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

Static analysis result for SHA-256 b95a8f60a0db34e7…

MALICIOUS

Office (OOXML) / .XLSX

620.8 KB Created: 2022-08-10 18:51:50 UTC Authoring application: Microsoft Excel 16.0300
MD5: ce37f3ed03a2664795b50ad1966b81e8 SHA-1: 34636b9da429754b4c21cae7c78688e4a79040d1 SHA-256: b95a8f60a0db34e77e88eee9fc34f2f057f31f9eb1bc66fa292cbe7e5e697428
60 Risk Score

Malware Insights

MITRE ATT&CK
T1559.001 Component Object Model Hijacking

The file is an Excel spreadsheet containing an embedded OLE object identified as an Equation Editor. This is a common technique used to exploit vulnerabilities in the Equation Editor component to execute arbitrary code. The document body appears to be a purchase order, likely a lure to entice the user to open and interact with the malicious embedded object.

Heuristics 2

  • Equation Editor OLE object high CVE related OLE_EQUATION_EDITOR
    Embedded OLE object xl/embeddings/wNW.W80EA3 contains the Equation Editor CLSID, the legacy component exploited by CVE-2017-11882, CVE-2018-0802, and CVE-2018-0798.
  • Embedded OLE object medium OOXML_OLE_OBJECT
    Document contains an embedded OLE object

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
ooxml_oleobject_00.bin
8123e24d17497181c6630a809ebf49ef13c35105af66e18663780e4a7296a4bc		 ooxml-ole-object OOXML embedded OLE part: xl/embeddings/wNW.W80EA3 840192 bytes
ooxml_oleobject_00_ole10native_00.bin
da9155b304d3ef1887b28971d1c2edee7e5a0d29c807b355d3083054bbad3b1c		 ole-package OOXML xl/embeddings/wNW.W80EA3 Ole10Native stream: OlE10nAtIVe 831415 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.