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

Static analysis result for SHA-256 16bb2cc98db47919…

MALICIOUS

Office (OLE) / .DOC

181.4 KB Created: 2019-03-27 14:41:00 Authoring application: Microsoft Office Word
MD5: 2c26eae2db96522479d94e33e69a4853 SHA-1: 1f484ae8aa1a58f8c84a5eb5079f321561426561 SHA-256: 16bb2cc98db47919aad31b64f89faf26fb9eb4e831a334e1132b843659533147
202 Risk Score

Malware Insights

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

The file is a malicious Office document containing VBA macros, specifically an AutoOpen macro that uses GetObject. The ClamAV detection 'Doc.Downloader.Sagent-6914418-0' indicates a downloader functionality. The VBA script is heavily obfuscated, but the presence of AutoOpen and GetObject suggests an attempt to execute code, likely to download and run a secondary payload. The embedded URL is benign.

Heuristics 6

  • ClamAV: Doc.Downloader.Sagent-6914418-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Sagent-6914418-0
  • AutoOpen macro high OLE_VBA_AUTOOPEN
    AutoOpen macro
  • GetObject call high OLE_VBA_GETOBJ
    GetObject 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
5e03f3df94b043b94fb680c0631022b641df2adbcd2778a61279e8e4e567a5a0		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 28608 bytes

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