MALICIOUS
200
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic for Applications
T1204.002 Malicious File
T1059.001 PowerShell
The file contains Excel 4.0 macros, specifically an Auto_Open function, which is a known technique for executing malicious code. The macros attempt to download a payload from multiple concatenated URLs, including 'https://stoneflymarketing.com/wminjury/law.com/iYINP/'. ClamAV also identified this as Emotet, a known downloader family. The use of Auto_Open and the download URLs strongly indicate a downloader functionality.
Heuristics 4
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Excel 4.0 Auto_Open defined name critical OLE_XLM_AUTOOPEN_DEFINEDNAMEoletools recovered an Auto_Open / Auto_Close entry from an Excel 4.0 macro sheet. The raw BIFF name can be tokenized or partially opaque to byte-string checks, but the recovered macro listing confirms the workbook has an XLM auto-execution entry.
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XLM Auto_Open with dangerous formula APIs critical 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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ClamAV: Xls.Downloader.Emotet-ea85857e7e81817a-9950241-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Xls.Downloader.Emotet-ea85857e7e81817a-9950241-0
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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.
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
xlm_macros.txta00a9dc891ffeecf0c361f2370dd7d8d2c6347c8945c320c55b411a8dbf8f63f |
xlm-macro | oletools.olevba.extract_all_macros (XLM macro listing) | 7268 bytes |
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