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

Static analysis result for SHA-256 1408fdeb90a9d5f0…

MALICIOUS

Office (OLE) / .XLSX

88.5 KB Created: 2022-02-14 05:58:53 Authoring application: Microsoft Excel First seen: 2022-02-22
MD5: a286e652565dc7fdf8cf50da05fd19cc SHA-1: 373325d6d45b8119068c5d463681835286ea1cba SHA-256: 1408fdeb90a9d5f0e36854f625f411431e1f552f96b66432971b81356e5e3459
240 Risk Score

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet02220-9940037-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet02220-9940037-0
  • Reference to Windows Script Host high SC_STR_WSCRIPT
    Reference to Windows Script Host
  • Workbook_Open macro high OLE_VBA_WBOPEN
    Workbook_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXEC
    Compiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
  • 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
98ce64e756a4ee3d4f776c1541f7f3ad0f966d786db88eda74f9a833f3a74b83
vba-macro oletools.olevba.extract_macros (decoded VBA source) 11705 bytes