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

Static analysis result for SHA-256 ec861ed6318087e5…

MALICIOUS

Office (OLE) / .XLS

1.00 MB Created: 1996-11-05 10:16:36 Authoring application: Microsoft Excel
MD5: 01c1f8a243ad4f207057068b8c640afc SHA-1: e394e59e49f70d98bf178ff1c39ac9421e58aa35 SHA-256: ec861ed6318087e51c862c4317cf573b6caade389c99b7341928c0cff1a0c0d5
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.002 Spearphishing Attachment

The file is an Excel spreadsheet containing VBA macros, specifically a Workbook_Open macro that executes automatically. This macro uses CreateObject, indicating it likely attempts to perform actions beyond typical spreadsheet functions. The embedded URL suggests a potential download or redirection to malicious content. The document body appears to be a product catalog, likely used as a lure.

Heuristics 6

  • Workbook_Open macro high OLE_VBA_WBOPEN
    Workbook_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.
  • Suspicious extracted artifact high EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • 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://gate.lottosport.com/anteprimamodelli/m2/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
326dad908eded64eb1fae7049fa57886ff1eb72cd886b40108aa1d12fe8f77c4		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 11483 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved macro source contains an auto-exec entry point and execution/download terms.

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