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

Static analysis result for SHA-256 61ba6999ffd23a0f…

MALICIOUS

Office (OLE) / .DOC

216.8 KB Created: 2020-09-21 20:39:00 Authoring application: Microsoft Office Word
MD5: 540d913117e01f2831e642c8d5db8143 SHA-1: a9c6c50664ab0040a1138d3dfcb429cc9d7c4568 SHA-256: 61ba6999ffd23a0f22f6827b577e773e9d6a79ef366b3260a6b55a792c98d519
242 Risk Score

Malware Insights

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

The sample is a malicious Office document containing VBA macros, specifically a Document_Open macro designed to execute automatically. Heuristics indicate the use of CreateObject and GetObject, common for downloading and executing payloads. The ClamAV detection as 'Doc.Downloader.Generic' further supports this. No specific download URL or second-stage payload was directly identified in the provided evidence, but the intent to download and execute is clear.

Heuristics 7

  • ClamAV: Doc.Downloader.Generic-9764666-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Generic-9764666-0
  • 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
6d2f50f334b8e082813c694e310720d341c184a4af51360bc43b61318b8ab2c5		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 19051 bytes

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