a SHA-1: fc2b94b9e293b8358fa28d9a71d19b37fc2e066b SHA-256: 1507825b3185d4763904f53704f18fd1157aeb1eb25ec77e5643e8a48173e53f
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, and uses CreateObject, which are strong indicators of malicious intent. ClamAV detection explicitly names this as Emotet. The VBA code appears to be obfuscated but the presence of auto-execution and object creation suggests it is designed to download and run a second-stage payload.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9762291-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9762291-0
  • 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
9f558458f94a18a1753cb250fa701b5a4b696c6db0138705a67ec847e6bae57b		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 21795 bytes

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