Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 00db5e29f6a3f63b…

MALICIOUS

Office (OLE)

155.0 KB Created: 2020-09-14 22:30:00 Authoring application: Microsoft Office Word
MD5: 78a4fc016dbec133f664e1f4b406fc9a SHA-1: a614894955d6159f48ac15ee52a3d8cbab606668 SHA-256: 00db5e29f6a3f63b8402dea3237c1588504483a83cb9ebaa2c96e9d7a0246c05
202 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The sample contains VBA macros, specifically a Document_Open macro that uses CreateObject, indicating malicious intent. The ClamAV detection name 'Doc.Malware.Emotet-9762395-0' strongly suggests Emotet family involvement, although the macro code itself is heavily obfuscated and does not reveal specific download URLs or execution commands. The primary function appears to be the execution of a secondary payload.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9762395-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9762395-0
  • 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
52e73c091f55432254cc001aa79ef5320e8222785e35361d8b9c34d1d7c1b011		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 18535 bytes

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