MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic
T1204.002 Malicious File
The presence of Excel 4.0 macros, specifically an Auto_Open macro utilizing dangerous functions like RUN and ShellExecute, strongly indicates a downloader. The embedded URL points to a GIF file, which is likely a lure or a disguised payload. The ClamAV detection name 'Doc.Downloader.Docusign0521-9864805-0' further supports the downloader classification. The script's intent is to execute a command via ShellExecute, likely to fetch and run additional malware from the provided URL.
Heuristics 5
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ClamAV: Doc.Downloader.Docusign0521-9864805-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Doc.Downloader.Docusign0521-9864805-0
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Reference to ShellExecute API high SC_STR_SHELLEXECReference to ShellExecute API
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XLM Auto_Open with dangerous formula APIs high OLE_XLM_DANGEROUS_FNExcel 4.0 macro sheet contains an Auto_Open / Auto_Close entry and dangerous XLM formula APIs that can invoke programs, write files, or transfer control without VBA.
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Excel 4.0 (XLM) macro sheet present medium OLE_XLM_AUTOOPENWorkbook contains an Excel 4.0 macro sheet sub-stream — XLM is rarely seen in modern legitimate workbooks and was a major Office malware vector during 2020-2022.
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Embedded URL info EMBEDDED_URLOne 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://ismailiyamedical.com/ds/151120.gif�
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
xlm_macros.txt89aad7b8576d8f84c1934acd2fc0826a9bcea7c600ce1ac7e8579bafe1fef843 |
xlm-macro | oletools.olevba.extract_all_macros (XLM macro listing) | 5602 bytes |
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