Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0520918b9c93244b…

MALICIOUS

Office (OLE) / .DOCX

146.0 KB Created: 2020-09-30 13:54:00 Authoring application: Microsoft Office Word
MD5: 8c55026c53513f17ac77ae89033a4af7 SHA-1: 65cf0f79e61179e5cc2040769057454ff727e854 SHA-256: 0520918b9c93244befe98ce4415fc2b3ef7ab73e6f002bd0953a9108669c8771
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 sample was detected as malicious by ClamAV with the signature 'Doc.Malware.Emotet-9769801-1', indicating a known Emotet variant. The presence of a 'Document_Open' VBA macro, coupled with 'CreateObject' calls and obfuscated p-code, strongly suggests an attempt to execute malicious code upon opening. This macro likely serves to download and execute a second-stage payload, a common Emotet behavior.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9769801-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9769801-1
  • 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
b0a96d5f70fa37f74dd6926b04c01f24a02f2a82bef41b3183b9207cf3a20fca		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10253 bytes

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