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

Static analysis result for SHA-256 78a5f938f7dd3a00…

MALICIOUS

Office (OLE) / .DOCX

156.6 KB Created: 2020-10-19 19:04:00 Authoring application: Microsoft Office Word
MD5: 57d67e072d986ddaa8e7a08b04e02a4e SHA-1: d9a67f089628b462378f8c237af4cd96a3552e6c SHA-256: 78a5f938f7dd3a00b5f78f0d86abf735fd4609990f37fc1a2d411f9dc1ab4dba
202 Risk Score

Malware Insights

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

The sample contains VBA macros, including a Document_Open macro that uses CreateObject, indicating malicious intent. The obfuscated VBA script likely attempts to download and execute a second-stage payload. The ClamAV detection 'Doc.Malware.Sagent-9780620-0' further supports its malicious nature. The presence of VBA macros suggests it was likely delivered as a spearphishing attachment.

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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