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

Static analysis result for SHA-256 737668f5569e69d5…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2022-12-07
MD5: 587b90f5cf6b0776db453f4404022a98 SHA-1: 7a28e496d7fe980a9d91892a007edde59c2d802c SHA-256: 737668f5569e69d5570e2dc3b5a93098a16c5e72cb02d95915603bcc9ce829d7
142 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1059 Command and Scripting Interpreter

The sample exhibits high-severity heuristics for remote template injection and external relationships, pointing to a malicious external document. The ClamAV detection as 'Doc.Downloader.Redline-9972754-0' strongly suggests a downloader functionality. The embedded URLs are indicative of the initial stage of a multi-stage attack, likely to fetch and execute a secondary payload.

Heuristics 4

  • ClamAV: Doc.Downloader.Redline-9972754-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Redline-9972754-0
  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (http://weriireuiutertiuiutertiuiuiertiuerit@1755848840/_______0o0-_0_________00o0_______0oo_______o0o_/weriiuiuetirefdguiertiudfgiiu.doc) — 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 high OOXML_EXTERNAL_REL
    External target in word/_rels/webSettings.xml.rels: http://weriireuiutertiuiutertiuiuiertiuerit@1755848840/_______0o0-_0_________00o0_______0oo_______o0o_/weriiuiuetirefdgu
  • 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://weriireuiutertiuiutertiuiuiertiuerit@1755848840/_______0o0-_0_________00o0_______0oo_______o0o_/weriiuiuetirefdguiertiudfgiiu.doc
    • http://weriireuiutertiuiutertiuiuiertiuerit@1755848840/_______0o0-_0_________00o0_______0oo_______o0o_/weriiuiuetirefdgu
    • http://schemas.openxmlformats.org/markup-compatibility/2006
    • http://schemas.openxmlformats.org/officeDocument/2006/relationships
    • http://schemas.openxmlformats.org/officeDocument/2006/math
    • http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing
    • http://schemas.openxmlformats.org/wordprocessingml/2006/main
    • http://schemas.microsoft.com/office/word/2006/wordml

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