MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic for Applications
T1204.002 Malicious File
The file contains an Excel 4.0 macro (XLM) with an Auto_Open function, which is a known technique for executing malicious code upon opening the document. The heuristic firings indicate the use of ShellExecute and dangerous XLM functions, suggesting the macro is designed to download and execute a second-stage payload from the embedded URL. The ClamAV detection name 'Doc.Downloader' further supports this assessment.
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 https://kenas888.com/ds/231120.gif
- https://kenas888.com/ds/231120.gif�
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
xlm_macros.txt6dd2ce04afad0a05495adb4f6301aeb41dcc78e9673b9399eb28871054a28e1a |
xlm-macro | oletools.olevba.extract_all_macros (XLM macro listing) | 6060 bytes |
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