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

Static analysis result for SHA-256 0c985b2c9d1db701…

MALICIOUS

Office (OLE) / .DOCX

156.6 KB Created: 2020-10-19 19:04:00 Authoring application: Microsoft Office Word
MD5: 6ce9fef41832fac8c912c9af8d633c71 SHA-1: 10fa13cd1175652123381a3f92e7abb30d5c9a5c SHA-256: 0c985b2c9d1db701a2990f23a790736c0e172df54eb3e1dd4c62a15456bd79ac
202 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The sample contains VBA macros, specifically a Document_Open macro that uses CreateObject to execute code. This indicates the document is designed to run malicious code upon opening. The VBA code is heavily obfuscated, but the presence of the Document_Open macro and the CreateObject call strongly suggests it's a downloader for a second-stage payload. The ClamAV detection 'Doc.Malware.Sagent-9780620-0' further supports this assessment.

Heuristics 6

  • ClamAV: Doc.Malware.Sagent-9780620-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Sagent-9780620-0
  • 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
f5b87ce45487709d15d050e57056fa93cd3421269a64b3bdcf77894d3425125c		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15582 bytes

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