Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 bd5e318573106192…

MALICIOUS

Office (OLE) / .DOC

155.0 KB Created: 2020-10-16 19:32:00 Authoring application: Microsoft Office Word
MD5: c315d94bea90b78cb65748997fac09f0 SHA-1: eaf3aa2979f3dd6f1a358a6a2a28e19633e9e61f SHA-256: bd5e318573106192eca830985c93ad07583928c7ba9b1f752ee5ce3e38eea593
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 a malicious VBA macro, specifically a Document_Open auto-execution macro, which is a common Emotet delivery technique. The macro uses CreateObject to execute code, indicating it's designed to download and run a secondary payload. The ClamAV detection further confirms its malicious nature and identifies it as Emotet.

Heuristics 7

  • ClamAV: Doc.Malware.Emotet-9778628-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9778628-0
  • 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
d7b10db6ad3bff10dd176d31b83ada7ffa72a5d7b1b67bb513aee8ccfc4d5f3f		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15292 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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