Emotet — Office (OLE) malware analysis

Static analysis result for SHA-256 06fa67466a0f6822…

MALICIOUS

Office (OLE)

130.5 KB Created: 2020-10-14 22:05:00 Authoring application: Microsoft Office Word
MD5: b96b90fb436053bc3ff51afc3ca1d106 SHA-1: ba6f3f2b8033073adf4f2f496cbc76abf84ef869 SHA-256: 06fa67466a0f6822126169ad17c539fa587521da52b83561977800f13a3ed83b
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1059 Command and Scripting Interpreter T1566.001 Spearphishing Attachment

The sample is identified as malicious by ClamAV with a specific Emotet signature. High-severity heuristics indicate the presence of a Document_Open VBA macro that uses CreateObject to execute code. The VBA script itself is heavily obfuscated but contains functions that appear to be designed for code execution and string manipulation, consistent with Emotet's behavior of downloading and executing further stages.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9777973-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9777973-1
  • 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
9296410b78ac92b55714bdfa954afbb0bd00efb2266f225f69af6657d47bd2de		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 9460 bytes

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