MALICIOUS
60
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic for Applications
The sample is an Excel 4.0 macro sheet that is encrypted, which is a common technique for obfuscating malicious content. The presence of an 'AUTOOPEN' macro further suggests that the sheet is designed to execute automatically upon opening. While no specific URLs or scripts were extracted, the encryption and macro sheet structure strongly indicate a malicious intent, likely for payload delivery.
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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