Malicious Office (OLE) / .DOCX — malware analysis report

Static analysis result for SHA-256 00d65057e563b8b9…

MALICIOUS

Office (OLE) / .DOCX

161.7 KB Created: 2020-09-23 12:48:00 Authoring application: Microsoft Office Word
MD5: b483cc58e596149d1056dffaa0e69202 SHA-1: 8f5fff9018a37e2a121f46ee15b01eb895867924 SHA-256: 00d65057e563b8b9ac6f3e0c359dcbf80672aa208a4a64439dd2bfa157ec14d1
202 Risk Score

Malware Insights

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

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a common technique for malware delivery. The heuristics indicate the use of CreateObject and p-code execution, suggesting the macro is designed to download and execute a second-stage payload. The ClamAV detection as 'Doc.Downloader' further supports this conclusion.

Heuristics 6

  • ClamAV: Doc.Downloader.Generic-9765533-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Generic-9765533-0
  • 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
b40b6439e0e94acfcf6292a727f89f3b7b0e2a6faeddd230541e1164d0603753		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 19346 bytes

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