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

Static analysis result for SHA-256 bf0cb16508be199f…

MALICIOUS

Office (OLE) / .XLS

5.66 MB Created: 2008-08-27 13:16:27 Authoring application: Microsoft Excel
MD5: f7b8acb551cbecce3adb4ba5a450293f SHA-1: 6f09d30d3ac01b06c12a5c08d10403ac8f9d9d2f SHA-256: bf0cb16508be199f40aeb6fc148a850a155b10ba24594caf914073d145b2c7b6
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic for Applications

The file is an Excel spreadsheet containing VBA macros, specifically an Auto_Open macro, which is a common technique for executing malicious code upon opening. The macro prompts the user for input, suggesting a social engineering lure to extract sensitive information like client codes and passwords. While the full functionality is truncated, the presence of an Auto_Open macro and the input prompts indicate a likely credential harvesting or information-gathering attempt.

Heuristics 2

  • Auto_Open macro high OLE_VBA_AUTO
    Auto_Open macro
  • VBA macros detected medium OLE_VBA_MACROS
    Document contains VBA macro code

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
8c7cf74390553c280742ffd30690999c3a5f6a632bc9c2d09a97169ff142ba5e		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 6023 bytes

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