MALICIOUS
60
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic
The file is an encrypted Excel 4.0 macro sheet, which is a strong indicator of malicious activity. The presence of macro sheet BOF markers suggests that the macros are designed to execute automatically. Without further deobfuscation or script content, the exact payload and delivery mechanism remain unclear, but the intent is to execute code.
Heuristics 2
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Encrypted Excel 4.0 macro sheet high OLE_XLM_ENCRYPTED_MACROSHEETWorkbook contains an Excel 4.0 macro sheet and BIFF FILEPASS encryption. Password-protected XLM macro sheets, especially the default Excel password path, are a common malware evasion pattern because static formula extraction may fail until the workbook is decrypted.
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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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