Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 3dfd344c3b230758…

MALICIOUS

Office (OLE) / .DOC

244.4 KB Created: 2020-01-15 06:05:00 Authoring application: Microsoft Office Word
MD5: c471e5e9ff7f2748b7b477f975521cb2 SHA-1: 16ca0322e46b17b828fd682ce0b8d7e903f1ae2b SHA-256: 3dfd344c3b2307583718ade465cbcc94ccf78d515b606db35f436c8741e9f97f
200 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file was detected as malicious by ClamAV with the signature 'Doc.Downloader.Emotet-7540218-0', indicating it is likely an Emotet downloader. The presence of a Document_Open macro and GetObject calls strongly suggests that the VBA code is designed to execute automatically upon opening the document. This macro is likely responsible for downloading and executing a second-stage payload, a common Emotet behavior.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-7540218-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-7540218-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • GetObject call high OLE_VBA_GETOBJ
    GetObject 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
91e6814b76661bde5c99a4e4c959e13db603b01b464bd932ae4f968e153961ba		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 11222 bytes

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