MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic for Applications
T1204.002 Malicious File
The file is an Excel 4.0 macro-enabled spreadsheet. Heuristics indicate the presence of an Auto_Open macro that uses dangerous functions, specifically the RUN function, to execute arbitrary code. The embedded URL suggests a downloader pattern, aiming to retrieve and execute a secondary payload. The ClamAV detection name 'Doc.Downloader.Docusign0521-9864805-0' further supports this analysis.
Heuristics 4
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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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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 https://upgradedagent.com/ds/1002.gif�
- https://upgradedagent.com/ds/1002.gif
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
xlm_macros.txtfe3d0c9f5ea1e2c3ec2903a85e7edd2e4db105d518a1469e71277e913958c44d |
xlm-macro | oletools.olevba.extract_all_macros (XLM macro listing) | 4168 bytes |
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