Emotet — Office (OLE) malware analysis

Static analysis result for SHA-256 5e0d9e19ad9079d0…

MALICIOUS

Office (OLE)

133.4 KB Created: 2020-10-14 19:03:00 Authoring application: Microsoft Office Word
MD5: 66c2d8c8f672072459374d1920db34fd SHA-1: de3abc0b83ce748e3814e0d1af3a34bd330e9b02 SHA-256: 5e0d9e19ad9079d0325f377113e1975450b7c90b66051ea99f268153814d5687
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 the signature Doc.Downloader.Emotet-9778091-0. It contains VBA macros, including a Document_Open macro that utilizes CreateObject, indicating it's designed to execute code automatically. The presence of these elements strongly suggests a downloader functionality, typical of the Emotet family, which aims to fetch and run additional malicious payloads.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9778091-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9778091-0
  • 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
35ba581a7d07c242723817cd679240b29046cc2a7f4485862374591738596dda		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 9454 bytes

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