Malicious Office (OLE) / .EXE — malware analysis report

Static analysis result for SHA-256 15c3f3ace5326da6…

MALICIOUS

Office (OLE) / .EXE

52.0 KB Created: 1998-02-03 12:50:33 Authoring application: Microsoft Excel
MD5: 5b28c2fcefb9790792c0b58804b36227 SHA-1: 84df86be060bd5c21315069941532d28c5e42ff7 SHA-256: 15c3f3ace5326da60dd63a30e3bdb3e267bc8063f74ea55945b3d1238f012338
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The critical heuristic firing indicates the presence of the Excel 5 Laroux/Larou-CV macro-virus marker cluster. This family of malware is known for its ability to spread and infect other Excel documents, often through auto-execution macros like 'auto_open'. No specific IOCs were extracted, but the presence of these markers strongly suggests a macro-based infection attempt.

Heuristics 1

  • Excel 5 Laroux/Larou-CV macro-virus marker cluster critical OLE_XLS5_LAROUX_MACRO_VIRUS
    Legacy Excel workbook contains a Laroux/Larou-CV macro-virus marker cluster including auto_open execution and workbook/module replication strings. This is a narrow indicator for an infected legacy Excel macro workbook.

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