Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 7a12692c1afd3a1c…

MALICIOUS

Office (OLE) / .DOC

128.5 KB Created: 2020-10-14 06:49:00 Authoring application: Microsoft Office Word
MD5: 7e19286320514c92055a86beb1fe4578 SHA-1: 1d2e9d1e2795351818cd5c592c4189ae6173af46 SHA-256: 7a12692c1afd3a1c1ecb8eb1b25d52256e67c07e3c38330454810ee7d99111a1
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample is a malicious Office document containing VBA macros, specifically a Document_Open macro that uses CreateObject. ClamAV identifies it as Emotet. The VBA script is heavily obfuscated but its structure and the presence of CreateObject indicate it is designed to execute arbitrary code, likely downloading and executing a second-stage payload. The embedded URL is benign and not used for malicious purposes.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9777975-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9777975-1
  • 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.
  • 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
a1e06d58d65c5e173202fee73d0c268d74efbb2eb6a720ea5c8df5105ab9225c		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 9557 bytes

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