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

Static analysis result for SHA-256 c60d35c27cf503d7…

MALICIOUS

Office (OOXML) / .XLSX

687.3 KB Created: 2010-06-04 08:55:28 UTC Authoring application: Microsoft Excel 15.0300 First seen: 2023-10-17
MD5: ffba4edebfeaa0dad2609e98fa29adb4 SHA-1: f0a99bde0969b3ee63d7b4903f4945d5e676bf2f SHA-256: c60d35c27cf503d74ff1075615973f5e53ba37b54668c6bd7ecff744960226f7
60 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1559 Component Object Model Hijacking T1559.001 Component Object Model Hijacking: Component Object Model Hijacking

The file contains an embedded OLE object, specifically identified as an Equation Editor object. This strongly suggests exploitation of a known vulnerability within the Equation Editor component to execute arbitrary code. The embedded object is likely a secondary payload or exploit.

Heuristics 2

  • Equation Editor OLE object high CVE related OLE_EQUATION_EDITOR
    Embedded OLE object xl/embeddings/aQH.zTZPRm 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
6d4a561c2c3ff160b68f3c26eb82d4b2fae7d4daeabdf063801289efe34ee4c4		 ooxml-ole-object OOXML embedded OLE part: xl/embeddings/aQH.zTZPRm 921600 bytes
ooxml_oleobject_00_ole10native_00.bin
6d2e8a1ad8d08610ff415a56bc6a9d8e3ed6a12c6e001ed9a9f2b4953d29e39f		 ole-package OOXML xl/embeddings/aQH.zTZPRm Ole10Native stream: oLE10NATIve 911681 bytes

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