MALICIOUS
60
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic
The file is an Excel 4.0 macro sheet that is encrypted, indicating a deliberate attempt to obfuscate malicious content. The presence of an 'AUTOOPEN' macro suggests that the malicious code is intended to execute automatically upon opening the document. The encrypted nature and the use of XLM macros point towards a downloader or initial execution stage.
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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