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

Static analysis result for SHA-256 6ed43227b066756e…

MALICIOUS

Office (OLE) / .DOCX

175.9 KB Created: 2020-09-28 12:01:00 Authoring application: Microsoft Office Word
MD5: 7e9d5f8c6b8ed68321d1548a1a8d67a0 SHA-1: 1588c844e09d6dd8a743c1d8224dcf33974a5407 SHA-256: 6ed43227b066756eb43c26ee9c02bca79a3e855c524b24dcfe4b0ad5599164ed
202 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1204.002 Malicious File

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a common technique for initiating malicious actions upon opening the document. The macro uses CreateObject, indicating it likely attempts to download and execute a second-stage payload. The ClamAV detection as 'Doc.Downloader.Generic' further supports this downloader functionality.

Heuristics 6

  • ClamAV: Doc.Downloader.Generic-9768640-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Generic-9768640-0
  • 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
41d5da1c3b5ac37936783dc0f6deb9a466b44f4833e7f3cfb69b25cedc4e48ca		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 6262 bytes

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