Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 7d30568082d982dc…

MALICIOUS

Office (OLE) / .DOCX

191.5 KB Created: 2020-10-27 20:26:00 Authoring application: Microsoft Office Word
MD5: b57d8dea104edb658605bb9373ff0697 SHA-1: 575cc8591fb542347a6db65dd0dc56f29a9c6ed1 SHA-256: 7d30568082d982dc387555d54ac483b20abaa0a5b97e653ad6f5374bd8ed3d45
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample is a Microsoft Office document with a high-confidence detection for Emotet malware. It contains VBA macros, including a Document_Open auto-execution macro that uses CreateObject, indicating an attempt to execute code. The obfuscated VBA script likely constructs and executes a PowerShell command, as suggested by the presence of VBA p-code auto-execution and the ClamAV detection name.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9784450-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9784450-1
  • 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
557610d73c449d90b5a2aabccaaf95f7a5897df031246bc03a17cf1b86e2503b		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16372 bytes

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