Malicious Office (OOXML) — malware analysis report

Static analysis result for SHA-256 ba733e7e0a1591d7…

MALICIOUS

Office (OOXML)

187.4 KB Created: 2018-07-04 07:56:00 UTC Authoring application: Microsoft Office Word 16.0000 First seen: 2019-05-31
MD5: 2aabe3917edccc3cd5d4800f567c5d78 SHA-1: b32097a8df3a2c8ca5090aa26a2d3e6246c761b6 SHA-256: ba733e7e0a1591d72f24283050ca7240886d0cc2d9c7fb09ce56029b50d3fbf0
112 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The sample is an OOXML document containing an embedded OLE object, flagged as a likely CVE-2026-21514 exploitation attempt. This object contains indicators of a payload or remote link, specifically mentioning 'dll' extensions. The embedded URLs, such as https://mobility.hamad.qa/admin/Attachments/, suggest a potential download or redirection to a malicious resource. The document body's inclusion of INCLUDEPICTURE with a base64 encoded string is unusual and may be an attempt to disguise or embed further malicious content.

Heuristics 6

  • OOXML Ole10Native with payload/link indicators — possible CVE-2026-21514 high CVE likely CVE_2026_21514
    Office document contains embedded OLE (word/embeddings/oleObject1.bin) with Ole10Native plus executable, PE, or risky remote-link indicators. This is a likely CVE-2026-21514 exploitation shape.
  • Ole10Native package carries executable/script file type high OFFICE_PACKAGE_RISKY_FILE
    OLE Package displayName or fullPath ends in an executable or script-capable extension. Even without UI extension spoofing, embedding a runnable payload inside an Office document is a high-risk delivery pattern.
  • Embedded OLE object medium OOXML_OLE_OBJECT
    Document contains an embedded OLE object
  • External hyperlinks (3) low OOXML_EXTERNAL_HYPERLINKS
    Document contains 3 external hyperlinks — clickable URLs are stored as external relationships. First target: https://mobilestore.hamad.qa
  • Payload URL recovered from embedded OLE object (3 URLs) info OOXML_EMBEDDED_OBJECT_URL
    An embedded OLE object (xl/word/ppt embeddings) carries a next-stage download URL in its Ole10Native/Package stream — stored literally (incl. UTF-16) or base64-encoded — which the package-level URL sweep does not see. Surfaced as an IOC; self-validating (only real payload hosts).
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://mobilityservices.hamad.qa/Help In document text (OOXML body / shared strings)
    • https://mobilestore.hamad.qaDocument hyperlink
    • https://mobility.hamad.qa/admin/Attachments/In document text (OOXML body / shared strings)
    • http://bsonspec.orgIn document text (OOXML body / shared strings)
    • http://webapihelppageIn document text (OOXML body / shared strings)
    • http://www.mannai.com/Document hyperlink
    • http://schemas.microsoft.com/office/word/2010/wordprocessingCanvasIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/drawing/2014/chartexIn document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/markup-compatibility/2006In document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/officeDocument/2006/relationshipsIn document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/officeDocument/2006/mathIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordprocessingDrawingIn document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawingIn document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/wordprocessingml/2006/mainIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordmlIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2012/wordmlIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2015/wordml/symexIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordprocessingGroupIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordprocessingInkIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2006/wordmlIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordprocessingShapeIn document text (OOXML body / shared strings)
    • http://ns.adobe.com/xap/1.0/In document text (OOXML body / shared strings)
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In document text (OOXML body / shared strings)
    • http://ns.adobe.com/xap/1.0/mm/In document text (OOXML body / shared strings)
    • http://ns.adobe.com/xap/1.0/sType/ResourceRef#In document text (OOXML body / shared strings)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
ooxml_oleobject_00.bin ooxml-ole-object OOXML embedded OLE part: word/embeddings/oleObject1.bin 385024 bytes
SHA-256: b850e575bfef6a4c8f51dc347339ab01f62530e2edd87aaff4e58c1e350b74de
ooxml_oleobject_00_ole10native_00.bin ole-package OOXML word/embeddings/oleObject1.bin Ole10Native stream: Ole10Native 374192 bytes
SHA-256: be333fb7986b284c7e065a1cc607246940dd5efb0be811e506de246468e5ad1a
emf_00.emf ooxml-emf OOXML EMF part: word/media/image3.emf 5000 bytes
SHA-256: 64cb1ede7b8865fc49fb5069b37609e611000d1055734b26fbfe98b24afb1468