Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 94664f71a4235a5b…

MALICIOUS

Office (OLE) / .DOCX

169.8 KB Created: 2020-09-29 12:31:00 Authoring application: Microsoft Office Word
MD5: c31e80b698fcbd88c3f045a8a21d6bab SHA-1: 6262b564c238d7aae82bafc1bf2f332eb0e41552 SHA-256: 94664f71a4235a5be2e24ea979edb2133d68b3d4ddd2a3cad56741bedb13edc1
240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File T1105 Ingress Tool Transfer

The file contains a high-severity 'Document_Open' VBA macro that uses 'CreateObject', indicating it's designed to execute code upon opening. The ClamAV detection explicitly names this as 'Doc.Downloader.EmotetRed02224-9938637-0', strongly suggesting a downloader family. The macro's auto-execution and creation of objects point to its role in downloading and running a subsequent payload, consistent with Emotet's typical behavior.

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
78af9bfbd851f0765d951c5fd87890712e4afc03034fdc1be9f16082b41d9b12		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 8150 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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