Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 82c4f8e591ecdf3a…

MALICIOUS

Office (OLE) / .DOC

128.0 KB Created: 2020-10-14 07:17:00 Authoring application: Microsoft Office Word
MD5: 162cdd7ad1db02969613085449426f99 SHA-1: 4e9d7247456cc4c8f0c08efec3788e2bdf1be3cb SHA-256: 82c4f8e591ecdf3a90cc9ade915f5ee5524b6de071555b0d8b1d91cb78a7dd6e
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The presence of a Document_Open VBA macro, coupled with CreateObject calls and obfuscated p-code execution, strongly indicates a malicious dropper. ClamAV detection as 'Doc.Dropper.Emotet-9777979-0' further supports this classification. The macro likely attempts to download and execute a secondary payload, a common Emotet tactic.

Heuristics 6

  • ClamAV: Doc.Dropper.Emotet-9777979-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Dropper.Emotet-9777979-0
  • 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.
  • 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
965146e7315f1a4ecc1a5d2fad03014e17bc883ca167a6078bfa90d897ebefad		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 9248 bytes

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