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

Static analysis result for SHA-256 09d4f64286775cac…

MALICIOUS

Office (OLE) / .DOCX

210.1 KB Created: 2020-10-30 18:34:00 Authoring application: Microsoft Office Word
MD5: 07f1892ca864b4f139788145eccd5897 SHA-1: 76121ed627bc85fac703c3d4299fb377ec231e55 SHA-256: 09d4f64286775cac084f70b33d843500d9372a3abcab48ce9e637d1aa3dbada6
202 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1204.002 Malicious File

The sample is a Microsoft Office document containing VBA macros. The 'Document_Open' macro is present and utilizes a 'CreateObject' call, which is a common technique for executing arbitrary code. This strongly suggests the macro is designed to download and execute a secondary payload. The ClamAV detection also points to a downloader family.

Heuristics 6

  • ClamAV: Doc.Downloader.EmotetRed02224-9938637-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.EmotetRed02224-9938637-0
  • 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
035247075e717030c87eb1e7a35ad2ad2c8145cc7110257c5be024c0ffb99fb6		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17340 bytes

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