Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 06414291ae702ec5…

MALICIOUS

Office (OLE)

156.4 KB Created: 2020-09-15 06:22:00 Authoring application: Microsoft Office Word
MD5: 37901605365d3172fc8d28d6403873f3 SHA-1: 2e11f4e987065c70fc7130afb7ef1d2368e1b321 SHA-256: 06414291ae702ec5090ff50ff4c158bb4471e02229dc789839e7d76db33ca996
202 Risk Score

Malware Insights

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

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a strong indicator of malicious intent. The macro uses CreateObject, suggesting it attempts to perform actions beyond typical document manipulation. While the exact payload is obfuscated, the presence of these elements strongly suggests the macro is designed to download and execute a secondary stage. The ClamAV detection further supports the malicious classification.

Heuristics 6

  • ClamAV: Doc.Malware.Ewlu-9762385-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Ewlu-9762385-0
  • 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
0812334775ad413ac951a2705cc110a8397311927e3a75099eb95d4d59503241		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 23048 bytes

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