Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 fa32b3af043d23a5…

MALICIOUS

Office (OLE) / .DOCX

212.2 KB Created: 2020-10-16 06:01:00 Authoring application: Microsoft Office Word
MD5: c11cc5b954613a0f710b7849d589dd94 SHA-1: 4925163a87b35853c6b3780159ad28cae943e800 SHA-256: fa32b3af043d23a5ef9da1268ad18d9e471751b8df013c5ca465df7db5dfe2c9
240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The critical ClamAV detection and high-severity heuristics for VBA macros, including an auto-executing Document_Open macro and CreateObject calls, strongly indicate malicious intent. The presence of a VBA macro named 'macros.bas' further supports this. The ClamAV signature 'Doc.Downloader.EmotetRed02224-9938637-0' suggests this is a downloader variant of the Emotet family, likely designed to fetch and execute a second-stage payload.

Heuristics 7

  • 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.
  • Suspicious extracted artifact high EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • 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
3863408a8bdeee0ec9a7fd53b63559adf9564fc8373ad4e3bb83f95fe3393045		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15324 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved macro source contains an auto-exec entry point and execution/download terms.

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