Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 e2bb141cb50214c8…

MALICIOUS

Office (OLE) / .DOCX

166.8 KB Created: 2020-10-20 13:16:00 Authoring application: Microsoft Office Word
MD5: 15e5a9ccbdba6f0a5df076dbca9d8ee1 SHA-1: f5c64cd366fce6ba0a6fcd6b38a6d0f26fbc9d16 SHA-256: e2bb141cb50214c893b787409c65fec26c91f643e6facefa78f8b16cb49ea09a
240 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file contains VBA macros, specifically a Document_Open auto-execution macro, which is a strong indicator of malicious intent. The ClamAV detection explicitly names this as 'Doc.Downloader.Emotet-9780849-0', and the heuristics confirm the presence of VBA macros and CreateObject calls, typical for downloaders. The embedded URL, though benign, is noted as present in the document text. The primary function appears to be downloading and executing a second-stage payload.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-9780849-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9780849-0
  • 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
db983f63a3f14ba21ce878505faeebf248407a72c9ac689ac190379ed7abf96d		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17571 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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