Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 03ac2f43a8cfab16…

MALICIOUS

Office (OLE) / .DOCX

195.3 KB Created: 2020-09-22 04:18:00 Authoring application: Microsoft Office Word
MD5: 3af47e319c90316a89bab1e3f7b4c2a2 SHA-1: b005334dc1fb6258bb57c29ca1ab1217568f4232 SHA-256: 03ac2f43a8cfab1623e6755d1b2d217a20c8b2828a15756b39cc410421bf7fd4
242 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a common technique for Emotet. The ClamAV detection explicitly names Emotet. The VBA script uses CreateObject and GetObject, indicative of payload execution or manipulation. The Document_Open macro likely initiates the execution of a secondary payload.

Heuristics 7

  • ClamAV: Doc.Malware.Emotet-9764756-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9764756-0
  • 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
3b0af88f4dd9c23a17bbdbbca50e89a637a2364695c54b84b34b6c26baade961		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 19032 bytes

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