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

Static analysis result for SHA-256 b33509ed5c7c97e9…

MALICIOUS

Office (OOXML) / .XLSX

655.0 KB Created: 2010-06-04 08:55:28 UTC Authoring application: Microsoft Excel 15.0300 First seen: 2023-04-24
MD5: 75567dd86120977bd62ab9ebc92906c9 SHA-1: bb0fc0607eef28138906dfabdfe242f2133867ed SHA-256: b33509ed5c7c97e92392858b83fe208ff79632ae096444e9f81967cfbf2e4973
60 Risk Score

Malware Insights

MITRE ATT&CK
T1559.001 Component Object Model Hijacking

The sample is an Office document containing an embedded OLE object, specifically identified as an Equation Editor object. This type of object is frequently exploited to deliver malicious payloads. No scripts were extracted, and the document body content appears to be a product order, not directly indicative of malicious intent itself, but the presence of the exploit object is a strong indicator.

Heuristics 2

  • Equation Editor OLE object high CVE related OLE_EQUATION_EDITOR
    Embedded OLE object xl/embeddings/gF.rA6UdM 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
4afd3394bce488d4cab1e65a79fe963f2706a29179d18b161bf630086057212f		 ooxml-ole-object OOXML embedded OLE part: xl/embeddings/gF.rA6UdM 945664 bytes
ooxml_oleobject_00_ole10native_00.bin
3141965482143c3a2761c1937a396393c588085cf61aeb21bdb36916da184d96		 ole-package OOXML xl/embeddings/gF.rA6UdM Ole10Native stream: Ole10Native 935901 bytes

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