Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 73a13fdffd682ee3…

MALICIOUS

Office (OLE) / .DOCX

168.7 KB Created: 2020-10-20 06:24:00 Authoring application: Microsoft Office Word
MD5: 803310b1bbf0b58b3f3a97175b047bdb SHA-1: 1c7f5a8cb63935e7579b1ad12e6c3777791b2ec4 SHA-256: 73a13fdffd682ee3d85f42d0ab676a85fc6d5bab0291461bc4577429420ea190
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The file contains VBA macros, specifically a Document_Open macro that utilizes CreateObject, indicating malicious intent. ClamAV detection confirms it as 'Doc.Downloader.Emotet-9780995-0'. The macro likely downloads and executes a second-stage payload, a common Emotet tactic.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9780995-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9780995-0
  • 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
9c144e4934aa06f4a846d3460cf32982827c1cabf227410ae75b7d2e86969ea7		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17539 bytes

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