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

Static analysis result for SHA-256 960b694f3772c54c…

MALICIOUS

Office (OOXML) / .DOC

72.0 KB Created: 2022-06-14 17:58:00 UTC Authoring application: Microsoft Office Word 15.0000 First seen: 2022-08-02
MD5: b8b7ccdb453a031e231b3d0f1dd9cd05 SHA-1: 685f48b087f327b621728b78b366398ebc8510d1 SHA-256: 960b694f3772c54c85dc356dd13ffba619e2b729be8e7811d9caf3cd53bd12b4
82 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The sample exhibits characteristics of a malicious OOXML document, specifically remote template injection and the presence of an embedded OLE object. The heuristic firings strongly suggest that the document is designed to fetch and execute a payload from the external URL 'https://khaurl.com/YSSO8'. This indicates a likely attempt to download and run a second-stage malicious file.

Heuristics 4

  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (https://khaurl.com/YSSO8) — a common remote-template-injection vector used by Hancitor, Emotet and many phishing campaigns. Word can fetch and apply the remote template; macros in that template may execute depending on Office policy and trust state.
  • External relationship medium OOXML_EXTERNAL_REL
    External target in word/_rels/settings.xml.rels: https://khaurl.com/YSSO8
  • Embedded OLE object medium OOXML_OLE_OBJECT
    Document contains an embedded OLE object
  • 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://khaurl.com/YSSO8
    • http://schemas.microsoft.com/office/word/2010/wordprocessingCanvas
    • http://schemas.openxmlformats.org/markup-compatibility/2006
    • http://schemas.openxmlformats.org/officeDocument/2006/relationships
    • http://schemas.openxmlformats.org/officeDocument/2006/math
    • http://schemas.microsoft.com/office/word/2010/wordprocessingDrawing
    • http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing
    • http://schemas.openxmlformats.org/wordprocessingml/2006/main
    • http://schemas.microsoft.com/office/word/2010/wordml
    • http://schemas.microsoft.com/office/word/2012/wordml
    • http://schemas.microsoft.com/office/word/2010/wordprocessingGroup
    • http://schemas.microsoft.com/office/word/2010/wordprocessingInk
    • http://schemas.microsoft.com/office/word/2006/wordml
    • http://schemas.microsoft.com/office/word/2010/wordprocessingShape

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
ooxml_oleobject_00.bin
3eb6f3a04c31420c689c02bbf5ebe4b622eb5002998340842a97e70b41bdc37d		 ooxml-ole-object OOXML embedded OLE part: word/embeddings/Microsoft_Excel_Worksheet1.xlsx 31087 bytes
emf_00.emf
553ba4b398e93a053242a685a54fba75c1ad445ab128723bc6e84ef875c4fddd		 ooxml-emf OOXML EMF part: word/media/image1.emf 579088 bytes

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