Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 62f2cbc196c146e1…

MALICIOUS

Office (OLE) / .DOCX

194.7 KB Created: 2020-09-22 04:18:00 Authoring application: Microsoft Office Word
MD5: 1156afb83d90a3543df728474c1f6dab SHA-1: 24db1f935aae3cbe983585aa3d903ed458e6ad48 SHA-256: 62f2cbc196c146e104aa375726679cd17664f33a19701c5db10ab9cccd24a5bf
242 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The sample contains VBA macros, specifically a Document_Open macro, which is a common technique for Emotet. The macro uses CreateObject and GetObject calls, indicating it's designed to execute code. ClamAV detection further confirms its malicious nature as Emotet. The VBA code is heavily obfuscated, but the presence of auto-execution macros and the ClamAV signature strongly suggest a downloader or dropper functionality.

Heuristics 7

  • ClamAV: Doc.Malware.Emotet-9764756-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9764756-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • 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
3b0af88f4dd9c23a17bbdbbca50e89a637a2364695c54b84b34b6c26baade961		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 19032 bytes

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