MALICIOUS
80
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic for Applications
T1204.002 Malicious File
The file is an Excel 4.0 workbook containing an Auto_Open macro that utilizes dangerous functions, specifically 'RUN'. This macro is designed to execute arbitrary commands, likely to download and execute a second-stage payload from the embedded URL. The presence of the URL shortener further suggests an attempt to obfuscate the final destination of the malicious payload.
Heuristics 4
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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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XLM workbook contains URL shortener medium OLE_XLM_URL_SHORTENERWorkbook contains an Excel 4.0 macro-sheet marker and visible URL-shortener targets in the OLE bytes. This is a common XLM downloader shape even when formula recovery is incomplete.
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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://tinyurl.com/tnjssehw�
- http://tinyurl.com/tnjssehw
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
xlm_macros.txt9aa2841f0903c5b3a26eae55bd1eb0416844c25a84ba8ec846549d83ea36b138 |
xlm-macro | oletools.olevba.extract_all_macros (XLM macro listing) | 2184 bytes |
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