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

Static analysis result for SHA-256 785bd6275f0ffb9a…

MALICIOUS

Office (OOXML) / .XLSX

115.1 KB Created: 2015-06-05 18:17:20 UTC Authoring application: Microsoft Excel 12.0000
MD5: bc28aab704c4018631d554f6075358dd SHA-1: 46363395b19f9c2159d39c4aac46218f3f1c3ab7 SHA-256: 785bd6275f0ffb9a84b0e2da9e14704df74816f3374242ff60092b598c9fcacc
200 Risk Score

Heuristics 5

  • ClamAV: Xls.Downloader.EmotetExcel02223-9938902-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Xls.Downloader.EmotetExcel02223-9938902-0
  • 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 project inside OOXML medium OOXML_VBA
    Document contains a VBA project — VBA macros present

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
df1eb14c222394595c0518b49eec2b55ed9573146c5f1717dedceddd2e199a2b		 vba-macro oletools.olevba.extract_macros (decoded VBA source from OOXML) 12041 bytes
vbaProject_00.bin
4a102dcc77c22292f4122c21385b7aaf65dce5fb76ae74ed6ac17550ed359fed		 vba-project OOXML VBA project: xl/vbaProject.bin 42496 bytes

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