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

Static analysis result for SHA-256 95bdd287d74f166a…

MALICIOUS

Office (OOXML) / .XLSX

676.8 KB Created: 2024-06-12 09:57:11 UTC Authoring application: Microsoft Excel 12.0000
MD5: c9fc475c044a90a6ac1fd33eeb294e97 SHA-1: d545fcda75e13c42462b8f9d742cb342e3ad1a64 SHA-256: 95bdd287d74f166ae2359be65e0886b91224bbc4c9ce67f8c476baff34269634
60 Risk Score

Malware Insights

MITRE ATT&CK
T1559.001 Component Object Model Hijacking

The sample is an Excel file containing an embedded OLE object identified as an Equation Editor. This is a high-severity finding and a common technique for exploiting vulnerabilities like CVE-2017-11882 to deliver malicious payloads. The presence of this object strongly suggests an attempt to leverage an Equation Editor vulnerability.

Heuristics 2

  • Equation Editor OLE object high CVE related OLE_EQUATION_EDITOR
    Embedded OLE object xl/embeddings/MQ.2w5WMQ 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
1e98171dded53a1c4863dd5f1f9b95bd93485877819c983d43aeb7d8cdee9397		 ooxml-ole-object OOXML embedded OLE part: xl/embeddings/MQ.2w5WMQ 917504 bytes
ooxml_oleobject_00_ole10native_00.bin
8e32acbbd1f00894db43be692915122b310d38689ee52d955f4f5f4cf021824b		 ole-package OOXML xl/embeddings/MQ.2w5WMQ Ole10Native stream: ole10nAtIVE 907944 bytes

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