Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 802f04236dcc8416…

MALICIOUS

Office (OLE) / .DOCX

195.9 KB Created: 2020-09-24 13:34:00 Authoring application: Microsoft Office Word
MD5: b7e9194e54ed1ca4e7447716b11e4ac8 SHA-1: c0944a7e818b8f9243cda018702d40910d3f747e SHA-256: 802f04236dcc8416e167f809dda60e5623b54d39bd04e74dd1f1db148afca2d3
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a common characteristic of Emotet. The macros are heavily obfuscated but appear to be designed to execute PowerShell commands. The ClamAV detection name also strongly suggests Emotet. The embedded URL is benign and likely a false positive from the parser.

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
a837a74c15cb3b2b06d70805c30f06a3d350fde6faccbab7be73edc42a69bb80		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 25402 bytes

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