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

Static analysis result for SHA-256 6696d2b4bda78427…

MALICIOUS

Office (OLE) / .DOCX

217.2 KB Created: 2020-09-21 20:39:00 Authoring application: Microsoft Office Word
MD5: ee89d350cf3d1c8c746c38f8522912fc SHA-1: 565a5f13d8c521b76fe8d8500e26cee9a32713fc SHA-256: 6696d2b4bda784271bb22b8bf2ee6db7547f366940a5bba7444ec265cbc1b0e1
242 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, specifically a Document_Open macro that uses CreateObject and GetObject calls. This indicates an attempt to execute code upon opening the document. The ClamAV detection 'Doc.Downloader.Generic-9764666-0' strongly suggests the macro's purpose is to download and execute a secondary payload. No specific URLs or executable payloads were directly extracted, hence the family is unknown.

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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