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

Static analysis result for SHA-256 5ee50b193e5286fe…

MALICIOUS

Office (OLE) / .DOCX

155.9 KB Created: 2020-10-16 19:32:00 Authoring application: Microsoft Office Word
MD5: ae4923a5dc5a57f6b28b701d2dea9451 SHA-1: cf222cb9fda19a15774fedb2c88f08a5d3f4abe0 SHA-256: 5ee50b193e5286fe85dd62d6111cc21718bc601d35eccbd1257b46df999d9d69
202 Risk Score

Malware Insights

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

The file contains VBA macros, specifically a Document_Open macro that utilizes CreateObject. This is a common technique for Emotet and similar malware families to download and execute a secondary payload. The ClamAV detection ID further supports its malicious nature. While the specific family is not definitively identified, the behavior strongly suggests a downloader or dropper.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9778628-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9778628-0
  • 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
d7b10db6ad3bff10dd176d31b83ada7ffa72a5d7b1b67bb513aee8ccfc4d5f3f		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15292 bytes

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