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

Static analysis result for SHA-256 0d6380a49e708851…

MALICIOUS

Office (OLE) / .DOCX

194.6 KB Created: 2020-09-18 21:15:00 Authoring application: Microsoft Office Word
MD5: d7e8c8655cb63a7044a8116a58691bd2 SHA-1: 5ab6bcf54bfcda24b50bbfb0dc403f07f566e5d9 SHA-256: 0d6380a49e7088513773efca368acb3a783954a2d4df49ea9b730c9e49969458
202 Risk Score

Malware Insights

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

The sample is a Microsoft Office document containing VBA macros. The 'Document_open' macro is present and configured to execute automatically, indicating an attempt to run malicious code upon opening. The presence of 'CreateObject' and the ClamAV detection as 'Doc.Downloader.Generic' strongly suggest the macro's purpose is to download and execute a secondary payload. No specific family could be identified, but the technique is consistent with macro-based malware delivery.

Heuristics 6

  • ClamAV: Doc.Downloader.Generic-9763611-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Generic-9763611-0
  • 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
27aa07f405fa9b3280133cc26ba8fa4c11df7235c7ef1a37f33a0286291c2144		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 19156 bytes

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