Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 5dc35d0f237e44b3…

MALICIOUS

Office (OLE) / .DOCX

164.3 KB Created: 2020-10-01 15:57:00 Authoring application: Microsoft Office Word
MD5: 36be5edff07cfe1ac27d4c9be03f9a50 SHA-1: a8bbaee45dc1e333555182e1c42108f294b6d25b SHA-256: 5dc35d0f237e44b3377a6e13ccea24f31517bc05dfc92d75a91a5343b6c1a9eb
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 file is identified as malicious by ClamAV with the signature 'Doc.Malware.Emotet-9770197-0', indicating a high likelihood of the Emotet family. The presence of a 'Document_Open' VBA macro that utilizes 'CreateObject' strongly suggests an automated execution of malicious code upon opening the document. This macro is likely designed to download and execute a secondary payload, a common Emotet tactic.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9770197-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9770197-0
  • 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
34626713db5720b3147c8823fb8dfd0fe34a12fce4df5a0aa65f24e3eab9d078		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10368 bytes

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