Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 02a4f728e72a9b3f…

MALICIOUS

Office (OLE) / .DOCX

158.2 KB Created: 2021-01-12 22:19:00 Authoring application: Microsoft Office Word
MD5: 7050ac30f5bdd67af00c1f714245422d SHA-1: 4366fc88789b6316e10929a70ab28baeeed58a3f SHA-256: 02a4f728e72a9b3f8acbdfdce4bb3390cdbd32fd2a8ff9d4294afbfeb8ef65e6
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 macro, which is a strong indicator of malicious intent. The ClamAV detection explicitly names this as an Emotet downloader. The VBA code appears to be obfuscated but the presence of CreateObject and the Document_Open auto-execution strongly suggest it's designed to download and run a second-stage payload.

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
f080f423f3af32bf8c04d24f919af2345f2f15905193e2101e5f7b51599e8466		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 7512 bytes

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