Redline — Office (OOXML) / .DOC malware analysis

Static analysis result for SHA-256 ebd57aec150e1181…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2022-11-12
MD5: 1eb546f2028e09bb7c67f2bf50ac9fa7 SHA-1: 2fb75be209fe59a7a661363a783264fbdc0ddf8a SHA-256: ebd57aec150e11814ad41d54be26b98366541deb34d62beeb3f05755a170ecaf
142 Risk Score

Malware Insights

Redline · confidence 95%

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

The sample exhibits critical ClamAV detection as 'Doc.Downloader.Redline-9972754-0', indicating it functions as a downloader. High-severity heuristics for OOXML remote template injection and external relationship point to the exploitation of a vulnerability via the embedded URL. This URL is likely used to fetch and execute a secondary malicious payload, consistent with the Redline family's typical behavior.

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://000000111100000200020200202000020@598930903/__________0000____________________000000_______________/_________000______.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://000000111100000200020200202000020@598930903/__________0000____________________000000_______________/_________000_
  • 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://000000111100000200020200202000020@598930903/__________0000____________________000000_______________/_________000______.doc
    • http://000000111100000200020200202000020@598930903/__________0000____________________000000_______________/_________000_
    • 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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