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

Static analysis result for SHA-256 60833f92788bce01…

MALICIOUS

Office (OLE) / .DOC

212.7 KB Created: 2020-09-21 12:09:00 Authoring application: Microsoft Office Word
MD5: 19a86aa8be399c35e40b5bb58542fa69 SHA-1: e9dc559df1f58cb12dec705a0040f8fa906cf88f SHA-256: 60833f92788bce0102cebdc74767af989fe0c12a33cbe80e885f5a7216af9fba
242 Risk Score

Malware Insights

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

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a common technique for malware delivery. The obfuscated VBA code likely attempts to download and execute a second-stage payload, as indicated by the 'CreateObject' and 'GetObject' heuristic firings. ClamAV also identified this file as a generic downloader.

Heuristics 7

  • ClamAV: Doc.Downloader.Generic-9764508-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Generic-9764508-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • 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
cea30dbaa44bcaf57fbcd15c35be69cfffbad74d3b69c3addc059acf5ad797f9		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 19026 bytes

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