Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 58110e02a76d62c2…

MALICIOUS

Office (OLE) / .DOCX

209.9 KB Created: 2020-10-30 08:52:00 Authoring application: Microsoft Office Word
MD5: 63984c05ca183a2f8fb07690ba7a4f39 SHA-1: 50a5bf59add7b7428c0b9f9653f7f560b7b071f0 SHA-256: 58110e02a76d62c24b6b6b9e39e9a545debbd59c21af96362cf64dbc8b02dcc6
240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1105 Ingress Tool Transfer

The critical ClamAV detection and high-severity heuristics for VBA macros, specifically the Document_Open auto-execution and CreateObject calls, strongly indicate malicious intent. The presence of a VBA macro that likely downloads and executes a second-stage payload, as suggested by the 'Doc.Downloader' ClamAV signature, points to the Emotet family. The document body's obfuscated nature further supports this, as it's common for Emotet lures to contain garbled text.

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
3b4c2a22d0b516cd2d6141ac35df0fe0efc5e56c8812d3fa768461278bc89f15		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17545 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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