Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 8735f3fba355d62e…

MALICIOUS

Office (OLE) / .DOCX

143.2 KB Created: 2020-09-29 09:08:00 Authoring application: Microsoft Office Word
MD5: 5fde4b732cedbd031e053a7c29eb941c SHA-1: 8ad1a670cf5ace67dc1ed048843022d17fd55ec7 SHA-256: 8735f3fba355d62e151499b2d1420f146f803f54119070ff76d6e23e7e35b412
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 file is identified as malicious by ClamAV with the signature 'Doc.Downloader.Emotet-9769137-0', strongly suggesting the Emotet family. The presence of a 'Document_Open' macro that uses 'CreateObject' indicates an attempt to execute code upon opening the document. This macro functionality is typical for downloading and executing further stages of malware. No specific URLs or executable payloads were directly extracted, but the macro's intent is clear.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9769137-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9769137-0
  • 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
2f5b3223d32b6b79c027453efef3c5410c27df5205b9cb2b32dd9a1e0304e007		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 8132 bytes

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