Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 0fa95243b32aeed4…

MALICIOUS

Office (OLE) / .DOC

132.9 KB Created: 2020-09-30 18:26:00 Authoring application: Microsoft Office Word
MD5: fde0b4e67c8f00c4db6e65e3e7774beb SHA-1: 3b740bb63ac30f7c9d28ab515248298102eb5ec4 SHA-256: 0fa95243b32aeed46bce778a2cacf28a29726c91fec6abc3c3be8e3860c95e68
202 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 identifies it as 'Doc.Downloader.Emotet-9769771-0'. The VBA script uses CreateObject, indicating it's designed to execute code, likely to download and run a second-stage payload.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9769771-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9769771-0
  • 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
e5aaf9f3439fc51732c94523035a3e61bc2d17c21b6cf92e4d7bbe4fa685ceb9		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10171 bytes

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