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

Static analysis result for SHA-256 5ee7fbe582e7e187…

MALICIOUS

Office (OLE) / .DOCX

156.9 KB Created: 2020-10-19 19:04:00 Authoring application: Microsoft Office Word
MD5: e60472f967c0669f039e7f1c729a8e4a SHA-1: 2e38316de90dfe448828cb40d6a6fb8bf7a76617 SHA-256: 5ee7fbe582e7e187c61eee1b5d66f665d3623c90a7ad3197cbde16c4d210f536
202 Risk Score

Malware Insights

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

The sample contains VBA macros, including an auto-executing Document_Open macro, which is a common technique for initial execution. The VBA code is heavily obfuscated, making it difficult to determine the exact payload, but the presence of CreateObject and the overall structure strongly suggest it's designed to download and execute a second-stage payload. The ClamAV detection 'Doc.Malware.Sagent-9780620-0' further supports a malicious classification.

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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