Office (OOXML) / .XLSX malware analysis — malicious · 93be00f2c6550c2d

MALICIOUS

Office (OOXML) / .XLSX

2.37 MB Created: 2025-09-04 00:14:20 UTC Authoring application: Microsoft Excel 12.0000

MD5: 8252ad10fc9fe1d88e86354ddb14cd24 SHA-1: 3f748d6e3524c681c44d97de476db83756c51b24 SHA-256: 93be00f2c6550c2d4a19113f9e4cb0365434f87018b9f00abc7e92bfec581741

80 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious Link: Malicious File

The file is an Excel spreadsheet containing an embedded OLE object, specifically identified as an Equation Editor object. The presence of a 'Macro/content-enable lure' heuristic indicates the document likely prompts the user to enable macros or content, a common technique for malware delivery. This suggests the embedded OLE object is intended to be malicious, potentially exploiting vulnerabilities or delivering a secondary payload.

Heuristics 3

Equation Editor OLE object high CVE related OLE_EQUATION_EDITOR

Embedded OLE object xl/embeddings/AW.6mKC 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
Macro/content-enable lure medium SE_ENABLE_LURE

Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`ooxml_oleobject_00.bin` `d1fe32fcd68488d2d4c1b2f2767a0d2ea67d9c79ad1ea747a7a1053e133fce4f`	ooxml-ole-object	OOXML embedded OLE part: xl/embeddings/AW.6mKC	2945536 bytes

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