Malicious Office (OOXML) — malware analysis report

Static analysis result for SHA-256 4e49a4e5968f47f2…

MALICIOUS

Office (OOXML)

7.6 KB Authoring application: 12.0000 First seen: 2021-10-24
MD5: 9ef875632fcaa479f523de43fa0c07d4 SHA-1: 601df45a5ca6e6baad74ee81c02fb865b300f89e SHA-256: 4e49a4e5968f47f2244c8202b06f1de53f7fbb33c65ca93e0714dac51ab5bd93
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The OOXML document contains heuristics indicating remote template injection and external relationships pointing to the URL https://goo-gl.ru.com/sV0. This suggests the document is designed to load content from this external source, likely to download and execute a malicious payload. The document body itself contains minimal content, providing no further clues to the specific lure.

Heuristics 3

  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (https://goo-gl.ru.com/sV0) — 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/webSettings.xml.rels: https://goo-gl.ru.com/sV0
  • 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 http://schemas.openxmlformats.org/markup-compatibility/2006 In 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.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/2006/wordmlIn document text (OOXML body / shared strings)
    • https://goo-gl.ru.com/sV0Remote template reference

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