Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 705815086d9b5ffb…

MALICIOUS

Office (OLE) / .DOCX

172.0 KB Created: 2020-09-30 10:55:00 Authoring application: Microsoft Office Word
MD5: 40bb9f5922c37d3d6be2f03e21ed0db6 SHA-1: 62b6948528abcea6d7b2e8bd07c37c331adfb1bd SHA-256: 705815086d9b5ffb5a5ae923afbed8b2ca6166551fa3374e71e5feddb6430b66
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1204.002 Malicious File

The file is a malicious Office document containing VBA macros, specifically a Document_Open macro that uses CreateObject to execute code. ClamAV detection identifies it as an Emotet downloader. The VBA macro is heavily obfuscated but appears to be designed to download and execute a second-stage payload, consistent with Emotet's typical behavior. The presence of the Document_Open macro and the CreateObject call are strong indicators of malicious intent.

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
e574dc9e5be70b9e64389cc5809b4b9a70fc86bbb2ebeadb9aa3663111f6add5		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10540 bytes

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