Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 70cd2d38d41ecad1…

MALICIOUS

Office (OLE) / .DOCX

209.4 KB Created: 2020-12-22 21:50:00 Authoring application: Microsoft Office Word
MD5: 17d21d514b0a24cf63d30183ba3e0d68 SHA-1: d5966fb4aff6446099682e1436feb17165ee017c SHA-256: 70cd2d38d41ecad15addac25c6e09641cce2f946161ecf261e639a09576ecb8b
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1140 Deobfuscate/Decode Files or Information

The sample contains VBA macros, specifically a Document_Open macro that utilizes CreateObject to execute obfuscated code. This behavior is characteristic of Emotet, which often uses macros to download and execute further malicious payloads. The ClamAV detection name 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
b559ca2a4b6431779fe74d7481a6f916cab3c2b891432c5ee8c97f5a35ecea25		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15388 bytes

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