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

Static analysis result for SHA-256 02b930d350866dbd…

MALICIOUS

Office (OLE) / .DOCX

176.4 KB Created: 2020-09-28 21:56:00 Authoring application: Microsoft Office Word
MD5: 392f3359f36ba1100e8f48db4c185a50 SHA-1: eb80915d29f2dc4926a6253ea8a9866bcc70d1a1 SHA-256: 02b930d350866dbdcc07e0ce90a98efb7b5e4fd14c09e41f986d23fa5c79db21
202 Risk Score

Malware Insights

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

The sample is a DOCX file containing VBA macros, including a Document_Open macro that uses CreateObject. The VBA code is heavily obfuscated but appears to construct and execute a string, likely for downloading and executing a second-stage payload. The presence of the Document_Open macro and CreateObject call strongly suggests malicious intent, aligning with a common macro-based malware delivery technique.

Heuristics 6

  • ClamAV: Doc.Malware.Generic-9769001-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Generic-9769001-0
  • 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
fe19635e7383e285d173bce1f5bbd9867258f7974e3830e10aecb187a337391c		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 6691 bytes

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