Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6afddcbf7a8a6470…

MALICIOUS

Office (OLE) / .DOCX

157.8 KB Created: 2020-12-30 07:47:00 Authoring application: Microsoft Office Word
MD5: a601877743f37e10c76eae939cf56b1f SHA-1: 762c7c92f9e0196bb497f2332b660c40dc79c4fc SHA-256: 6afddcbf7a8a64702774f4bee529ef01e20567882777318dad0e184eadeb80c2
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains a VBA macro that executes upon opening the document, as indicated by the Document_Open heuristic. This macro utilizes CreateObject to interact with the file system, attempting to create and write to specific file paths. The ClamAV detection name 'Doc.Downloader.EmotetRed02224-9938637-0' strongly suggests the Emotet family, which commonly uses macro-enabled documents to download and execute further stages.

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
9bf607663b8a2bf6d5409ee86f6e92f88c816fbcbd12854fba6197389a76ce81		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 6567 bytes

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