Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6e9eb564899d93d1…

MALICIOUS

Office (OLE) / .DOCX

159.8 KB Created: 2020-12-29 13:14:00 Authoring application: Microsoft Office Word
MD5: e46ffeff5b0f629b8b9a83ce8ed3cce9 SHA-1: 87d8a1102c894290a8fd59c65b7a2d4bf682eaa0 SHA-256: 6e9eb564899d93d15f7feb9f85b221d32317af6f89cccd0ad1d952fc4f1ff92c
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The critical ClamAV heuristic and high-severity VBA firings indicate malicious intent. The Document_Open macro is designed to execute obfuscated VBA code that attempts to open and read binary files from hardcoded paths, likely to assemble and execute a second-stage payload. The presence of the 'EmotetRed' ClamAV signature further supports the Emotet family attribution.

Heuristics 6

  • ClamAV: Doc.Downloader.EmotetRed02224-9938637-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.EmotetRed02224-9938637-0
  • 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
f0a26dbda37cee5a9e56f370f4faad071837ea1fd898646f154d0f1b66a66162		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 8375 bytes

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