Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 893bf230a92d22ef…

MALICIOUS

Office (OLE) / .DOC

126.5 KB Created: 2018-11-28 19:11:00 Authoring application: Microsoft Office Word
MD5: 522da9e54f489a96202e525386cc8434 SHA-1: 21168788e0d33f428206a02db0b6bb5edf39c21f SHA-256: 893bf230a92d22efc2df75456984be38f60554d2d703a7dd35b5b7c19ab22d2a
242 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file is a malicious Microsoft Word document containing VBA macros, specifically an AutoOpen macro. Heuristics indicate the use of PowerShell and a GetObject call, suggesting the execution of external code. The ClamAV detection explicitly identifies it as 'Doc.Downloader.Emotet-6826434-0', strongly indicating the Emotet family. The AutoOpen macro is designed to download and execute a second-stage payload, a common Emotet delivery technique.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-6826434-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-6826434-0
  • Reference to PowerShell high SC_STR_POWERSHELL
    Reference to PowerShell
  • AutoOpen macro high OLE_VBA_AUTOOPEN
    AutoOpen 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
3aecc998474c0efede0c6ada349c495f27df973fd912edc80ace101176923792		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 4994 bytes

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